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BIOS Setup
3-13
memory area, a system error may result. Setting options: Enabled, Disabled.
Video RAM Cacheable
Selecting Enabled allows caching of the video memory (RAM) at A0000h to
AFFFFh, resulting in better video performance. However, if any program writes
to this memory area, a memory access error may result. Setting options:
Disabled, Enabled.
Delayed Transaction
The chipset has an embedded 32-bit posted write buffer to support delayed
transactions cycles so that transactions to and from the ISA bus are buffered
and PCI bus can perform other transactions while the ISA transaction is
underway. Select Enabled to support compliance with PCI specification ver-
sion 2.1. Setting options: Enabled, Disabled.
AGP Aperture Size (MB)
This setting controls just how much system RAM can be allocated to AGP for
video purposes. The aperture is a portion of the PCI memory address range
dedicated to graphics memory address space. Host cycles that hit the aperture
range are forwarded to the AGP without any translation. The option allows the
selection of an aperture size of 4MB, 8MB, 16MB, 32MB, 64MB, 128MB, and
256MB.
Delay Prior to Thermal
When the CPU temperature reaches a factory preset level, a thermal monitoring
mechanism will be enabled following the appropriate timing delay specified in
this field. With the thermal monitoring enabled, clock modulation controlled by
the processor’s internal thermal sensor is also activated to keep the processor
within allowable temperature limit. Setting options: 4 Mins, 8 Mins, 16 Mins,
32 Mins.