Asus VIA K8T800, VIA VT8237 Standard interrupt assignments, IRQ assignments for this motherboard

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Standard interrupt assignments

IRQ

Priority

Standard Function

0

1

System Timer

1

2

Keyboard Controller

2

N/A

Programmable Interrupt

4*

12

Communications Port (COM1)

5*

13

Sound card (sometimes LPT2)

 

 

 

6

14

Floppy Disk Controller

7*

15

Printer Port (LPT1)

 

 

 

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

 

 

 

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

IRQ assignments for this motherboard

 

INT A

INT B

INT C

INT D

INT E

PCI slot 1

shared

––

––

––

––

PCI slot 2

––

shared

––

––

––

PCI slot 3

––

––

shared

––

––

PCI slot 4

––

––

––

shared

––

PCI slot 5

shared

––

––

––

––

Onboard 1394

shared

––

––

––

––

Serial ATA

––

––

––

––

shared

AGP slot

shared

––

––

––

––

Onboard Audio

––

––

shared

––

––

When using PCI cards on shared slots, ensure that the drivers support “ShareIRQ” or that the cards do not need IRQ assignments. Otherwise, conflicts willarise between the two PCI groups, making the system unstable and the cardinoperable.

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Chapter 1: Product introduction

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Contents Motherboard E1495 First Edition December Contents Bios information ChapterContents Federal Communications Commission Statement Electrical safety SafetyinformationOperation safety Aboutthisguide Where to find more informationConventions used in this guide K8V-Fspecificationsummary CPUBios features Industry standard Manageability Form Factor Chapter Special features WelcomeIntegrated 10/100 Mbps LAN Channel and digital audio solutionAsus EZ Flash Bios Hardware information AGP 8X supportOnboard LED Before you proceedMotherboard overview Motherboard layoutPlacement direction Screw holesInstalling the CPU Central Processing Unit CPUAngle System memory Memory configuratinsOverview Installing a Dimm Removing a DimmConfiguring an expansion card Installing an expansion cardExpansion slots Standard interrupt assignments IRQ assignments for this motherboardPCI slots AGP slotJumpers Keyboard power 3-pin KBPWR1Clear RTC RAM CLRTC1 K8V-F Keyboard Power Setting Rear panel connectors ConnectorsBios Recovery procedure Internal connectors Auxilliary connector 4-pin AUX Serial ATA connectors 7-pin SATA1, SATA2 Important notes on Serial ATACPU and Chassis Fan Connectors 3-pin CPUFAN1, CHAFAN1 Ieee 1394 connector 10-1 pin IE13941ATX power connectors 20-pin ATXPOWER1, 4-pin ATX12V Front panel audio connector 10-1 pin FpaudioUSB headers 10-1 pin USB56, USB78 ATX Power Switch / Soft-Off Switch Lead 2-pin Pwrsw System panel connector 20-pin PANEL1System Power LED Lead 3-1 pin Pled Reset Switch Lead 2-pin ResetProduct Introduction Bios information Managing and updating your Bios Creating a bootable floppy diskUsing Afudos to copy the current Bios Using Afudos to update the BiosAfudos /ifilename.rom Using Asus EZ Flash to update the Bios To update the Bios using Asus EZ FlashBIOSSetupprogram Bios menu screen Menu items System Date Day xx/xx/xxxx MainmenuSystem Time Legacy Diskette a 1.44M, 3.5Primary/Secondary IDE Master/Slave System Information 32Bit Data Transfer DisabledAcoustic Management Disabled Smart Monitoring AutoCPU Configuration AdvancedmenuHT Frequency 800 MHz HT Tristate Enable DisabledCRC Flood Enable Disabled HT Data Width Upstream 16 BITMemclock Mode Auto Memory ConfigurationBank Interleaving Auto CAS Latency CL Auto L2 Cache BG Scrub Disabled Data Cache BG Scrub DisabledCool N’ Quiet Enabled ChipsetPrimary Graphics Adapter AGP AGP Mode AGPAGP Fast Write Enabled Search for MDA Resources NoPCI Delay Transaction Disabled MPS RevisionUSB 2.0 Controller Mode HiSpeed USB 1.1 Ports Configuration USB 8 PortsUSB 2.0 Controller Enabled Legacy USB Support AutoOnboard Devices Configuration Parallel Port Mode Normal Parallel Port IRQ IRQ7PCIPnP Powermenu APM Configuration Power On By RTC Alarm Disabled Video Power Down Mode SuspendHard Disk Power Down Mode Enabled Power On External Modems DisabledHardware Monitor CPU Temperature xxxC/xxxF MB Temperature xxxC/xxxFVcore Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage Boot Device Priority Boot menu1st ~ xxth Boot Device 1st Floppy Drive Boot Settings Configuration Change Supervisor Password Interrupt 19 Capture DisabledSecurity Clear User Password User Access Level Full AccessChange User Password Password Check SetupExit & Save Changes Load Setup DefaultsExitmenu Exit & Discard Changes