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A.4. Jumper Options
The remainder of this appendix describes the jumper configuration options for the 670 Series
boards.
J1
J7
J11
J14
J16
SW1 SW2
J1
External PS/2 mouse/keyboard port
J4
External CRT port
J5
Expansion port (port replicator)
J2
Parallel port
J3
Serial port
J6
FIR/audio board connector
J8
Charger connector
J10
DC-DC converter connector
J12
Debug card golden finger
Password Switch (SW1)
SW1
ON
switch 1
bypass
switch 2
-
CPU Speed Switch (SW2)
SW2
150 MHz
switch 1
ON
switch 2
OFF
switch 3
ON
switch 4
ON
Figure A- 4
Main Board Jumper Options (top side)
Service Guide
J4
J5
CN1
OFF
check
reserved
166 MHz
OFF
ON
ON
ON
J2
J3
J17
J15
CD-ROM/FDD connector
J17
Power supply board connector
CN1
LED board connector
SW2 CPU speed switch
SW1 Password switch
J16
HDD connector
J14
Keyboard transfer board connector
J11
PC Card connector
J7
Display cable connector
CPU Core Voltage
(Switch on DC-DC converter))
3.1V
switch 1
OFF
switch 2
OFF
switch 3
OFF
switch 4
ON
J6
J8
2.9V
ON
ON
OFF
OFF
J10
J12
J15
A-7
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Troubleshooting
