Chipset Setup - TYAN THUNDER 2 ATX Manual

Chapter 4

Chipset Setup

Choose Chipset Setup on the AMIBIOS Setup main menu. All Chipset
Setup options are then displayed. AMIBIOS Setup can be customized.
AMIBIOS Setup can be customized via AMIBCP. See the AMIBIOS
Utilities Guide for additional information.
USB Function
Set this option to Enabled to enable USB (Universal Serial Bus)
support. The settings are Enabled or Disabled. The Optimal and Fail-
Safe default settings are Enabled.
USB Keyboard/Mouse Legacy Support
Set this option to Enabled to enable support for older keyboards and
mouse devices if the USB Function option is set to Enabled. The
settings are Enabled or Disabled. The Optimal and Fail-Safe default
settings are Disabled.
EDO DRAM Speed (ns)
This option specifies the RAS Access Time in nanoseconds for the
EDO DRAM system memory installed in this computer. The settings
are Auto (AMIBIOS automatically determines the RAS access Time
parameter), Manual, 50, 60, or 70. The Optimal and Fail-Safe default
settings are Auto.
EDO Read Burst Timing
This option specifies the timings for EDO DRAM system memory for
Read operations in burst mode. The settings are x222 or x333. The
Optimal and Fail-Safe default settings are x333. Setting this switch
incorrectly may result in system failure.
EDO Write Burst Timing
This option specifies the timings for EDO DRAM system memory for
Write operations in burst mode. The settings are x222 or x333. The
Optimal and Fail-Safe default settings are x333. Setting this switch
incorrectly may result in system failure.
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