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Asus P4P800-X DRAM Precharge Delay [8 Clocks], DRAM Burst Length [8 Clocks], DRAM Idle Timer [Auto], DRAM Refresh Mode [Auto], Spread Spectrum [Enabled]

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DRAM Precharge Delay [8 Clocks]

Configuration options: [8 Clocks] [7 Clocks] [6 Clocks] [5 Clocks]

DRAM Burst Length [8 Clocks]

Configuration options: [4 Clocks] [8 Clocks]

Memory Acceleration Mode [Auto]

This field when [Enabled] minimize latencies from CPU to memory to boost system performance. Configuration options: [Auto] [Enabled]

DRAM Idle Timer [Auto]

Configuration options: [Infinite] [0T] [8T] [16T] [64T] [Auto]

DRAM Refresh Mode [Auto]

Configuration options: [Auto] [15.6 uSec] [7.8 uSec] [64 uSec] [64T]

If the system becomes unstable after changing the settings of any of the above items, revert to the default settings.

Graphic Adapter Priority [AGP/PCI]

Allows selection of the graphics controller to use as primary boot device. Configuration options: [AGP/PCI] [PCI/AGP]

Graphics Aperture Size [64MB]

Allows you to select the size of mapped memory for AGP graphic data. Configuration options: [4MB] [8MB] [16MB] [32MB] [64MB] [128MB] [256MB]

Spread Spectrum [Enabled]

This field enables or disables the clock generator spread spectrum. Configuration options: [Disabled] [Enabled]

ICH Delayed Transaction [Enabled]

Configuration options: [Disabled] [Enabled]

MPS Revision 1.1/1.4 [1.4]

Sets the Multi-Processor Specification (MPS) version.

Configuration options: [1.1] [1.4]

ASUS P4P800-X motherboard

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Contents

Page E1718 First Edition July Chapter 1: Product introduction Standard interrupt assignments IRQ assignments for this motherboard Chapter 2: BIOS Information 2.1 Managing and updating your BIOS 2.1.1 Creating a bootable floppy disk 2.1.2 Using AFUDOS to copy the current BIOS 2.1.3 Using AFUDOS to update the BIOS Chapter 3: Software support 3.2.1 Running the support CD Federal Communications Commission Statement •This device may not cause harmful interference, and •Reorient or relocate the receiving antenna •Increase the separation between the equipment and receiver •Consult the dealer or an experienced radio/TV technician for help Electrical safety Operation safety Conventions used in this guide Where to find more information Page Page Page Thank you for buying the ASUS® P4P800-Xmotherboard Check your P4P800-Xpackage for the following items 1 x UltraDMA 100/66 cable 1 x Floppy disk cable I/O shield Bag of extra jumper caps User Guide Serial ATA solution ASUS Hyper-PathTechnology AGP 8X support USB 2.0 technology 10/100 Mbps LAN support Onboard LED 1.5.1 Motherboard layout 1.5.2 Placement direction 1.5.3 Screw holes 1.6.1 Overview 1.6.2 Installing the CPU 1.7.1 DIMM sockets location 1.7.2 Memory configurations Table Recommended memory configurations Table 2 Memory frequency/CPU FSB synchronization DDR400 Qualified Vendor List (QVL) Page 1.7.3 Installing a DIMM Standard interrupt assignments 1.8.2 IRQ assignments for this motherboard 1.8.3 PCI slots 1.8.4 AGP slot 1.Clear RTC RAM (CLRTC1) To erase the RTC RAM: 1.Turn OFF the computer and unplug the power cord 3.Plug the power cord and turn ON the computer Hold down the <Del> key during the boot process and enter BIOS setup to 2.USB device wake-up (3-pinUSBPW12, USBPW34, USBPW56, USBPW78) 1.10.1 Rear panel connectors 1.10.2 Internal connectors 3. Serial ATA connectors (7-pinSATA1, SATA2) 133 MB/s (Ultra ATA/133) Parallel ATA and Serial ATA device configurations Native Legacy Required IDE Configuration settings in BIOS 4.ATX power connectors (20-pinATXPWR, 4-pinATX12V) 5.Internal audio connectors (4-pinCD, AUX) 6.CPU and chassis fan connectors (3-pinCPU_FAN, CHA_FAN) 7.USB header (10-1pin USB56, USB78) 8.Front panel audio connector (10-1pin FP_AUDIO) Be default, the pins labeled LINE OUT_R/BLINE_OUT_R and the pins 9.Chassis intrusion connector (4-1pin CHASSIS) 10.GAME/MIDI connector (16-1pin GAME) 11.Digital Audio connector (6-1pin SPDIF_OUT) 12.Serial connector (9-pinCOM2 ) 13.System panel connector (10-1pin PANEL) •System Power LED Lead (Green 3-1pin PLED) •System Warning Speaker Lead (Orange 4-pinSPKR) •Reset Switch Lead (Blue 2-pinRESET) •ATX Power Switch/Soft-offSwitch Lead (Light Green 2-pinPWR) •Hard Disk Activity Lead (Red 2-pinIDE_LED) Page 2.1.1Creating a bootable floppy disk 2.1.2 Using AFUDOS to update the BIOS 2.1.3 Using AFUDOS to copy BIOS from PC 2.1.4 Using ASUS EZ Flash to update the BIOS 2.1.5 Recovering the BIOS with CrashFree BIOS 2. When the BIOS update process is complete, reboot the system To recover the BIOS from the support CD: Place the support CD in the 2. When the BIOS update process is complete, reboot the system Page BIOS menu screen 2.2.2 Menu bar 2.2.3 Navigation keys 2.2.4 Menu items 2.2.5 Sub-menuitems 2.2.6 Configuration fields 2.2.7 Pop-upwindow 2.2.8 Scroll bar 2.3.1 System Time [xx:xx:xx] 2.3.2 System Date [Day xx/xx/xxxx] 2.3.3 Legacy Diskette A [1.44M, 3.5 in.] Type [Auto] LBA/Large Mode [Auto] Block (Multi-sectorTransfer) [Auto] PIO Mode [Auto] DMA Mode [Auto] 2.3.5 IDE Configuration Enhanced Mode Support On [S-ATA] IDE Port Settings [Primary P-ATA+S-ATA] 2.3.6 System Information 2.4.1 JumperFree Configuration CPU VCore Voltage [Auto] AI Overclocking Tuner CPU Frequency (MHz) [XXX] (value is auto-detected) (value is auto-detected) 2.4.2 CPU Configuration 2.4.3 Chipset DRAM CAS# Latency [2.5 Clocks] DRAM RAS# Precharge [4 Clocks] DRAM RAS# to CAS# Delay [4 Clocks] DRAM Precharge Delay [8 Clocks] DRAM Burst Length [8 Clocks] 2.4.4 Onboard Devices Configuration OnBoard LAN Boot ROM [Disabled] Parallel Port IRQ [IRQ7] 2.4.5 PCI PnP 2.4.6 USB Configuration USB Mass Storage Reset Delay [20 Sec] 2.5.1 Suspend Mode [Auto] 2.5.2 Repost Video on S3 Resume [No] 2.5.3 ACPI 2.0 Support [No] 2.5.4 ACPI APIC Support [Enabled] 2.5.5 BIOS ->AML ACPI Table [Enabled] 2.5.6Advanced Power Management (APM) Configuration Restore on AC Power Loss [Power Off] Power On By RTC Alarm [Disabled] Power On By External Modem [Disabled] Power On By PCI Devices [Disabled] Power On By PS/2 Keyboard [Disabled] Hardware Monitor CPU Temperature [xxxC/xxxF] MB Temperature [xxxC/xxxF] CPU Fan Speed [xxxxRPM] or [N/A] Chassis Fan Speed [xxxxRPM] or [N/A] 2.6.1 Boot Device Priority 2.6.2 Boot Settings Configuration Quick Boot [Enabled] Full Screen Logo [Enabled] Add On ROM Display Mode [Force BIOS] Sets the display mode for option ROM Configuration options: [Force BIOS] [Keep Current] 2.6.3 Security User Access Level (Full Access] No Access prevents user access to the Setup utility Change User Password To set a User Password: 1.Select the Change User Password item and press Enter Boot Sector Virus Protection [Disabled] Exit & Save Changes Exit & Discard Changes Discard Changes Load Setup Defaults Page 3.2.1 Running the support CD 3.2.2 Drivers menu 3.2.3 Utilities menu 3.2.4 ASUS Contact Information