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Chapter 4: BIOS Setup
Graphics Aperture Size [64MB]
This feature allows you to select the size of mapped memory for AGP
graphic data. Configuration options: [4MB] [8MB] [16MB] [32MB] [64MB]
[128MB] [256MB]
AGP Capability [4X Mode]
This motherboard supports the AGP 4X interface that transfers video data at
1066MB/s. AGP 4X is backward-compatible, so you may keep the default
[4X Mode] even if you are using an AGP 1X or 2X video card. [1X Mode]
provides a peak data throughput of 266MB/s even if using an AGP 2X/4X
card. [2X Mode] provides a peak data throughput of 533MB/s even if using
an AGP 4X card. Configuration options: [1X Mode] [2X Mode] [4X Mode]
AGP Fast Write Capability [Enabled]
Configuration options: [Disabled] [Enabled]
Video Memory Cache Mode [UC]
USWC (uncacheable, speculative write combining) is a new cache technology
for the video memory of the processor. It can greatly improve the display
speed by caching the display data. You must set this to UC (uncacheable) if
your display card does not support this feature, otherwise the system may
not boot. Configuration options: [UC] [USWC]
Memory Hole At 15M-16M [Disabled]
This field allows you to reserve an address space for ISA expansion cards.
Setting the address space to a particular setting makes that memory space
unavailable to other system components. Expansion cards can only access
memory up to 16MB. Configuration options: [Disabled] [Enabled]
MA/Cmd leadoff timing [Default]
Configuration options: [Default] [Normal] [Fast]
Dram turn around timing [Normal]
Configuration options: [Normal] [Slow] [Fast]
Dram read latency timing [Normal]
Configuration options: [Normal] [Slow] [Fast]
PCI 2.1 Support [Enabled]
This field enables or disables support for PCI 2.1 features including passive
release and delayed transaction. Configuration options: [Enabled] [Disabled]
Onboard PCI IDE Enable [Both]
This field allows you to enable either the primary IDE channel or secondary
IDE channel, or both. You can also set both channels to [Disabled].
Configuration options: [Both] [Primary] [Secondary] [Disabled]
I-Panel Hotkey Mapping [Group 1]
Configuration options: [Group 1] [Group 2] [Group 3] [Group 4]
I-Panel Update Timer [Disabled]
Configuration options: [Disabled] [8 Seconds] [16 Seconds] [32 Seconds]