Sony PCV-L630 - Manual (Page 27)

Configuring Your System 19
CPU Frequency Ratio Multiplier Switches
The computer ships with the FREQ Ratio multiplier set to X6.0 (see SW
table for positions of SW 1 through 4). Changing the FREQ Ratio
multiplier will not change the speed of your CPU. Do not change the
position of any switch unless directed by a technical support person.
SW
FREQ Ratio
SW 1 SW 2 SW 3 SW 4
X3.0 ON OFF ON ON
X3.5 OFF OFF ON ON
X4.0 ON ON OFF ON
X4.5 OFF ON OFF ON
X5.0 ON OFF OFF ON
X5.5 OFF OFF OFF ON
X6.0 (default) ON ON ON OFF
X6.5 OFF ON ON OFF
X7.0 ON OFF ON OFF
MAN006.VSD
O N
1 2 3 4 5 6
FREQ Ratio
O
N
1 2 3 4 5 6
ON
OFF
SW