Sony PCV-E314DS - Manual (Page 76)

VAIO Digital Studio Reference Manual 68
Configuration Jumpers
The configuration jumpers provide for CPU speed (JP1), password clear
(JP4), and BIOS recovery (JP2) selections.
CPU Speed
The processor speed jumper (JP1) is a 2 x 4 header that is preconfigured
for the maximum speed, as shown in the following table.
JP1
CPU Clock
Speed
Pins 1 - 2 Pins 3 - 4 Pins 5 - 6 Pins 7 - 8
300 MHz ON OFF ON ON
350 MHz ON OFF ON OFF
400 MHz OFF ON ON ON
450 MHz OFF ON ON OFF
500 MHz OFF OFF ON ON
OM04588.VSD
JP1
1 2
7 8
CPU
SPEED