User manual

Installing and Configuring Motherboard Options

CPU / Bus Speed / Clock Ratio Jumpers

These jumpers set the CPU, PCI, and ISA bus frequencies and the clock ratio. The

jumpers should be changed only when you upgrade the CPU.

CPU / BUS Spees / Clock Ratio Jumpers

CPU SPEED J2 J3 J4 J5 JB1

PENTIUM 75 MHz 1 2 3 ON ON OFF

1 2

3 4

5 6

PENTIUM 90 MHz 1 2 3 ON OFF ON

1 2

3 4

5 6

PENTIUM 100 MHz 1 2 3 OFF ON ON

1 2

3 4

5 6

PENTIUM 120 MHz 1 2 3 ON OFF ON

1 2

3 4

5 6

PENTIUM 133 MHz 1 2 3 OFF ON ON

1 2

3 4

5 6

PENTIUM 150 MHz 1 2 3 ON OFF ON

1 2

3 4

5 6