Switch Locations (2600-310/310D/310E/310ED)

Switch Locations 2600-310/310D

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 for switch settings. (** = Default setting)

CPU Settings

CPU-Type Voltage Speed Intel® P54CSLM-133 CPU 3.1V 133MHz Intel® P55C-133 MMX™ 2.45V 133MHz Intel® P55C-150 MMX™ 2.45V 150MHz Intel® P55C-166 MMX™ 2.45V 166MHz

CPU-Type	Voltage	Speed
Intel® P54CSLM-133 CPU	3.1V	133MHz
Intel® P55C-133 MMX™	2.45V	133MHz
Intel® P55C-150 MMX™	2.45V	150MHz
Intel® P55C-166 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

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

CPU Speed (SW3) Settings

CPU Speed 120MHz 133MHz ** 150MHz 166MHz Switch 1 Off ON Off ON Switch 2 ON Off ON Off Switch 3 Off Off ON ON Switch 4 ON ON ON ON

CPU Speed	120MHz	133MHz **	150MHz	166MHz
Switch 1	Off	ON	Off	ON
Switch 2	ON	Off	ON	Off
Switch 3	Off	Off	ON	ON
Switch 4	ON	ON	ON	ON

Keyboard Language (SW2, Switch 1 and 2) Settings

Keyboard Language European U.S. Germany Japanese Switch 1 ON Off ON Off Switch 2 Off Off Off ON

Keyboard Language	European	U.S.	Germany	Japanese
Switch 1	ON	Off	ON	Off
Switch 2	Off	Off	Off	ON

Password (SW2, Switch 3) Settings

Password ON Off Switch 3 Bypass Check

Password	ON	Off
Switch 3	Bypass	Check

Reserved switch (SW2, Switch 4)

Reserved ON Off Switch 4 - -

Reserved	ON	Off
Switch 4	-	-

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