System Bus ClockThe System bus clock jumpers are set to the Type and Model of the Aptivacomputer. Other jumper settings are not supported and might cause systemfailures.Figure 5-2. System Bus ClockCore Bus Frequency Ratio SettingsThe Core bus frequency ratio jumpers are set to the Type and Model of theAptiva computer. Other jumper settings are not supported and might causesystem failures.Figure 5-3. Core Bus Frequency Ratio SettingsFunction Jumper 66.6 MHz 60 MHz 50 MHzSystem Bus Clock JP2 1-3, 2-4 3-5, 4-6 3-5, 2-4Function Jumper 3:2 2:1 2.5:1 3:1Core/BusFrequencyRatioJP3 1-3, 2-4 3-5, 2-4 3-5, 4-6 1-3, 4-65-4

IBM Aptiva 2159 Manual