Scott wrote these
JP12
1-2 3-4 5-6 7-8 Vcore
off off off ON 2.8V
off off ON ON 3.2V
off ON off off 2.2V
ON off off ON 2.9V
JP5
1-2 3-4 5-6 Bus Frequency
off off off 66MHz
ON off off 60MHz
JP5
7-8 9-10 11-12 Multiplier
off off off 3.5x
off ON off 3.0x
off ON ON 5.0x
ON off ON 4.0x
ON ON off 2.5x
ON ON ON 4.5x
From experiments that I ran using a Pentium-MMX 233
which I borrowed from another system, I also believe
the following additions are also true.
JP5
1-2 3-4 5-6 Bus Frequency
off ON off 75MHz
ON ON off 55MHz
ON ON ON 83MHz
(I tried the other settings with a 2.0x multiplier but
the system wouldn't boot.)
JP5
7-8 9-10 11-12 Multiplier
off off ON 3.5x
ON off off 2.0x