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BIOS SETUP
I815E User’s Manual 35
Video BIOS Cacheable
The Setting Enabled allows caching of the video BIOS ROM at
C0000h-F7FFFh, resulting in better video performance. However, if any
program writes to this memory area, a system error may result.
CPU Latency Timer
The default setting for the CPU Latency Timer is Enabled.
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 2.1.
AGP Aperture Size
The field sets aperture size of the graphics. 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 default setting is 64M.
System Memory Frequency
This field sets the frequency of the memory installed in the board. The
default setting is 100MHz.
On-Chip Video Window Size
The setting choices for the On-Chip Video Window Size are 64MB and
32MB. By default, this option is set to 64MB.