Asus P8B-C/4L Manual

Asus Server P8B-C/4L

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Motherboard

P8B-C

series

E6852

Second Edition V2

September 2011

No part of this manual, including the products and software described in it, may be reproduced, transmitted,

transcribed, stored in a retrieval system, or translated into any language in any form or by any means,

except documentation kept by the purchaser for backup purposes, without the express written permission

of ASUSTeK COMPUTER INC. (“ASUS”).

Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless

such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the

product is defaced or missing.

ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS

OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS

DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,

INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,

LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),

EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY

DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.

SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR

INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND

SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY

OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL,

INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.

Products and corporate names appearing in this manual may or may not be registered trademarks or

copyrights of their respective companies, and are used only for identication or explanation and to the

owners’ benet, without intent to infringe.

iii

Contents

Notices ........................................................................................................ vii

Safety information .................................................................................... viii

About this guide ......................................................................................... ix

P8B-C series specications summary ...................................................... xi

Chapter 1: Product introduction

1.1 Welcome! ...................................................................................... 1-3

1.2 Package contents ......................................................................... 1-3

1.3 Serial number label ...................................................................... 1-4

1.4 Special features ............................................................................ 1-4

1.4.1 Product highlights ........................................................... 1-4

1.4.2 Innovative ASUS features ............................................... 1-6

Chapter 2: Hardware information

2.1 Before you proceed ..................................................................... 2-3

2.2 Motherboard overview ................................................................. 2-4

2.2.1 Placement direction ........................................................ 2-4

2.2.2 Screw holes .................................................................... 2-4

2.2.3 Motherboard layout ......................................................... 2-5

2.2.4 Layout contents ..............................................................2-11

2.3 Central Processing Unit (CPU) ................................................. 2-13

2.3.1 Installing the CPU ......................................................... 2-13

2.3.2 Installing the CPU heatsink and fan .............................. 2-16

2.3.3 Uninstalling the CPU heatsink and fan ......................... 2-17

2.3.4 Installing the CPU heatsink in rack ............................... 2-18

2.4 System memory ......................................................................... 2-19

2.4.1 Overview ....................................................................... 2-19

2.4.2 Memory Congurations ................................................. 2-19

2.4.3 Installing a DIMM .......................................................... 2-20

2.4.4 Removing a DIMM ........................................................ 2-20

2.5 Expansion slots .......................................................................... 2-21

2.5.1 Installing an expansion card ......................................... 2-21

2.5.2 Conguring an expansion card ..................................... 2-21

2.5.3 Interrupt assignments ................................................... 2-22

2.5.4 PCI Express x8 slot (x4 link) ......................................... 2-22

2.5.5 PCI Express x16 slot (x16 link) ..................................... 2-22

Contents

2.5.6 PCI slots ........................................................................ 2-22

2.5.7 Connecting the thermal sensor cable ........................... 2-24

2.6 Jumpers ...................................................................................... 2-25

2.7 Connectors ................................................................................. 2-32

2.7.1 Rear panel connectors .................................................. 2-32

2.7.2 Internal connectors ....................................................... 2-33

Chapter 3: Powering up

3.1 Starting up for the rst time ........................................................ 3-3

3.2 Powering off the computer .......................................................... 3-4

3.2.1 Using the OS shut down function .................................... 3-4

3.2.2 Using the dual function power switch .............................. 3-4

Chapter 4: BIOS setup

4.1 Managing and updating your BIOS ............................................ 4-3

4.1.1 ASUS CrashFree BIOS 3 utility ...................................... 4-3

4.1.2 ASUS EZ Flash Utility ..................................................... 4-4

4.1.3 BUPDATER utility............................................................ 4-5

4.2 BIOS setup program .................................................................... 4-7

4.2.1 BIOS menu screen .......................................................... 4-8

4.2.2 Menu bar ......................................................................... 4-8

4.2.3 Menu items ..................................................................... 4-9

4.2.4 Submenu items ............................................................... 4-9

4.2.5 Navigation keys ............................................................... 4-9

4.2.6 General help ................................................................... 4-9

4.2.7 Conguration elds ......................................................... 4-9

4.2.8 Pop-up window ............................................................... 4-9

4.2.9 Scroll bar ......................................................................... 4-9

4.3 Main menu .................................................................................. 4-10

4.3.1 System Date ................................................................. 4-10

4.3.2 System Time ................................................................. 4-10

4.3.3 Security ......................................................................... 4-10

4.4 Event Logs menu ....................................................................... 4-12

4.5 Advanced menu ......................................................................... 4-14

4.5.1 ACPI Settings ................................................................ 4-14

4.5.2 Trusted Computing ........................................................ 4-15

Contents

4.5.3 WHEA Conguration ..................................................... 4-15

4.5.4 CPU Conguration ........................................................ 4-16

4.5.5 North Bridge .................................................................. 4-18

4.5.6 South Bridge ................................................................. 4-18

4.5.7 SATA Conguration ....................................................... 4-19

4.5.8 Intel TXT(LT) Conguration ........................................... 4-20

4.5.9 USB Conguration ........................................................ 4-20

4.5.10 Onboard Devices Conguration .................................... 4-21

4.5.11 APM .............................................................................. 4-23

4.5.12 Serial Port Console Redirection .................................... 4-24

4.6 Monitor menu ............................................................................. 4-26

4.7 Boot menu .................................................................................. 4-27

4.8 Tool menu ................................................................................... 4-29

4.9 Exit menu .................................................................................... 4-29

Chapter 5: RAID conguration

5.1 Setting up RAID ............................................................................ 5-3

5.1.1 RAID denitions .............................................................. 5-3

5.1.2 Installing hard disk drives ................................................ 5-4

5.1.3 Setting the RAID item in BIOS ........................................ 5-4

5.1.4 RAID conguration utilities .............................................. 5-4

5.2 LSI Software RAID Conguration Utility (P8B-C/4L only) ........ 5-5

5.2.1 Creating a RAID set ........................................................ 5-6

5.2.2 Adding or viewing a RAID conguration ....................... 5-12

5.2.3 Initializing the virtual drives ........................................... 5-13

5.2.4 Rebuilding failed drives ................................................. 5-17

5.2.5 Checking the drives for data consistency ..................... 5-19

5.2.6 Deleting a RAID conguration ....................................... 5-22

5.2.7 Selecting the boot drive from a RAID set ...................... 5-23

5.2.8 Enabling WriteCache .................................................... 5-24

5.3 Intel® Rapid Storage Technology Option ROM Utility ............. 5-25

5.3.1 Creating a RAID set ...................................................... 5-26

5.3.2 Creating a Recovery set ............................................... 5-27

5.3.3 Deleting a RAID set ...................................................... 5-29

5.3.4 Resetting disks to Non-RAID ........................................ 5-30

Contents

5.3.5 Recovery Volume Options ............................................ 5-31

5.3.6 Exiting the Intel® Rapid Storage Technology utility ........ 5-32

5.3.7 Rebuilding the RAID ..................................................... 5-32

5.3.8 Setting the Boot array in the BIOS Setup Utility ............ 5-34

5.4 LSI Corporation MPT Setup Utility

(P8B-C/SAS/2L, P8B-C/SAS/4L only) ........................................ 5-35

5.4.1 RAID 1 volume .............................................................. 5-36

5.4.2 RAID 1E/10 volume ...................................................... 5-39

5.4.3 RAID 0 volume .............................................................. 5-41

5.4.4 Managing Arrays ........................................................... 5-43

5.4.5 Viewing SAS topology ................................................... 5-50

5.4.6 Global Properties .......................................................... 5-51

Chapter 6: Driver installation

6.1 RAID driver installation ............................................................... 6-3

6.1.1 Creating a RAID driver disk ............................................ 6-3

6.1.2 Installing the RAID controller driver ................................ 6-6

6.2 Intel® chipset device software installation ............................... 6-13

6.3 LAN driver installation ............................................................... 6-15

6.4 VGA driver installation............................................................... 6-18

6.4.1 XGI Volari Z9s VGA Driver (R1.0x) ............................... 6-18

6.4.2 ASPEED AST1100 VGA Driver (R2.0x) ........................ 6-20

6.5 Management applications and utilities installation ................ 6-22

6.5.1 Running the support DVD ............................................. 6-22

6.5.2 Drivers menu ................................................................. 6-22

6.5.3 Utilities menu ................................................................ 6-23

6.5.4 Make disk menu ............................................................ 6-23

6.5.5 Contact information ....................................................... 6-23

Appendix: Reference information

A.1 P8B-C series block diagram ........................................................A-3

vii

Notices

Federal Communications Commission Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to the

following two conditions:

• This device may not cause harmful interference, and

• This device must accept any interference received including interference that

may cause undesired operation.

This equipment has been tested and found to comply with the limits for a Class

B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed

to provide reasonable protection against harmful interference in a residential

installation. This equipment generates, uses and can radiate radio frequency energy

and, if not installed and used in accordance with manufacturer’s instructions, may

cause harmful interference to radio communications. However, there is no guarantee

that interference will not occur in a particular installation. If this equipment does

cause harmful interference to radio or television reception, which can be determined

by turning the equipment off and on, the user is encouraged to try to correct the

interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment to an outlet on a circuit different from that to which the

receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

Canadian Department of Communications Statement

This digital apparatus does not exceed the Class B limits for radio noise emissions

from digital apparatus set out in the Radio Interference Regulations of the

Canadian Department of Communications.

This class B digital apparatus complies with Canadian ICES-003.

The use of shielded cables for connection of the monitor to the graphics card is

required to assure compliance with FCC regulations. Changes or modications

to this unit not expressly approved by the party responsible for compliance could

void the user’s authority to operate this equipment.

REACH

Complying with the REACH (Registration, Evaluation, Authorization, and Restriction

of Chemicals) regulatory framework, we publish the chemical substances in our

products at ASUS REACH website at http://csr.asus.com/english/REACH.htm.

viii

Safety information

Electrical safety

• To prevent electrical shock hazard, disconnect the power cable from the

electrical outlet before relocating the system.

• When adding or removing devices to or from the system, ensure that the

power cables for the devices are unplugged before the signal cables are

connected. If possible, disconnect all power cables from the existing system

before you add a device.

• Before connecting or removing signal cables from the motherboard, ensure

that all power cables are unplugged.

• Seek professional assistance before using an adapter or extension cord.

These devices could interrupt the grounding circuit.

• Make sure that your power supply is set to the correct voltage in your area.

If you are not sure about the voltage of the electrical outlet you are using,

contact your local power company.

• If the power supply is broken, do not try to x it by yourself. Contact a

qualied service technician or your retailer.

Operation safety

• Before installing the motherboard and adding devices on it, carefully read all

the manuals that came with the package.

• Before using the product, make sure all cables are correctly connected and the

power cables are not damaged. If you detect any damage, contact your dealer

immediately.

• To avoid short circuits, keep paper clips, screws, and staples away from

connectors, slots, sockets and circuitry.

• Avoid dust, humidity, and temperature extremes. Do not place the product in

any area where it may become wet.

• Place the product on a stable surface.

• If you encounter technical problems with the product, contact a qualied

service technician or your retailer.

DO NOT throw the motherboard in municipal waste. This product has been

designed to enable proper reuse of parts and recycling. This symbol of the

crossed out wheeled bin indicates that the product (electrical and electronic

equipment) should not be placed in municipal waste. Check local regulations for

disposal of electronic products.

DO NOT throw the mercury-containing button cell battery in municipal waste.

This symbol of the crossed out wheeled bin indicates that the battery should not

be placed in municipal waste.

About this guide

This user guide contains the information you need when installing and conguring

the motherboard.

How this guide is organized

This user guide contains the following parts:

• Chapter 1: Product introduction

This chapter describes the features of the motherboard and the new

technologies it supports.

• Chapter 2: Hardware information

This chapter lists the hardware setup procedures that you have to perform

when installing system components. It includes description of the switches,

jumpers, and connectors on the motherboard.

• Chapter 3: Powering up

This chapter describes the power up sequence and ways of shutting down

the system.

• Chapter 4: BIOS setup

This chapter tells how to change system settings through the BIOS Setup

menus. Detailed descriptions of the BIOS parameters are also provided.

• Chapter 5: RAID conguration

This chapter provides instructions for setting up, creating, and conguring

RAID sets using the available utilities.

• Chapter 6: Driver installation

This chapter provides instructions for installing the necessary drivers for

different system components.

• Appendix: Reference information

This appendix includes additional information that you may refer to when

conguring the motherboard.

Where to nd more information

Refer to the following sources for additional information and for product and

software updates.

1. ASUS websites

The ASUS website provides updated information on ASUS hardware and

software products. Refer to the ASUS contact information.

2. Optional documentation

Your product package may include optional documentation, such as warranty

yers, that may have been added by your dealer. These documents are not

part of the standard package.

Conventions used in this guide

To make sure that you perform certain tasks properly, take note of the following

symbols used throughout this manual.

Typography

Bold text Indicates a menu or an item to select.

Italics Used to emphasize a word or a phrase.

<Key> Keys enclosed in the less-than and greater-

than sign means that you must press the

enclosed key.

Example: <Enter> means that you must press

the Enter or Return key.

<Key1+Key2+Key3> If you must press two or more keys

simultaneously, the key names are linked with

a plus sign (+).

Example: <Ctrl+Alt+Del>

Command Means that you must type the command

exactly as shown, then supply the required

item or value enclosed in brackets.

Example: At the DOS prompt, type the

command line: format A:/S

DANGER/WARNING: Information to prevent injury to yourself

when trying to complete a task.

CAUTION: Information to prevent damage to the components

when trying to complete a task.

NOTE: Tips and additional information to help you complete a

task.

IMPORTANT: Instructions that you MUST follow to complete a

task.

P8B-C series specications summary

Model Name P8B-C/4L P8B-C/SAS/2L* P8B-C/SAS/4L

Processor Support / System Bus 1 x Socket LGA1155

Intel® Xeon® E3-1200 Processor Family

Intel® Core™ i3-2100 Processor Family

Core Logic Intel® C202 Chipset Intel® C204 Chipset

Form Factor ATX, 12” x 9.6”

ASUS Features Fan Speed Control V

Rack Ready (Rack

and Pedestal dual

use)

ASWM Enterprise V

Memory Total Slots 4 (2 Channels)

Capacity Maximum up to 32GB

Memory Type DDR3 1066/1333 ECC UDIMM

Expansion Slots

(follow SSI

Location #)

Total PCI/PCI-X/

PCI-E Slots

Slot Location 1 1 x PCI 32bit/33 MHz

Slot Location 2 1 x PCI 32bit/33 MHz

Slot Location 3 1 x PCI 32bit/33 MHz

Slot Location 4 1 x PCI 32bit/33 MHz

Slot Location 5 1 x PCI 32bit/33 MHz

Slot Location 6 1 x PCI-E p11-x16 (Gen 2 p11-x16 link)

Slot Location 7 1 x PCI-E p11-x8 (Gen2 p11-x4 link)

Storage SATA Controller Intel

® C202:

- 6 x SATA 3Gb/s ports

- Intel® Rapid Storage

Technology (RST)

supports software

RAID 0, 1, 10 & 5

(Windows)

- LSI MegaRAID driver

supports software

RAID 0, 1 & 10

(Windows & Linux)

Intel® C204:

- 2 x SATA 6Gb/s ports

- 4 x SATA 3Gb/s ports

- Intel® Rapid Storage

Technology (RST) supports

software RAID 0, 1, 10 & 5

(Windows)

SAS Controller — LSI 2008 8-port SAS controller

with RAID 0, 1, 1E & 10 support

Networking LAN 4 x Intel 82574L 2 x Intel

82574L

4 x Intel

82574L

Graphic VGA XGI®

Z9s + 64MB VRAM (R1.0x)

ASPEED® AST1100 + 64MB VRAM (R2.0x)

Onboard I/O

Connectors

TPM Header 1

PSU Connector 24-pin ATX power connector + 8-pin ATX 12V power

connector

USB Connectors 1 x USB connector (Type A USB socket)

2 x USB pin header (up to 4 devices)

Fan Header 5 x 4pin

Chassis Intruder 1

Serial Port Header 2

(continued on the next page)

xii

P8B-C series specications summary

* P8B-C/SAS/2L may not be available in all markets.

**Specications are subject to change without notice.

Model Name P8B-C/4L P8B-C/SAS/2L* P8B-C/SAS/4L

Rear I/O

Connectors

External USB Port 2

VGA Port 1

RJ-45 4 2 4

PS/2 KB/Mouse 1

Monitoring CPU Temperature V

FAN RPM V

Environment Operation temperature: 10℃ – 35℃

Non operation temperature: -40℃ – 70℃

Non operation humidity: 20% – 90%

(Non condensing)

Product

introduction

This chapter describes the motherboard

features and the new technologies it supports.

ASUS P8B-C series

Chapter summary

1.1 Welcome! ...................................................................................... 1-3

1.2 Package contents ......................................................................... 1-3

1.3 Serial number label ...................................................................... 1-4

1.4 Special features ............................................................................ 1-4

1-4 Chapter 1: Product introduction

1.4 Special features

1.4.1 Product highlights

Latest processor technology

This motherboard supports the latest Intel

® Xeon® E3-1200/Core™ i3-2100

processors in LGA1155 package, which has memory and PCI Express controller

integrated to support 2-channel (4 DIMMs) DDR3 memory and 20 PCI Express 2.0

lanes, providing great graphics performance. Intel

® Xeon® E3-1200/Core™ i3-2100

processor is one of the most powerful and energy efcient CPU in the world.

Intel® Dynamic Turbo Boost Technology

Intel® Dynamic Turbo Boost Technology opportunistically and automatically

allows the processor to run faster than the marked frequency if the processor is

operating below power, temperature and current limits. This technology increases

performance of both multi-threaded and single-threaded workloads.

Intel Hyper Threading

The thread-level parallelism on each processor makes more efcient use of the

processor resources, higher processing throughout and improved performance on

today's multi-threaded software.

Intel® EM64T

The motherboard supports Intel® processors with the Intel® EM64T (Extended

Memory 64 Technology). The Intel® EM64T feature allows your computer to run on

64-bit operating systems and access larger amounts of system memory for faster

and more efcient computing.

1.3 Serial number label

Before requesting support from the ASUS Technical Support team, you must take

note of the motherboard's serial number containing 12 characters

xxS2xxxxxxxx

shown as the gure below. With the correct serial number of the product, ASUS

Technical Support team members can then offer a quicker and satisfying solution

to your problems.

xxS2xxxxxxxx

P8B-C series Made

China

合格

ASUS P8B-C series 1-5

DDR3 memory support

The P8B-C series supports UDIMM, ECC DDR3 memory that features data

transfer rates of 1333/1066 MHZ to meet the higher bandwidth requirements of

server and workstation applications. The 2-channel DDR3 architecture boosts

system performance, eliminating bottlenecks with peak bandwidth of up to 21GB/s.

Furthermore, the supply voltage for the memory is reduced from 1.8 V for DDR2 to

just 1.5V for DDR3. This voltage reduction limits the power consumption and heat

generation of DDR3 which makes it an ideal memory solution.

PCIe 2.0

This motherboard supports the latest PCIe 2.0 device for twice the current speed

and bandwidth. This enhances system performance while still providing backward

compatibility to PCIe 1.0 devices.

Intel® 82574L LAN Solution

The motherboard comes with dual / quad Gigabit LAN controllers and ports which

provide a total solution for your networking needs. The onboard Intel

® 82574L

Gigabit LAN controllers use the PCI Express interface and could achieve network

throughput close to Gigabit bandwidth.

Enhanced Intel SpeedStep Technology (EIST)

The Enhanced Intel SpeedStep Technology (EIST) intelligently manages the

CPU resources by automatically adjusting the CPU voltage and core frequency

depending on the CPU loading and system speed or power requirement.

Serial ATA II technology

The motherboard supports the Serial ATA II 3 Gb/s technology through the Serial

ATA interface and Intel

® C202 / C204 chipset. The Serial ATA II specication

provides twice the bandwidth of the current Serial ATA products with a host of new

features, including Native Command Queuing (NCQ), Power Management (PM)

Implementation Algorithm, and Hot Swap. Serial ATA allows thinner, more exible

cables with lower pin count and reduced voltage requirements.

Serial ATA III technology

The motherboard supports the Serial ATA III technology through the Serial ATA

interface and Intel® C204 chipset, delivering up to 6Gb/s data transfer rates.

Additionally, get enhanced scalability, faster data retrieval, double the bandwidth of

current bus systems.

USB 2.0 technology

The motherboard implements the Universal Serial Bus (USB) 2.0 specication,

dramatically increasing the connection speed from the 12 Mbps bandwidth on USB

1.1 to a fast 480 Mbps on USB 2.0. USB 2.0 is backward compatible with USB 1.1.

1-6 Chapter 1: Product introduction

Temperature, fan, and voltage monitoring

The CPU temperature is monitored to prevent overheating and damage. The

system fan rotations per minute (RPM) is monitored for timely failure detection.

The chip monitors the voltage levels to ensure stable supply of current for critical

components.

1.4.2 Innovative ASUS features

ASUS Fan Speed technology

The ASUS Fan Speed technology smartly adjusts the fan speeds according to the

system loading to ensure quiet, cool, and efcient operation.

Chapter 2: Hardware

information

This chapter lists the hardware setup

procedures that you have to perform

when installing system components. It

includes description of the jumpers and

connectors on the motherboard.

ASUS P8B-C series

Chapter summary

2.1 Before you proceed ..................................................................... 2-3

2.2 Motherboard overview ................................................................. 2-4

2.3 Central Processing Unit (CPU) ................................................. 2-13

2.4 System memory ......................................................................... 2-19

2.5 Expansion slots .......................................................................... 2-21

2.6 Jumpers ...................................................................................... 2-25

2.7 Connectors ................................................................................. 2-32

ASUS P8B-C series 2-3

2.1 Before you proceed

Take note of the following precautions before you install motherboard components or change

any motherboard settings.

• Unplug the power cord from the wall socket before touching any

component.

• Use a grounded wrist strap or touch a safely grounded object or a metal

object, such as the power supply case, before handling components to

avoid damaging them due to static electricity.

• Hold components by the edges to avoid touching the ICs on them.

• Whenever you uninstall any component, place it on a grounded antistatic

pad or in the bag that came with the component.

• Before you install or remove any component, ensure that the power supply

is switched off or the power cord is detached from the power supply. Failure

to do so may cause severe damage to the motherboard, peripherals, and/or

components.

Standby Power LED (SB_PWR1)

The motherboard comes with a standby power LED. The green LED lights up

to indicate that the system is ON, in sleep mode, or in soft-off mode. This is a

reminder that you should shut down the system and unplug the power cable before

removing or plugging in any motherboard component. The illustration below shows

the location of the onboard LED.

2-4 Chapter 2: Hardware information

2.2 Motherboard overview

Before you install the motherboard, study the conguration of your chassis to

ensure that the motherboard ts into it.

To optimize the motherboard features, we highly recommend that you install it in an

ATX 1.1 compliant chassis.

2.2.1 Placement direction

When installing the motherboard, ensure that you place it into the chassis in the

correct orientation. The edge with external ports goes to the rear part of the chassis

as indicated in the image below.

2.2.2 Screw holes

Place nine (9) screws into the holes indicated by circles to secure the motherboard

to the chassis.

DO NOT overtighten the screws! Doing so can damage the motherboard.

Ensure to unplug the chassis power cord before installing or removing the

motherboard. Failure to do so can cause you physical injury and damage

motherboard components!

Place this side towards

the rear of the chassis

ASUS P8B-C series 2-5

2.2.3 Motherboard layout

P8B-C/4L (R1.0x)

2-6 Chapter 2: Hardware information

P8B-C/4L (R2.0x)

ASUS P8B-C series 2-7

P8B-C/SAS/2L (R1.0x)

2-8 Chapter 2: Hardware information

P8B-C/SAS/2L (R2.0x)

ASUS P8B-C series 2-9

P8B-C/SAS/4L (R1.0x)

2-10 Chapter 2: Hardware information

P8B-C/SAS/4L (R2.0x)

ASUS P8B-C series 2-11

2.2.4 Layout contents

Slots/Soocket Page

1. CPU sockets 2-13

2. DDR3 sockets 2-19

3. PCI Express p29-x8 / PCI Express x16 / PCI slots 2-22

Jumpers Page

1. Clear RTC RAM (CLRTC1) 2-25

2. VGA controller setting (3-pin VGA_SW1) 2-26

3. CPU Fan and Chassis Fan control setting

(3-pin CPUFAN_SEL1, CHAFAN_SEL1) 2-27

4. LAN controller setting

(3-pin LAN_SW1–2,

P8B-C/SAS/2L only

)

3-pin LAN_SW1–4,

P8B-C/4L, P8B-C/SAS/4L only

)

2-28

5. RAID conguration utility selection

(3-pin RAID_SEL1,

P8B-C/4L only

)2-28

6. Force BIOS recovery setting (3-pin RECOVERY1; R1.0x only) 2-29

7. Chassis intrusion connector (2-pin CHASSIS) 2-30

8. ME rmware force recovery setting (3-pin ME_RECOVERY1) 2-30

9. SAS switch setting

(3-pin SAS_SW1,

P8B-C/SAS/2L, P8B-C/SAS/4L only

)2-31

Rear panel connectors Page

1. PS/2 mouse port (green) 2-32

2. PS/2 keyboard port (purple) 2-32

3. USB 2.0 ports 1 and 2 2-32

4. Video Graphics Adapter port 2-32

5. LAN 1 (RJ-45) port 2-32

6. LAN 2 (RJ-45) port 2-32

7. LAN 3 (RJ-45) port (

P8B-C/4L, P8B-C/SAS/4L only

) 2-32

8. LAN 4 (RJ-45) port (

P8B-C/4L, P8B-C/SAS/4L only

) 2-32

2-12 Chapter 2: Hardware information

Internal connectors Page

1. Serial ATA connectors

P8B-C/4L

(SATA 3Gb/s: 7-pin SATA1–6 [Black])

P8B-C/SAS/2L, P8B-C/SAS/4L

(SATA 6Gb/s: 7-pin SATA1–2 [Blue])

(SATA 3Gb/s: 7-pin SATA3–6 [Black])

2-33

2. SAS connectors (7-pin SAS1–4 [Blue]; 7-pin SAS5–8 [Black];

P8B-C/SAS/2L, P8B-C/SAS/4L only

)2-34

3. Hard disk activity LED connector (4-pin HDLED1) 2-34

4. USB connectors (10-1 pin USB34, USB56; A-Type USB7) 2-35

5. Parallel port connector (26-1 pin LPT1) 2-35

6. CPU, front and rear fan connectors

(4-pin CPU_FAN1, FRNT_FAN1–3, REAR_FAN1) 2-36

7. Serial General Purpose Input/Output connector

(6-1 pin SGPIO1) 2-37

8. Serial General Purpose Input/Output connector

(8-1 pin SGPIO2/3,

P8B-C/SAS/2L, P8B-C/SAS/4L only

)2-37

9. Thermal sensor cable connectors (3-pin TR1) 2-38

10. Serial port connectors (10-1 pin COM1/COM2) 2-38

11. TPM connector (20-1-pin TPM) 2-39

12. LAN34 LED connector

(5-1 pin LAN34_LED1,

P8B-C/4L, P8B-C/SAS/4L only

)2-39

13. ATX power connectors (24-pin ATXPWR1, 8-pin ATX12V1) 2-40

14. System panel connector (20-1 pin PANEL1) 2-41

15. Auxiliary panel connector (20-2 pin AUX_PANEL1) 2-42

2-14 Chapter 2: Hardware information

3. Lift the load lever in the direction

of the arrow until the load plate is

completely lifted.

The CPU ts in only one correct

orientation. DO NOT force the

CPU into the socket to prevent

bending the connectors on the

socket and damaging the CPU!

Load plate

Gold

triangle

mark

Alignment keys

CPU notches

5. Position the CPU over the socket,

ensuring that the gold triangle is on

the bottom-left corner of the socket,

and then t the socket alignment

keys into the CPU notches.

4. Remove the PnP cap from the CPU

socket by lifting the tab only.

PnP cap

Cap tab

2-16 Chapter 2: Hardware information

2.3.2 Installing the CPU heatsink and fan

The Intel® LGA1155 processor requires a specially designed heatsink and fan

assembly to ensure optimum thermal condition and performance.

• When you buy a boxed Intel

® processor, the package includes the CPU fan

and heatsink assembly. If you buy a CPU separately, ensure that you use

only Intel®-certied multi-directional heatsink and fan.

• Your Intel® LGA1155 heatsink and fan assembly comes in a push-pin

design and requires no tool to install.

• Use an LGA1155-compatible CPU heatsink and fan assembly only. The

LGA1155 socket is incompatible with the LGA775 and LGA1366 sockets in

size and dimension.

Orient the heatsink and fan assembly such that the CPU fan cable is closest to

the CPU fan connector.

To install the CPU heatsink and fan:

1. Place the heatsink on top of the

installed CPU, making sure that the

four fasteners match the holes on

the motherboard.

2. Push down two fasteners at a time

in a diagonal sequence to secure

the heatsink and fan assembly in

place.

A B

B A

If you purchased a separate CPU heatsink and fan assembly, ensure that the

Thermal Interface Material is properly applied to the CPU heatsink or CPU

before you install the heatsink and fan assembly.

Ensure that you have installed the motherboard to the chassis before you install

the CPU fan and heatsink assembly.

ASUS P8B-C series 2-17

3. Connect the CPU fan cable to the connector on the motherboard labeled

CPU_FAN1.

DO NOT forget to connect the CPU fan connector! Hardware monitoring errors

can occur if you fail to plug this connector.

2.3.3 Uninstalling the CPU heatsink and fan

To uninstall the CPU heatsink and fan:

1. Disconnect the CPU fan cable from

the connector on the motherboard.

2. Rotate each fastener

counterclockwise.

3. Pull up two fasteners at a time in

a diagonal sequence to disengage

the heatsink and fan assembly from

the motherboard.

A B

4. Carefully remove the heatsink and fan assembly from the motherboard.

2-18 Chapter 2: Hardware information

2.3.4 Installing the CPU heatsink in rack

The Intel® 1155 processor requires a specially designed heatsink to ensure

optimum thermal condition and performance.

• Ensure that you use qualied heatsink assembly only.

• Ensure that you have applied the thermal interface material to the top of the

CPU before installing the heatsink and fan.

1. Peel off the sticker on the heatsink metal plate and afx the plate to the back

of the motherboard, matching the standoffs to the heatsink screw holes.

2. Use a Phillips screwdriver to tighten the four heatsink screws in a diagonal

sequence.

Ensure that the heatsink is not skewed or tilted, otherwise the CPU will

overheat.

ASUS P8B-C series 2-19

2.4 System memory

2.4.1 Overview

The motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory

Modules (DIMM) sockets.

A DDR3 module has the same physical dimensions as a DDR2 DIMM but is

notched differently to prevent installation on a DDR2 DIMM socket. DDR3 modules

are developed for better performance with less power consumption.

The gure illustrates the location of the DDR3 DIMM sockets:

2.4.2 Memory Congurations

You may install 1GB, 2GB, 4GB and 8GB Unbuffered with ECC DDR3 DIMMs into

the DIMM sockets using the memory congurations in this section.

UDIMM

DIMM Slot

Per Channel

DIMM Populated

per Channel DIMM Type Speed Rank per DIMM

2 1 Unbuffered DDR3 ECC 1066/1333 Single Rank,

Dual Rank

2 2 Unbuffered DDR3 ECC 1066/1333 Single Rank,

Dual Rank

• Start installing the DIMMs from slot A2 and B2 (orange).

• Always install DIMMs with the same CAS latency. For optimum

compatibility, it is recommended that you obtain memory modules from the

same vendor.

ASUS P8B-C series 2-21

2.5 Expansion slots

In the future, you may need to install expansion cards. The following subsections

describe the slots and the expansion cards that they support.

2.5.1 Installing an expansion card

To install an expansion card:

1. Before installing the expansion card, read the documentation that came with

it and make the necessary hardware settings for the card.

2. Remove the system unit cover (if your motherboard is already installed in a

chassis).

3. Remove the bracket opposite the slot that you intend to use. Keep the screw

for later use.

4. Align the card connector with the slot and press rmly until the card is

completely seated on the slot.

5. Secure the card to the chassis with the screw you removed earlier.

6. Replace the system cover.

2.5.2 Conguring an expansion card

After installing the expansion card, congure it by adjusting the software settings.

1. Turn on the system and change the necessary BIOS settings, if any. See

Chapter 4 for information on BIOS setup.

2. Assign an IRQ to the card. Refer to the tables on the next page.

3. Install the software drivers for the expansion card.

Ensure to unplug the power cord before adding or removing expansion cards.

Failure to do so may cause you physical injury and damage motherboard

components.

When using PCI cards on shared slots, ensure that the drivers support “Share

IRQ” or that the cards do not need IRQ assignments. Otherwise, conicts will

arise between the two PCI groups, making the system unstable and the card

inoperable.

2-22 Chapter 2: Hardware information

* These IRQs are usually available for ISA or PCI devices.

IRQ Priority Standard function

0 1 System Timer

1 2 Keyboard Controller

2 - Programmable Interrupt

3* 11 Communications Port (COM2)

4* 12 Communications Port (COM1)

5* 13 --

6 14 Floppy Disk Controller

7* 15 --

8 3 System CMOS/Real Time Clock

9* 4 ACPI Mode when used

10* 5 IRQ Holder for PCI Steering

11* 6 IRQ Holder for PCI Steering

12* 7 PS/2 Compatible Mouse Port

13 8 Numeric Data Processor

14* 9 Primary IDE Channel

15* 10 Secondary IDE Channel

2.5.3 Interrupt assignments

Standard Interrupt assignments

2.5.4 PCI Express x8 slot (x4 link)

The onboard PCI Express x8 slots provide one x4 link to CPU. The slots support

VGA cards and various server class high performance add-on cards.

2.5.5 PCI Express x16 slot (x16 link)

The onboard PCI Express x16 slot provides one x16 link to CPU. This slot supports

VGA cards and various server class high performance add-on cards.

2.5.6 PCI slots

The PCI slot supports cards such as a LAN card, USB card, and other cards that

comply with PCI 2.3 specications.

2-24 Chapter 2: Hardware information

2.5.7 Connecting the thermal sensor cable

Follow the steps below to connect the thermal sensor cable to the connector on

your motherboard.

3. Place the other end of the thermal sensor cable to the device you would like

to monitor temperature.

1. Locate the TR1 connector on the

motherboard.

2. Connect the thermal sensor cable to

the connector.

You can connect the thermal sensor cable to either pin 1-2 or pin 2-3.

2-26 Chapter 2: Hardware information

2. VGA controller setting (3-pin VGA_SW1)

This jumper allows you to enable or disable the onboard VGA controller. Set

to pins 1–2 to activate the VGA feature.

R1.0x

R2.0x

ASUS P8B-C series 2-27

3. CPU Fan and Chassis Fan control setting

(3-pin CPUFAN_SEL1, CHAFAN_SEL1)

These jumpers allow you to switch for fan pin selection. The CPUFAN_SEL1

jumper is for the CPU fan control and the CHAFAN_SEL1 jumper is for the

front fans and rear fans control. Set to pins 1–2 when using 4-pin fans or pins

2–3 when using 3-pin fans.

• If you use a 4-pin fan but set the jumper to pin 2-3, the fan you installed

may not work.

• If you use a 3-pin fan but set the jumper for a 4-pin fan, the fan control will

not work and the fan you installed will always run at full speed.

2-28 Chapter 2: Hardware information

4. LAN controller setting

(3-pin LAN_SW1–2,

P8B-C/SAS/2L only

)

(3-pin LAN_SW1–4,

P8B-C/4L, P8B-C/SAS/4L only

)

These jumpers allow you to enable or disable the onboard Intel

® 82574L

Gigabit LAN controllers. Set to pins 1-2 to activate the Gigabit LAN feature.

5. RAID conguration utility selection (3-pin RAID_SEL1,

P8B-C/4L only

)

This jumper allows you to select the RAID conguration utility to use when

you create disk arrays. Place the jumper caps over pins 1–2 if you want to

use the LSI Logic Embedded SATA RAID Setup Utility (default); otherwise,

place the jumper caps to pins 2–3 to use the Intel

® Rapid Storage Technology.

ASUS P8B-C series 2-29

6. Force BIOS recovery setting (3-pin RECOVERY1; R1.0x only)

This jumper allows you to quickly update or recover the BIOS settings when it

becomes corrupted.

To update the BIOS:

1. Prepare a USB ash disk that contains the original or latest BIOS for the

motherboard (XXXXXX.ROM) and the BUPDATER.EXE utility.

2. Set the jumper to pins 2–3.

3. Insert the USB ash and turn on the system to update the BIOS.

4. Shut down the system.

5. Set the jumper back to pins 1–2.

6. Turn on the system.

2-30 Chapter 2: Hardware information

7. Chassis intrusion connector (2-pin CHASSIS)

This connector is for a chassis-mounted intrusion detection sensor or switch.

Connect one end of the chassis intrusion sensor or switch cable to this

connector. The chassis intrusion sensor or switch sends a high-level signal to

this connector when a chassis component is removed or replaced. The signal

is then generated as a chassis intrusion event.

By default , the pin labeled “Chassis Signal” and “Ground” are shorted with

a jumper cap. Remove the jumper caps only when you intend to use the

chassis intrusion detection feature.

        

This jumper allows you to quickly recover the Intel Management Engine (ME)

rmware when it becomes corrupted.

ASUS P8B-C series 2-31

9. SAS switch setting. SAS switch setting

(3-pin SAS_SW1,

P8B-C/SAS/2L, P8B-C/SAS/4L only

)

This jumper allows you to enable or disable the onboard LSI SAS2008

controller.

ASUS P8B-C series 2-35

4. USB connectors (10-1 pin USB34, USB56; A-Type USB7)

These connectors are for USB 2.0 ports. Connect the USB module cables to

connectors USB34 and USB56, then install the modules to a slot opening at

the back of the system chassis. These USB connectors comply with USB 2.0

specication that supports up to 480 Mbps connection speed.

5. Parallel port connector (26-1 pin LPT1)

This connector is for a parallel port. Connect the parallel port module cable

to this connector, then install the module to a slot opening at the back of the

system chassis.

2-36 Chapter 2: Hardware information

6. CPU, front and rear fan connectors

(4-pin CPU_FAN1, FRNT_FAN1–3, REAR_FAN1)

The fan connectors support cooling fans of 350 mA–740 mA (8.88 W max.)

or a total of 3.15 A–6.66 A (53.28 W max.) at +12V. Connect the fan cables to

the fan connectors on the motherboard, ensuring that the black wire of each

cable matches the ground pin of the connector.

• DO NOT forget to connect the fan cables to the fan connectors. Insufcient

air ow inside the system may damage the motherboard components.

• These are not jumpers! DO NOT place jumper caps on the fan connectors!

• All fans feature the ASUS Smart Fan technology.

ASUS P8B-C series 2-37

7. Serial General Purpose Input/Output connector (6-1 pin SGPIO1)

This connector is used for the SGPIO peripherals for the Intel Rapid Storage

Technology RAID SATA LED.

8. Serial General Purpose Input/Output connectors

(8-1 pin SGPIO2/3,

P8B-C/SAS/2L, P8B-C/SAS/4L only

)

These connectors are used for the SAS chip SGPIO interface that controls

the LED pattern generation, device information and general purpose data.

ASUS P8B-C series 2-39

11. TPM connector (20-1 pin TPM)

This connector supports a Trusted Platform Module (TPM) system, which can

securely store keys, digital certicates, passwords, and data. A TPM system

also helps enhance network security, protects digital identities, and ensures

platform integrity.

12. LAN34 LED connector

(5-1 pin LAN34_LED1,,

P8B-C/4L, P8B-C/SAS/4L only

)

This connector supports a backplane with 4 LAN LEDs. Connect the LAN

LED cable to the backplane for LAN activity indication.

2-40 Chapter 2: Hardware information

13. ATX power connectors (24-pin ATXPWR1, 8-pin ATX12V1)

These connectors are for an ATX power supply plugs. The power supply

plugs are designed to t these connectors in only one orientation. Find the

proper orientation and push down rmly until the connectors completely t.

• DO NOT forget to connect the 24+8-pin power plugs; otherwise, the system

will not boot up.

• Use of a PSU with a higher power output is recommended when conguring

a system with more power-consuming devices. The system may become

unstable or may not boot up if the power is inadequate.

• This motherboard supports ATX2.0 PSU or later version.

• Ensure that your power supply unit (PSU) can provide at least the minimum

power required by your system.

ASUS P8B-C series 2-41

14. System panel connector (20-1 pin PANEL1)

This connector supports several chassis-mounted functions.

1. System power LED (3-pin PLED)

This 3-pin connector is for the system power LED. Connect the chassis

power LED cable to this connector. The system power LED lights up

when you turn on the system power, and blinks when the system is in

sleep mode.

2. Message LED (2-pin MLED)

This 2-pin connector is for the message LED cable that connects to

the front message LED. The message LED is controlled by Hardware

monitor to indicate an abnormal event occurance.

3. System warning speaker (4-pin SPEAKER)

This 4-pin connector is for the chassis-mounted system warning

speaker. The speaker allows you to hear system beeps and warnings.

4. Hard disk drive activity LED (2-pin HDDLED)

This 2-pin connector is for the HDD Activity LED. Connect the HDD

Activity LED cable to this connector. The HDD LED lights up or ashes

when data is read from or written to the HDD.

5. Power button/soft-off button (2-pin PWRSW)

This connector is for the system power button. Pressing the power

button turns the system on or puts the system in sleep or soft-off mode

depending on the BIOS settings. Pressing the power switch for more

than four seconds while the system is ON turns the system OFF.

6. Reset button (2-pin RESET)

This 2-pin connector is for the chassis-mounted reset button for system

reboot without turning off the system power.

ASUS P8B-C series 2-43

1. Front panel SMB (6-1 pin FPSMB)

These leads connect the front panel SMBus cable.

2. LAN activity LED (2-pin LAN1_LED, LAN2_LED)

These leads are for Gigabit LAN activity LEDs on the front panel.

3. Chassis intrusion (4-1 pin CHASSIS)

These leads are for the intrusion detection feature for chassis with

intrusion sensor or microswitch. When you remove any chassis

component, the sensor triggers and sends a high-level signal to these

leads to record a chassis intrusion event. The default setting is short

CASEOPEN and GND pin by jumper cap to disable the function.

4. Locator LED (2-pin LOCATORLED1 and 2-pin LOCATORLED2)

These leads are for the locator LED1 and LED2 on the front panel.

Connect the Locator LED cables to these 2-pin connector. The LEDs will

light up when the Locator button is pressed.

5. Locator Button/Swich (2-pin LOCATORBTN)

These leads are for the locator button on the front panel. This button

queries the state of the system locator.

Chapter 3: Powering up

This chapter describes the power up

sequence, and ways of shutting down the

system.

ASUS P8B-C series

Chapter summary

3.1 Starting up for the rst time ........................................................ 3-3

3.2 Powering off the computer .......................................................... 3-4

3-4 Chapter 3: Powering up

3.2 Powering off the computer

3.2.1 Using the OS shut down function

If you are using Windows ® 2008 Server:

1. Click the Start button, move the cursor to the triangle on the right of Log off ,

and then click Shut Down .

2. From the Shutdown Event Tracker , select the option that best describes

why you want to shut down the computer.

3. Ensure that the Planned check box is checked.

4. If necessary, key in comments.

5. Click OK.

3.2.2 Using the dual function power switch

While the system is ON, pressing the power switch for less than four seconds puts

the system to sleep mode or to soft-off mode, depending on the BIOS setting.

Pressing the power switch for more than four seconds lets the system enter the

soft-off mode regardless of the BIOS setting.

Chapter 4: BIOS setup

This chapter tells how to change the

system settings through the BIOS Setup

menus. Detailed descriptions of the BIOS

parameters are also provided.