Manual Number: 00431-220-5
Page A-12
SB586T Series Manual
Chapter 4: Advanced Chipset Setup
Choose Advanced Chipset Setup from the AMIBIOS HIFLEX Utility Setup main menu. All Chipset
Setup options are then displayed and are described in this chapter.
Global Triton2 Enable
Set this option to ENABLED to enable the Triton II chipset. The settings are ENABLED
or DIS-
ABLED
.
The optimal and fail-safe default settings are
ENABLED.
Memory Hole
This option allows the end user to specify the location of a memory hole. The settings are DIS-
ABLED, 512-640K, or 15-16M (from 15 MB to 16 MB). The optimal and fail-safe default settings
are
DISABLED.
IRQ12/M Mouse Function
Set this option to ENABLED to have AMIBIOS support the onboard PS/2-type mouse. The set-
tings are ENABLED or DISABLED. The optimal and fail-safe default settings are
ENABLED
.
If you need to use IRQ12 for other hardware in the system, you must disable the IRQ12/M mouse
function and remove the JP1 jumper.
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 (SYSCLK), 2 (SYSCLKs), 3 (SYSCLKs), 4 (SYSCLKs), 5 (SYSCLKs),
6 (SYSCLKs), or 7 SYSCLKs. The optimal and fail-safe default settings are
1.
16-Bit I/O Recovery Time
This option specifies the length of a delay inserted between consecutive 16-bit I/O operations. The
settings are DISABLED, 1 (SYSCLK), 2 (SYSCLKs), 3 (SYSCLKs), or 4 (SYSCLKs)
.
The
optimal and fail-safe default settings are
1.
DRAM Timings
This option specifies the RAS access time for the DRAM used in the computer for system memory.
The settings are 60ns, MANUAL, or 70ns. The optimal and fail-safe default settings are
60ns.
Refresh Rate
This option specifies the system memory refresh rate. The settings are 50 MHz, 60 MHz, or 66
MHz
.
The optimal and fail-safe default settings are
66 MHz.