MSI KT4V User Guide - Page 69

PCI Latency Timer, PCI IDE BusMaster, Primary Graphics Adaptor, PCI Slot1 IRQ, Enabled, Disabled, PCI

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BIOS Setup PCI Latency Timer This item controls how long each PCI device can hold the bus before another takes over. When set to higher values, every PCI device can conduct transactions for a longer time and thus improve the effective PCI bandwidth. For better PCI performance, you should set the item to higher values. Settings range from 32 to 248 at a 32 increment. PCI IDE BusMaster Set this option to Enabled to specify that the IDE controller on the PCI local bus has bus mastering capability. Settings options: Disabled, Enabled. Primary Graphics Adaptor This setting specifies which VGA card is your primary graphics adapter. Setting options: PCI, AGP. PCI Slot1 IRQ, PCI Slot2/5 IRQ, PCI Slot3/6 IRQ, PCI Slot4 IRQ These items specify the IRQ line for each PCI slot. Setting options: 3, 4, 5, 7, 9, 10, 11, Auto. Selecting Auto allows BIOS to automatically determine the IRQ line for each PCI slot. 3-23

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3-23
BIOS Setup
PCI Latency Timer
This item controls how long each PCI device can hold the bus before another
takes over. When set to higher values, every PCI device can conduct transac-
tions for a longer time and thus improve the effective PCI bandwidth. For
better PCI performance, you should set the item to higher values. Settings
range from
32
to
248
at a 32 increment.
PCI IDE BusMaster
Set this option to
Enabled
to specify that the IDE controller on the PCI local
bus has bus mastering capability. Settings options:
Disabled
,
Enabled
.
Primary Graphics Adaptor
This setting specifies which VGA card is your primary graphics adapter. Set-
ting options:
PCI, AGP
.
PCI Slot1 IRQ, PCI Slot2/5 IRQ, PCI Slot3/6 IRQ, PCI Slot4 IRQ
These items specify the IRQ line for each PCI slot. Setting options:
3
,
4
,
5
,
7
,
9
,
10
,
11
,
Auto
. Selecting
Auto
allows BIOS to automatically determine the
IRQ line for each PCI slot.