33
http://www.TYAN.com
3.9 – Frequency and Voltage Control
Options related to control CPU clock and frequency ratio.
Warning:
The following options are to be changed only by a certified technician or at TYAN’s
discretion. Damage to your processor, motherboard, memory, or any other device in your system
can be caused by mishandling the following settings.
CPU Clock Ratio
Auto
16X… 22x
Sets the CPU multiplier.
TYAN does not recommend
changing this setting from the
default setting.
Auto Detect PCI/DIMM Clk
Enabled
Disabled
Sets the BIOS to
automatically adjust CPI and
memory bus speeds
accordingly.
Spread Spectrum
Enabled
Disabled
Reduces interference on the
motherboard. Leave as
default if your system works
correctly.
CPU Host/3V66/PCI Clock
Default
100 – 152MHz
Sets the front side bus speed
of the motherboard.
Default
is recommended
