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Chapter 3 BIOS Setup
Feature Option Description
Plug & Play O/S
Yes
No
Yes: lets the O/S configure
PnP devices not required for
b
oot if your system has a
Plug and Play O/S
PCI Latency Timer
32, 64, 96, 128, 160,
192, 224, 248
Value in units of PCI clocks
for PCI device latency timer
register
Allocate IRQ to PCI VGA
Yes
No
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
Palette Snooping
Disabled
Enabled
Enabled: informs the PCI
devices that an ISA graphics
device is installed in the
system so the card will
function correctly
PCI IDE BusMaster
Disabled
Enabled
Enabled: BIOS uses PCI
b
usmastering for
reading/writing to IDE drives
Offboard PCI/ISA IDE card
Auto
PCI Slot1
PCI Slot2
PCI Slot3
PCI Slot4
PCI Slot5
PCI Slot6
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