Switch locations, Cpu settings, Cpu voltage (s1) settings – IBM 310ED User Manual
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Switch Locations
There are two switches on the system board.
CPU speed
Keyboard select, password enable/disable and BIOS
screen select
and another switch on the DC-DC converter.
CPU voltage
Refer to the figure and tables below on how to set these
switches.
CPU Settings
CPU Type
Voltage
Speed
Intel P54CSLM-133 CPU
3.1V
133MHZ
Intel P55C-133 CPU, MMX
2.45V
133MHZ
Intel P55C-150 CPU, MMX
2.45V
150MHZ
Intel P55C-166 CPU, MMX
2.45V
166MHZ
CPU Voltage (S1) Settings
CPU Voltage
2.35V
2.45V
2.9V
3.1V
Switch 1
Off
Off
Off
Off
Switch 2
Off
On
Off
Off
Switch 3
On
Off
Off
Off
Switch 4
Off
Off
Off
On
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IBM Mobile Systems ThinkPad 310 (D/E/ED) HMM
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