User manual

44 • BIOS Setup
The choices: Enabled, Disabled.
Video BIOS Cacheable:
Select “Enabled” allows caching of the video BIOS, resulting in better system
performance. However, if any program writes to this memory area, a system error
may result.
The choices: Enabled, Disabled.
Memory Hole At 15M-16M:
You can reserve this area of system memory for ISA adapter ROM. When this area is
reserved, it cannot be cached. The user information of peripherals that need to use
this area of system memory usually discusses their memory requirements.
The choices: Enabled, Disabled.
Delayed Transaction:
The chipset has an embedded 32-bit posted write buffer to support delay
transactions cycles. Select “Enabled” to support compliance with PCI specification
version 2.2.
The choices: Enabled, Disabled.
Delay Prior To Thermal:
Select this item allows the delay prior to thermal time.
The choices: 4Min, 8Min, 16Min and 32Min.
AGP Aperture Size (MB):
This field determines the effective size of the Graphic Aperture used for a particular
GMCH configuration. It can be updated by the GMCH-specific BIOS configuration
sequence before the PCI standard bus enumeration sequence takes place. If it is not
updated then a default value will select an aperture of maximum size.
The choices: 4, 8, 16, 32, 64, 128 and 256.
**On-Chip VGA Setting**
On-Chip VGA:
This item allows you to control the on-chip VGA.
The choices: Enabled, Disabled.
On-Chip Frame Buffer Size:
This item allows you to control the on-chip frame buffer size.
The choices: 1M, 4M, 8M, 16M and 32M.
Boot Display:
This item allows you to select the boot display device.