Jumper Settings Of The System Board Of Machine Types 2193 And 2196 - IBM PC 300 Maintenance Service Manual

Jumper Settings of the System Board of Machine Types 2193 and 2196

Table 4-4 Jumper Settings of the System Board of Machine Types 2193
and 2196
Jumper/Settings
JP1 JP2 JP3 JP4
1-2 1-2 1-2 1-2
2-3 1-2 2-3 1-2
2-3 2-3 1-2 2-3
2-3 1-2 1-2 1-2
1-2 1-2 1-2 2-3
1-2 2-3 2-3 2-3
CPU Core Clock Multiplier
Jumper connected
JP6 JP7 JP8
2-3 1-2 1-2
1-2 1-2 2-3
1-2 2-3 2-3
2-3 2-3 2-3
2-3 1-2 2-3
1-2 1-2 1-2
JP9
CMOS data clear-up
Jumper connected
2-3
1-2
J18
Jumper connected to Front Panel
1-2
3-4
J15
Jumper connected to power switch
1-2
JP5
Vcore Voltage
1-2
3-4
5-6
Function
Bus Frequency (MHz)
CPUCLK SDRAMCLK
66 100
100 133
95 95
100 100
66 66
97 129
CPU Clock Frequency Ratio
6.0
5.5
5.0
4.5
4.0
3.0
Function
Normal
Clear
Indication
Power LED
Hard Disk Drive LED
Power Button
CPU Voltage Frequency
2.1V
2.2V
2.4V
119