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PCM-4823/L Startup Manual
Jumpers and Connectors
Jumpers and Connectors
Jumpers and Connectors
Jumpers and Connectors
Jumpers and Connectors
The PCM-4823/L 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's
jumpers and connectors:
Jumpers
Label
Function
J2
DOC
®
2000 address setting
J3
LCD power selector
J4
Clear CMOS
J6
COM2 selector
J8
Watchdog timer action
Connectors
Label
Function
CN1
Power connector (-5 V, -12 V)
CN2
Floppy disk connector
CN3
PC/104 connector
CN4
Parallel port connector
CN5
PC/104 connector
CN6
Flat panel connector
CN7
Hard disk connector
CN8
IR connector (infrared)
CN9
COM2 connector
CN10
Ethernet connector
CN11
Power connector (+5 V, +12 V)
CN12
COM1 connector
CN13
PS/2 keyboard and PS/2 mouse
CN14
CRT display connector
J5
Reset switch
J7
CPU fan connector
Jumper Settings
J2: DOC
®
2000 address setting
Pins
Address
1-2
3-4
5-6
closed
closed
closed
C800 ~ C9FF
closed
closed
open
CC00 ~ CDFF
*closed
open
closed
D000 ~ D1FF
closed
open
open
D400 ~ D5FF
open
closed
closed
D800 ~ D9FF
open
closed
open
DC00 ~ DDFF
open
open
closed
E000 ~ E1FF
open
open
open
OFF
J3: LCD power setting
Closed pins
Voltage
1-2
3.3 V
*2-3
5 V
J4: Clear CMOS
Closed pins
Result
1-2
Clear CMOS
*2-3
3 V Battery on
J6: COM2 selector
Closed pins
Result
*1-2
RS-232
3-4
RS-422
5-6
RS-485
J8: Watchdog timer action
Closed pins
Result
1-2
IRQ11
*2-3
System reset
* default setting
