Intel D845GVFN manual Interrupts

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Intel Desktop Board D845GVFN Product Guide

Interrupts

Table 12.

Interrupts

 

 

 

IRQ

 

System Resource

 

 

 

NMI

 

I/O channel check

 

 

 

0

 

Reserved, interval timer

 

 

 

1

 

Reserved, keyboard buffer full

 

 

 

2

 

Reserved, cascade interrupt from slave PIC

 

 

 

3

 

COM2*

 

 

 

4

 

COM1*

 

 

 

5

 

LPT2 (Plug & Play option) / **

 

 

 

6

 

Diskette drive controller

 

 

 

7

 

LPT1*

 

 

 

8

 

Real time clock

 

 

 

9

 

**

 

 

 

10

 

**

 

 

 

11

 

**

 

 

 

12

 

Onboard mouse port (if present, else user available)

 

 

 

13

 

Reserved, math coprocessor

 

 

 

14

 

Primary IDE (if present, else user available)

 

 

 

15

 

Secondary IDE (if present, else user available)

 

 

 

*Default, but can be changed to another IRQ.

**Dynamically allocated for all PCI/AGP devices and slots.

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Contents Intel Desktop Board D845GVFN Product Guide FCC Declaration of Conformity Revision HistoryRevision Revision History Date Canadian Department of Communications Compliance StatementPreface Intended AudienceTerminology Contents Bios Contents TablesViii Desktop Board Features Feature SummarySupported Operating Systems Desktop Board Features Desktop Board ComponentsRelated Links Item DescriptionType Designation GHz System Bus MHz L2 Cache KB ProcessorProcessor Support Main Memory Memory SupportIntel 845GV Chipset Audio SubsystemEnhanced IDE Interface RJ-45 LAN Connector LEDsLAN Subsystem Expansion SlotsSecurity Passwords PCI Auto ConfigurationIDE Auto Configuration Chassis IntrusionFan Headers Power Management FeaturesPower Connectors Suspend to RAM Instantly Available PC TechnologyReal-Time Clock BatterySpeaker Intel Desktop Board D845GVFN Product Guide Installing and Replacing Desktop Board Components Before You BeginEnsure Electromagnetic Compatibility EMC Compliance Installation PrecautionsInstallation Instructions Installing and Replacing Desktop Board Components Prevent Power Supply OverloadPlace Battery Marking Chassis and Component CertificationsInstalling the I/O Shield Use Only for Intended ApplicationsInstalling and Removing the Desktop Board Desktop Board Mounting Screw HolesInstalling the Processor Fan Heatsink Installing and Removing a ProcessorInstalling a Processor Connecting the Processor Fan Heatsink Cable Removing a ProcessorInstalling and Removing Memory Installing DIMMsConnecting the IDE Cable Removing DIMMsConnecting the IDE Cable Connecting Internal Headers Location of Internal HeadersFront Panel Header Connecting the Front Panel HeaderConnecting the USB 2.0 Header USB HeaderConnecting the Front Panel Audio Header Front Panel Audio Header Signal NamesConnecting Fans and Power Cables Location of Fan Headers and Power ConnectorsConnecting Fans Connecting Power CablesOM17428 Jumper Setting Mode Description Setting the Bios Configuration Jumper BlockJumper Settings for the Bios Setup Program Modes Clearing Passwords Back Panel Connectors Back Panel ConnectorsReplacing the Battery PrécautionAvvertimento Awas Uyari Intel Desktop Board D845GVFN Product Guide Updating the Bios with the Intel Iflash Bios Update Utility Using the Bios Setup ProgramUpdating the Bios Obtaining the Bios Update FileUpdating the Bios Recovering the BiosBios Intel Desktop Board D845GVFN Product Guide DMA Channels Desktop Board ResourcesMemory Map System Memory MapInterrupts InterruptsBeep Codes Error Messages and IndicatorsBios Beep Codes Number of Beeps DescriptionError Message Explanation Bios Error MessagesBios Error Messages Error Messages and Indicators Nvram / Cmos / PasswordIntel Desktop Board D845GVFN Product Guide Regulatory Compliance Safety RegulationsSafety Regulations European Union Declaration of Conformity StatementRecycling Considerations Product Ecology StatementsDisposal Considerations Regulatory Compliance EMC RegulationsEMC Regulations Product Certification Markings Board Level Product Certification Markings