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E936
First Edition January
Chapter 1: Product introduction
Chapter 2: Hardware information
Chapter 3: Powering up
Chapter 4: BIOS setup
Chapter 5: Software support
G-1
Index
Federal Communications Commission Statement
Canadian Department of Communications Statement
This class B digital apparatus complies with Canadian ICES-003
Electrical safety
Operation safety
How this guide is organized
Conventions used in this guide
Where to find more information
ASUSTeK COMPUTER INC. (Asia-Pacific)
ASUS COMPUTER INTERNATIONAL (America)
ASUS COMPUTER GmbH (Europe)
Product introduction
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Thank you for buying the ASUS® P4B266motherboard
ASUS P4B266 motherboard user guide
1.3.1 Product highlights
Latest processor technology
DDR memory support
ASUS MyLogo™
ASUS EZ Plug™
1.3.2 Value-addedsolutions
Overclocking
ASUS iPanel support
1.4.1 Motherboard components
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ATX 12V connector
CPU socket
North bridge controller
DDR DIMM sockets
ATX power connector
Super I/O controller
DIP switches
Flash EEPROM
South bridge controller
ASUS ASIC
PS/2 mouse port
Parallel port
Game/MIDI port
Microphone jack
Line In jack
Hardware information
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2.1.1 Placement direction
2.1.2 Screw holes
Chapter 2: Hardware information
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2.4.1 Overview
2.4.2 Installing the CPU
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2.4.3 Installing the heatsink and fan
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2.4.4 Connecting the CPU fan cable
2.5.1 Overview
2.5.2 Memory configurations
2.5.3 Installing a DIMM
2.5.4 Removing a DIMM
2.6.1 Installing an expansion card
2.6.2 Configuring an expansion card
Standard Interrupt Assignments
IRQ assignments for this motherboard
2.6.3 PCI slots
2.6.4 AGP slot
2.6.5 CNR slot
1.JumperFree™ mode (JEN)
2.CPU Core:Bus frequency multiple (SWITCH Switches 1-4)
3.CPU frequency selection (SWITCH Switches 5-9)
4.Keyboard power (3-pinKBPWR)
5.DDR voltage (4-pinDDR_OV)
6.USB device wake-up (3-pinUSBPWR01, USBPWR23)
7.VCORE over-voltage (3-pinOVER_VOLT)
8.Line out selector (two 2-pinLO_L, LO_R) (on audio models only)
9.Bass/Center setting (3-pinBCS1, BCS2) (on audio models only)
10.Clear RTC RAM (CLRTC)
1.Hard disk activity LED (2-pinHDDLED)
2.IDE connectors (40-1pin PRIMARY IDE/SECONDARY IDE)
3.Floppy disk drive connector (34-1pin FLOPPY)
4.Chassis open alarm lead (4-1pin CHASSIS)
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6.CPU, Chassis, and Power Fan Connectors (3-pinCPU_FAN, PWRFAN, CH_FAN)
7.USB headers (10-1pin USB11_23)
8.SMBus connector (6-1pin SMB)
9.Internal audio connectors (4-pinCD1, AUX, MODEM) (optional)
10.Line in connector (5-pinLINE_IN) (optional)
11.Front panel audio connector (10-1pin IAPANEL) (optional)
12.ASUS iPanel connector (24-1pin AFPANEL) (optional)
13.Digital audio connector (6-1pin SPDIF_C) (optional)
14.Infrared module connector (two 5-1pin IR)
UART2 Use As
15.Power supply thermal connector (2-pinTRPWR)
16.System panel connector (20-pinPANEL)
•System Power LED Lead (3-1pin PLED)
•Keyboard Lock Lead (2-pinKEYLOCK)
•System Warning Speaker Lead (4-pinSPEAKER)
•System Message LED Lead (2-pinMLED)
•ATX Power Switch / Soft-OffSwitch Lead (2-pinPWRBTN)
•Reset Switch Lead (2-pinRESET)
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Powering up
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Award BIOS Beep Codes
Chapter 3: Powering up
BIOS setup
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4.1.1 Using the computer system for the first time
Chapter 4: BIOS Setup
4.1.2 Updating BIOS procedures
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4.2.1 BIOS menu bar
4.2.2 Legend bar
General help
Saving changes and exiting the Setup program
Scroll bar
Sub-menu
System Time [XX:XX:XX]
System Date [XX/XX/XXXX]
Legacy Diskette A [1.44M, 3.5 in.]
Floppy 3 Mode Support [Disabled]
4.3.1 Primary and Secondary Master/Slave
Type [Auto]
[User Type HDD]
Translation Method [LBA]
Cylinders
Head
Sector
CHS Capacity
SMART Monitoring [Disabled]
PIO Mode [4]
Ultra DMA Mode [Disabled]
4.3.2 Keyboard Features
Boot Up NumLock Status [On]
Keyboard Auto-RepeatRate [6/Sec]
Keyboard Auto-RepeatDelay [1/4 Sec]
Language [English]
Supervisor Password [Disabled] / User Password [Disabled]
A note about passwords
Forgot the password
Halt On [All Errors]
CPU Speed [Manual]
CPU Frequency Multiple (when CPU Speed is set to [Manual])
CPU Frequency (MHz) (when CPU Speed is set to [Manual])
CPU/Memory Frequency Ratio [Auto]
CPU VCore Setting [Auto]
CPU VCore [1.750V]
CPU Level 1 Cache, CPU Level 2 Cache [Enabled]
BIOS Update [Enabled]
PS/2 Mouse Function Control [Auto]
USB Legacy Support [Auto]
OS/2 Onboard Memory > 64M [Disabled]
4.4.1 Chip Configuration
SDRAM Configuration [By SPD]
SDRAM CAS Latency [2.5T]
SDRAM RAS to CAS Delay [3T]
SDRAM RAS Precharge Delay [3T]
SDRAM Active Precharge Delay [6T]
SDRAM Idle Timer [Infinite]
Optimization Mode [Normal]
Graphics Aperture Size [64MB]
Video Memory Cache Mode [UC]
Memory Hole At 15M-16M[Disabled]
Delayed Transaction [Disabled]
Onboard PCI IDE [Both]
Onboard PCI Audio [Enabled]
4.4.2 I/O Device Configuration
Floppy Disk Access Control [R/W]
Onboard Serial Port 1 [3F8H/IRQ4]
Onboard Serial Port 2 [2F8H/IRQ3]
UART2 Use As [COM Port]
Parallel Port Mode [ECP+EPP]
ECP DMA Select [3]
Onboard AC97 Audio Controller [Auto]
Onboard AC97 Modem Controller [Auto]
4.4.3 PCI Configuration
Slot 1/5, Slot 2, Slot 3, Slot 4, Slot 6 IRQ [Auto]
PCI/VGA Palette Snoop [Disabled]
PCI Latency Timer [32]
USB1.1 Function [Enabled]
IRQ XX Reserved [No/ICU]
Power Management [User Defined]
Video Off Option [Suspend ->Off ]
Video Off Method [DPMS OFF]
HDD Power Down [Disabled]
ACPI Suspend To RAM [Disabled]
Suspend Mode [Disabled]
4.5.1 Power Up Control
AC PWR Loss Restart [Disabled]
Wake/Power Up On Ext. Modem [Disabled]
Power Up On PCI Card [Disabled]
Power On By PS/2 Keyboard [Space Bar]
Power On By PS/2 Mouse [Disabled]
Automatic Power Up [Disabled]
4.5.2 Hardware Monitor
MB Temperature [xxxC/xxxF]
CPU Temperature [xxxC/xxxF]
POWER Temperature [xxxC/xxxF]
CPU Fan Speed [xxxxRPM]
Boot Sequence
Removable Device [Legacy Floppy]
IDE Hard Drive
ATAPI CD-ROM
Other Boot Device Select [INT18 Device (Network)]
Plug & Play O/S [No]
Reset Configuration Data [No]
Boot Virus Detection [Enabled]
Quick Power On Self Test [Enabled]
Interrupt Mode [APIC]
Exit Saving Changes
Exit Discarding Changes
Load Setup Defaults
Discard Changes
Save Changes
Software support
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5.2.1 Running the support CD
5.2.2 Main menu
5.2.3 Software menu
ASUS Update
Intel® LDCM Administrator Setup
Intel® LDCM Client Setup
ASUS BIOS Flash Utility
ASUS PC Probe
Cyberlink Video and Audio Applications
Direct
E-Color3Deep
5.2.4 Drivers menu
INF Driver
Intel® Application Accelerator
Audio
5.2.5 DOS Utility menu
5.2.6 ASUS Contact Information
5.2.7 Other information
Motherboard Info
Browse this CD
Technical Support Form
Readme
5.3.1 ASUS Update
5.3.2 ASUS MyLogo™
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5.3.3 Multi-ChannelAudio Feature
Setting the C-MediaAudio Mixer
Running the C-MediaAudio Demo Program
Connector Settings and Functions
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AC’97 (Audio Codec '97)
Bandwidth
Data Transfer Rate
Backup
G-1
BIOS (Basic Input/Output System)
Bit (Binary Digit)
Boot
Bus Master IDE
Byte (Binary Term)
Device Driver
DOS (Disk Operating System)
Expansion Card
Flash ROM
IDE (Integrated Drive Electronics)
LAN (Local Area Network)
Modem
Network
OS (Operating System)
PC100/PC133
POST (Power On Self Test)
PS/2 Port
RAM (Random Access Memory)
ROM (Read Only Memory)
SDRAM (Synchronous DRAM)
System Disk
USB (Universal Serial Bus)
WAN (Wide Area Network)
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Index
CD
LO_L
LED1