
21 Chapter 2
2.5.2 Video BIOS Cacheable
Selecting Enabled allows caching of the video BIOS ROM at C0000h,
resulting in better video performance. However, if any program writes to
this memory area, a system error may result. The choices : Enabled, Dis-
abled.
2.5.3 Memory Hole at 15M-16M
In order to improve performance, certain space in memory is reserved for
ISA cards. This memory must be mapped into the memory. The choices:
Enabled, Disabled.
2.5.4 Delayed Transaction
The chipset has an embedded 32-bit posted write buffer to support delay
transaction cycles. Select Enabled to support compliance with PCI speci-
fication version 2.1
2.6 Integrated Peripherals
Figure 2.5: Integrated peripherals
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