3Com DK8X user manual Chapter, Irq

Page 51

Chapter 3

Feature

Plug & Play O/S

PCI Latency Timer

Allocate IRQ to PCI VGA

Palette Snooping

PCI IDE BusMaster

Offboard PCI/ISA IDE card

Option

Yes

No

32, 64, 96, 128, 160, 192, 224, 248

Yes

No

Disabled

Enabled

Disabled

Enabled

Auto

PCI Slot1

PCI Slot2

PCI Slot3

PCI Slot4

PCI Slot5

PCI Slot6

BIOS Setup

Description Yes: lets the O/S configure PnP devices not required for boot if your system has a Plug and Play O/S

Value in units of PCI clocks for PCI device latency timer register

Yes: Assign IRQ to PCI VGA card if card requests

IRQ

No: Doesn’t assign IRQ To PCI VGA cars even if card requests IRQ

Enabled: informs the PCI devices that an ISA graphics device is installed in the system so the card will function correctly Enabled: BIOS uses PCI

busmasteringfor reading/writing to IDE drives Some PCI IDE cards may require this to be set to the PCI slot number that is holding the card.

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BIOS Setup

3-10

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Contents Iwill DK8X Motherboard DK8X Motherboard FCC Compliance Statement Disclaimer Table of Contents DK8X Motherboard Overview Chapter OverviewOverview Operating Precautions Getting Help USB Overview Mainboard MAP Rear I/O Array Hardware Installation Chapter Hardware InstallationMAP of Jumpers CN32 Clear Cmos Header CN25 PCI-X Speed Select Jumper CN21 PCI 64-Bit Speed Select JumperJ11 Audio for Front Panel JP1 IEEE-1394 Enable/DisableCN20 Chassis Intrusion Switch Connector Installing Memory Memory Installation Procedures Chapter Hardware Installation Recommended Memory Configurations Heatsink Installation DK8X Motherboard Chapter Hardware Installation DK8X Motherboard AGP PRO Slot EPS12V Power Connectors Pin Front Panel Switches System Power LED 3-pin Pwrled Reset Switch 2-pin RSTSpeaker Connector 4-pin Speaker ATX Power Switch / Soft Power Switch 2-pin PwrswCPU/ System FAN Connectors PS/2 Mouse Connector 6-pin Female PS/2 Keyboard Connector 6-pin FemaleUniversal Serial Bus Ports 4-pin Female Onboard LAN Port RJ-45 Ieee 1394/ FireWire Connector 6-pin MaleSerial Port COM1 Connector 9-pin Male Parallel Printer Connector 25-pin FemaleCDIn & AuxIn Audio Inputs 4-pin Ieee 1394 Firewire Ports and Header Installing Expansion Cards RAID RAID Type DescriptionPowering on Your System Bios Setup Chapter Bios Setup ESC ENDMain Menu Advanced Menu Acpi IDE IDE Configuration SubmenuSuper IO Configuration Submenu PCIPnP Menu IRQ ChapterIRQ3~IRQ15 Boot Menu ROM Boot Setting Configuration SubmenuDEL Security Menu Chipset Menu NothBridge Configuration SubmenuDK8X Motherboard Chapter SouthBridge Configuration AGP Configuration Submenu APM Configuration Menu Exit Menu Install ALC655 audio driver Install WindowsXP SP1a Install 8151 driver