Lenovo NetVista A20 Hardware Maintenance Manual (HMM) for Aptiva, IBM PC300, a - Page 119
Jumper Settings of the System Board of Machine Types 2193 and 2196, and 2196, Jumper/Settings
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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 Function Bus Frequency (MHz) 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 CPUCLK 66 100 95 100 66 97 SDRAMCLK 100 133 95 100 66 129 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 JP5 Vcore Voltage 1-2 3-4 5-6 CPU Voltage Frequency 2.1V 2.2V 2.4V 119