Chapter 3 BIOS Setup
Memory Hole: In order to improve performance, certain space in memory can be reserved for ISA cards.
This memory must be mapped into the memory space below 16MB.
Enabled
Memory hole supported
Disabled (default)
Memory hole not supported
P2C / C2P Concurrency: This item allows you to Enable or Disable the PCI to CPU, CPU to PCI
concurrency. The default setting is “Enabled”.
System BIOS Cacheable: Selecting “Enabled” allows caching of the system BIOS ROM at F0000h -
FFFFFh, resulting in better system performance. However, if any program writes to this memory area, a
system error may result. The settings are “Enabled” and “Disabled”.
Video RAM cacheable: The choices: Enabled, Disabled (Default).
Frame Butter Size: The choices: 2M, 4M, 8M(Default), 16M, and 32M.
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.
AGP
–
4X Mode: Setting AGP rate to 4X or 2X.
AGP Driving Control: This item allows you to adjust the AGP driving force. Choose Manual to key in an
AGP Driving Value in the next selection. This field is recommended to set in “Auto” for avoiding any error in
your system. The default setting is “Auto”.
AGP Driving Value: This item allows you to adjust the AGP driving force.
Panel Type: Please select the type of panel you are incorporating with our single board computer. Consult
your panel manual for detail information.
CPU to PCI Write Buffer: When this field is “Enabled”, writes from the CPU to the PCI bus is buffered, to
compensate for the differences between the CPU and the PCI bus. When disabled, the writes are not
buffered and the CPU must wait until the write is complete before starting another cycle. The default
setting is “Enabled”.
PCI Dynamic Bursting: This item allows you to enable or disable the PCI dynamic bursting function.
The settings are “Enabled” or “Disabled”.
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User’s Manual
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