IBM All-in-One Super7 Single Board Computer PCM-5896 - Manual (Page 35)

Chapter 2 Installation 23
S3 (1~3) CPU clock select
CPU core frequency = External CPU clock (60~100 MHz) * CPU
frequency ratio (2~5.5X). The following table shows the available
CPU external clock configurations.
CAUTION: Improper settings may damage the CPU!
1 - 3 S 2 - 3 S 3 - 3 S U P C s u B I C P
1 1 1 z H M 0 6 z H M 0 3
0 1 1 z H M 8 . 6 6 z H M 4 . 3 3
1 1 0 z H M 5 7 z H M 0 3
0 1 0 z H M 3 . 3 8 z H M 3 . 3 3
1 0 0 z H M 0 9 z H M 0 3
0 0 0 z H M 0 0 1 z H M 3 . 3 3
1 : ON 0 : OFF
*
* default