Tyan Computer GX21 - Manual (Page 104)

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CPU Clock
This setting determines the CPU clock speed. TYAN recom-
mends that you keep this at it default value to maintain stabil-
ity. The possible values are:
100MHz,133MHz or 166MHz by CPU set-
ting.
Note:
The processor speed is calculated
as CPU Clock Speed * CPU Clock Ratio.
Memory Frequency for DDR Frequency at Next Boot
This option allows you to select DRAM Speed. The possible
values are:
Auto by SPD / DDR333 / DDR400 / Auto
Load Fail-Safe Defaults
This option loads stable fail safe defaults for all BIOS options.
When you press <Enter> on this option, you get a confirma-
tion dialog box with a message that reads:
Load Fail-Safe Defaults (Y/N)? N
Pressing ‘Y’ loads the BIOS default values for the most sta-
ble, minimal-performance system operations.