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3.4.6 – Integrated SCSI / Network / USB / Audio /1394 Controller Sub-Menu
Feature Option Description
Integrated PCI Device Enabled
Disabled
This setting determines whether the
integrated PCI device is activated.
Option ROM Scan Enabled
Disabled
This setting determines whether the
option ROM of the integrated PCI
device is loaded during system BIOS
POST.
Latency Timer Default
0020h
0040h
0060h
0080h
00A0h
00C0h
00E0h
This setting controls how long each
PCI device can hold the bus before
another PCI device takes over. When
set to higher values, every PCI device
can conduct transactions for a longer
time and thus improve the effective
PCI bandwidth.
3.4.7 – AGP Slot Sub-Menu
Feature Option Description
Latency Timer Default
0020h
?
00E0h
This setting controls how long each
PCI device can hold the bus before
another PCI device takes over. When
set to higher values, every PCI device
can conduct transactions for a longer
time and thus improve the effective
PCI bandwidth.
Graphic Aperture 256Mb
128Mb
64Mb
32Mb
This setting controls system RAM
allocation. The aperture is a portion of
the memory address range dedicated
to graphics memory address space.
Host cycles that hit the aperture range
are forwarded to the AGP without any
translation.
3.4.8 – PCI Device Slot-n Sub-Menu
Feature Option Description
Option ROM Scan Enabled
Disabled
This setting determines whether the
option ROM of the PCI slot is loaded
during system BIOS POST.
Latency Timer Default
0020h
?
00E0h
This setting controls how long each
PCI device can hold the bus before
another PCI device takes over.