IBM Aptiva 2187, Service Manual

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5-4
2187 System Board Jumper Settings
Table 5-1 Aptiva Type 2187 System Board Jumper Settings
Jumper/Settings Function
JP 2 JP 5
3-5 4-2 1-2
1-3 4-6 2-3
Bus Frequency(MHz)
CPUCLK PCICLK
95 31
100 33
CPU Core Clock Multiplier
Jumper connected
JP3 JP6
1-3 2-4 2-3
3-5 2-4 2-3
3-5 4-6 2-3
1-3 4-6 2-3
1-3 2-4 1-2
1-3 4-6 1-2
CPU Vi/o Vcore Voltage
Jumper connected
JP1
3-4
1-2
1-3
CPU Clock Frequency Ratio
5.5
5.0
4.5
4.0
3.5
6
Voltage
2.2
2.4
2.1
JP4
CMOS data clear-up
Jumper connected
1-2
2-3
J113
Jumper connected to Front Panel
1-2
3-4
J114
Jumper connected to power switch
1-2
Function
Normal
Clear
Indication
Power LED
Hard Disk Drive LED
Power Button