Intel I815E User Manual download pdf (Page 39)

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.

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Intel I815E User Manual Page 39