2
PCM-3864/3860
Start Up Manual
The board has a number of jumpers that allow you to
configure your system to suit your application.
The table below lists the function of each of the board
jumpers and connectors:
Jumpers
Label
Function
J1
Enable watchdog timer
J3
Enable watchdog timer
J4
CMOS setup
J5
DIO port selector
J6
COM2 RS-232/422/485 selector
Connectors
Label
Function
CN1
PC/104 connector
CN2
PC/104 connector
CN3
COM1 connector
CN4
COM2 connector
CN5
Digital I/O port
CN6
PS/2 keyboard connector
CN7
CRT display connector (PCM-3864 only)
CN8
Power connector (-5 V, -12 V)
CN9
Hard disk connector
CN10
Floppy disk connector
CN11
Parallel port connector
CN12
LCD connector (PCM-3864 only)
CN13
Power connector (+5 V, +12 V)
SW1
Reset switch
Jumper settings
J1 & J3: Watchdog timer enable/disable
enable
*disable
J1
J3
Jumpers and connectors
Jumpers and connectors
Jumpers and connectors
Jumpers and connectors
Jumpers and connectors
J4
J3
J1
J5
J6
Mechanical and environmental
•
Dimension (L x W): 145 mm x 102 mm (5.9" x 4.2")
•
Power supply voltage: +5 V (4.75 ~ 5.25 V)
•
Power requirements: +5 V @ 1.5 A (typical)
•
Operating temperature: 0 ~ 60° C (32° ~ 140° F)
•
Weight: 0.2 kg
J4: CMOS setup
*3.6 V battery on
Clear CMOS
J4
1-2
2-3
J5: DIO port selector
*340 H
240 H
J5
J6: COM2 selector
*RS-232
RS-422
RS-485
J6
1
3
5
1
3
5
2
4
6
2
4
6
Locating Jumpers
