Chapter 2 AMIBIOS Setup
53
Advanced Chipset Setup,
Continued
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.
Cont’d
