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Chapter 2
Memory Hole
When enabled, you can reserve an area of system memory for ISA adapter ROM.
When this area is reserved, it cannot be cached. Refer to the user documentation
of the peripheral you are installing for more information.
The Choices: Disabled (default), 15M-16M.
Video RAM Cacheable
Enabling this option allows caching of the video RAM, resulting in better system
performance. However, if any program writes to this memory area, a system error
may result.
The Choices: Disabled (default), Enabled.
Frame Buffer Size
This item allows you to control the VGA frame buffer size.
The Choices: 8M (default), 4M, 2M.
AGP Aperture Size
Select the size of the Accelerated Graphics Port (AGP) aperture. The aperture is a
portion of the PCI memory address range dedicated for graphics memory address
space. Host cycles that hit the aperture range are forwarded to the AGP without
any translation.
The Choices: 64M (default), 32M, 16M, 8M, 4M, 128M.
OnChip USB
This should be enabled if your system has a USB installed on the system board
and you wish to use it. Even when so equipped, if you add a higher performance
controller, you will need to disable this feature.
The Choices: Enabled (default), Disabled.
USB Keyboard Support
Select Enabled if your system contains a Universal Serial Bus (USB) controller
and you have an USB keyboard.
The Choices: Enabled, Disabled (default).
2-14
BIOS Setup
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