Lenovo NetVista Hardware Maintenance Manual (HMM) for Aptiva and NetVista 2255 - Page 120
Jumper Settings of the System Board of the Machine Types 2255 and 2275
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Jumper Settings of the System Board of the Machine Types 2255 and 2275 Table 5-1.Jumper settings of the System Board of the Machine Types 2255 and 2275 Jumper/Settings Function Bus Frequency(MHz) JP4 CPUCLK 1-2 133 2-3 100 JP7 CMOS data clear-up Jumper connected 1-2 2-3 Function Normal CMOS Clear JP9 Jumper connected to Front Panel 1-2 3-4 5-8 Indication Hard Disk Drive LED Power LED Power Button 120
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Jumper Settings of the System Board of the Machine Types 2255 and 2275
Table 5-1.Jumper settings of the System Board of the Machine Types 2255 and 2275
Jumper/Settings
Function
JP4
1-2
2-3
Bus Frequency(MHz)
CPUCLK
133
100
JP7
CMOS data clear-up
Jumper connected
1-2
2-3
JP9
Jumper connected to Front Panel
1-2
3-4
5-8
Function
Normal
CMOS Clear
Indication
Hard Disk Drive LED
Power LED
Power Button