Step 1: Set System Switch (Sw1) - Gigabyte GA-7VM400AM User Manual

Step 1: Set System Switch (SW1)

The CPU FSB can be switched by SW1 and refer to below table.
O: ON / X: OFF
ON
SW1 CPU CLOCK
100MHz
1 ON
Auto : Support FSB 266/333/400 MHz CPU
100MHz : Fix FSB 200MHz CPU
If you want to use a CPU with 200MHz FSB, please
set SW1 to 100MHz.
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SW1
1
AUTO
OFF
Hardware Installation Process