Peak 555A User's Guide
Switches and Connectors
2-4
S1.6
OFF
Normal
ON
Clear CMOS Data
S3 for Intel CPU
S3.1
S3.2
S3.3
S3.4
S3.5
S3.6
S3.7
S3.8
Core/Bu
s Ratio
X
X
ON
OFF
ON
OFF
1.5X
OFF
ON
X
X
ON
OFF
OFF
ON
2.0X
OFF
ON
X
X
OFF
ON
OFF
ON
2.5X
OFF
ON
X
X
OFF
ON
ON
OFF
3.0X
*OFF
*ON
X
X
*ON
*OFF
*ON
*OFF
3.5X
ON
OFF
X
X
OFF
ON
OFF
ON
4.0X
S3 for AMD CPU
S3.1
S3.2
S3.3
S3.4
S3.5
S3.6
S3.7
S3.8
Core/Bu
s Ratio
X
X
ON
OFF
ON
OFF
OFF
ON
2X
X
X
ON
OFF
OFF
ON
OFF
ON
2.5X
X
X
ON
OFF
OFF
ON
ON
OFF
3X
X
X
ON
OFF
ON
OFF
ON
OFF
3.5X
X
X
OFF
ON
ON
OFF
OFF
ON
4X
X
X
OFF
ON
OFF
ON
OFF
ON
4.5X
X
X
OFF
ON
OFF
ON
ON
OFF
5X
X
X
OFF
ON
ON
OFF
ON
OFF
5.5X
S3 for Rise CPU
S3.1
S3.2
S3.3
S3.4
S3.5
S3.6
S3.7
S3.8
Core/Bu
s
Ratio
ON
OFF
X
X
ON
OFF
ON
OFF
1.5X
ON
OFF
X
X
ON
OFF
OFF
ON
2.0X
ON
OFF
X
X
OFF
ON
OFF
ON
2.5X
ON
OFF
X
X
OFF
ON
ON
OFF
3.0X
ON
OFF
X
X
ON
OFF
ON
OFF
3.5X