Tomahawk  (S1856)  Jumper Settings

CPU Settings for 66 MHz Bus  (Bus speed set in BIOS)

Clock Speed

JP10

JP11

JP12

JP13

Multiplier

300MHz

OFF

ON

OFF

ON

x4.5

333MHz

OFF

OFF

ON

ON

x5.0

366MHz

OFF

OFF

OFF

ON

x5.5

400MHz

ON

ON

ON

OFF

x6.0

433MHz

ON

ON

OFF

OFF

x6.5

466MHz

ON

OFF

ON

OFF

x7.0

CPU Settings for 100 MHz Bus  (Bus speed set in BIOS)

Clock Speed

JP10

JP11

JP12

JP13

Multiplier

350MHz

ON

OFF

OFF

ON

x3.5

400MHz

OFF

ON

ON

ON

x4.0

450MHz

OFF

ON

OFF

ON

x4.5

500MHz

OFF

OFF

ON

ON

x5.0

Bus Speed Settings

 

Auto

66

100

JP1

1-2

2-3

Open

Hardware CMOS / Password Reset

 

Default

Reset

JP3

1-2

2-3

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