American Megatrends Olympus Pentium II PCI ISA Manual page 59

Advanced Chipset Setup,
Memory Hole This option specifies the location of an area of memory that cannot be addressed
on the ISA bus. The settings are Disabled, 15 MB-16 MB, or 512KB-640KB.
The Optimal and Fail-Safe default settings are Disabled.
ACPI Control Register Set this option to Enabled to enable the ACPI (Advanced Configuration
and Power Interface) control register. The settings are Enabled or Disabled. The
Optimal and Fail-Safe default settings are Enabled.
Graphics Aperture Size This option specifies the amount of system memory that can be used by
the Accelerated Graphics Port (AGP). The settings are 4 MB, 8 MB, 16 MB, 32
MB, 64 MB, 128 MB, or 256 MB. The Optimal and Fail-Safe default settings are
64 MB.
AGP Mlti-Trans Timer (AGP Clocks) This option sets the AGP multi-trans timer. The settings
are in units of AGP Clocks. The settings are 32, 64, 96, 128, 160, 192, 224, or
Disabled. The Optimal default setting is 32. The Fail-Safe default setting is
Disabled.
AGP Low-Priority Timer (AGP Clks) This option sets the AGP low-priority timer. The settings
are in units of AGP Clocks. The settings are 16, 32, 48, 64, 80, 96, 112, 128,
144, 160, 176, 192, 208, 224, or Disabled. The Optimal default setting is 16.
The Fail-Safe default setting is Disabled.
8-Bit I/O Recovery Time This option specifies the length of a delay inserted between
consecutive 8-bit I/O operations. The settings are Disabled, 1 SYCLK, 2
SYSCLKs, 3 SYSCLKs, 4 SYSCLKs, 5 SYSCLKs, 6 SYSCLKs, or 8 SYSCLKs.
The Optimal and Fail-Safe default settings are Disabled.
Continued
Cont'd
Chapter 2 AMIBIOS Setup 53