American Megatrends Apollo IV User Manual page 20

Step 3 Configure CPU,
Summary of Jumper Setting for Intel Pentium CPUs
Multi Ext.
IMI 652 Clock Generator
Speed plier Speed CLK1
233 3.5x 66
200 3x 66
166 2.5x 66
200 3x 66
166 2.5x 66
150 2.5x 60
133 2x 66
120 2x 60
100 1.5x 66
90 1.5x 60
Apollo IV PCI Pentium ISA Motherboard User's Guide
16
Continued
OCS 9147 Clock Generator
CLK2 CLK3 CLK1
P55C
P54C
CLK2 CLK3 FREQ1 FREQ FRE
2 Q3
Cont'd