SOYO SY-7VCA - Manual (Page 49)

Hardware Installation SY-7VCA
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Step 1.
Select [STANDARD CMOS SETUP]
Set [Date/Time] and [Floppy drive type], then set [Hard Disk Type] to
“Auto”.
Step 2.
Select [LOAD SETUP DEFAULT]
Select the “LOAD SETUP DEFAULT” menu and type “Y” at the prompt
to load the BIOS optimal setup.
Step 3.
Select [SOYO COMBO SETUP]
Move the cursor to the [CPU Frequency] field to set the CPU frequency.
Available [CPU Frequency] settings on your SY-7VCA Motherboard are
detailed in the following table.
If you set this field to [Manual], you are then required to fill in the next
two consecutive fields: (1) the CPU Host/PCI Clock, and (2) the CPU
Ratio.
CPU Frequency (MHz) 500MHz (100 x 5.0) 533MHz (133 x 4.0)
Manual 550MHz (100 x 5.5) 600MHz (133 x 4.5)
400MHz (66 x 6.0) 600MHz (100 x 6.0) 666MHz (133 x 5.0)
433MHz (66 x 6.5) 650MHz (100 x 6.5) 733MHz (133 x 5.5)
466MHz ( 66 x 7.0) 700MHz(100 x 7.0) 800MHz (133 x 6.0)
500MHz( 66 x 7.5) 750MHz (100 x 7.5) 866MHz (133 x 6.5)
533MHz ( 66 x 8.0) 800MHz (100 x 8.0) 933MHz (133 x 7.0)
366MHz (66 x 5.5) 450MHz (100 x 4.5)
Select the working frequency of your Pentium ® III, Celeron  processor among these preset values.
Note: Mark the checkbox that corresponds to the working frequency of your Pentium ® III,
Celeron  processor in case the CMOS configuration should be lost.
Step 4.
Select [SAVE & EXIT SETUP]
Press to save the new configuration to the CMOS memory, and
continue the boot sequence.