Aptiva 2161 Motherboard and Processor Jumpers

Motherboard

 

System Bus Clock

Function Jumper 75Mhz 66Mhz 60Mhz 55Mhz
System Bus Clock JP2 3-5, 2-4 1-3, 2-4 1-3, 4-6 3-5, 4-6

Processor Speed

P54C or P55C Processors, MHz JP2 JP3
133 MHz/66.6 MHz 1-3, 2-4 1-3, 4-6
166 MHz/66.6 MHz 1-3, 2-4 1-3, 2-4
200 MHz/66.6 MHz 1-3, 2-4 3-5, 2-4

Core/Bus Frequency Ratio Settings

Function Jumper 3:2 2:1 2.5:1 3:1
Core/Bus Frequency Ratio JP3 3-5, 4-6 1-3, 4-6 1-3, 2-4 3-5, 2-4




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