IBM PC MMX Pentium HS-4500, Manual, Page: 16 / 51

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2.9 Setting the CPU of HS-4500
The HS-4500 provides all possibility in jumper setting for wide using all
types of CPU with S1 ( pin 7-16 ) for CPU Vcore Voltage, JP1 ( pin 1-8 )
for internal Host Bus Clock Rate and S1 ( pin 1-6 ) for CPU Clock-in
Multiplex Weighted Value setting as following.
Please contact with
your CPU’s supplier in getting those information for correctly
setting. Any wrong setting may cause CPU defect.
z
CPU Vcore Voltage Selection
Correspond to different type CPU, it is request to set S1 ( 7-16 ) for
match the CPU's Vcore operating voltage. Here shows at below of the
proper jumper settings for their respective Vcore at range 1.8V to 3.5V.
CPU Vcore Voltage S1 ( 7-16 )
1.8V 9-10, 13-14, 15-16
1.9V 11-12, 13-14, 15-16
2.0V 9-10, 11-12, 13-14,
15-16
2.1V 7-8
2.2V 9-10
2.3V 7-8, 9-10
2.4V 11-12
2.5V 7-8, 11-12
2.6V 9-10, 11-12
2.7V 7-8, 9-10, 11-12
2.8V 13-14
*2.9V 7-8, 13-14
3.0V 9-10, 13-14
3.1V 7-8, 9-10, 13-14
3.2V 11-12, 13-14
3.3V 7-8, 11-12, 13-14
3.4V 9-10, 11-12, 13-14
3.5V 7-8, 9-10, 11-12, 13-14