Abit PR5 User Manual page 29

DS & VC DIP Switch Block Locations
VC Block
DS Block
DS5 ISA Bus Clock Settings
External Clock
5 0Mh z
6 0 M H z
6 6 M H z
Note:
The suggested setting is highlighted in bold face type in the chart.
DS5 ON: ISA Bus Clock = External Clock ÷ 8
DS5 OFF: ISA Bus Clock = External Clock ÷ 6
Factory default setting is ON
D S 5 Bus Clock
O n 6 . 2 5 M H z
Off 8 . 3 3 M H z
O n 7 . 5 M H z
Off 1 0 M H z
O n 8 . 2 5 M H z
Off 1 1 M H z