2
PCA-6741 Series Startup Manual
Jumpers and Connectors
Connectors on the board link it to external devices
such as hard disk drives, a keyboard or expansion
bus connectors. In addition, the board has a number of
jumpers that allow you to configure your system to suit
your application.
The tables below lists the function of each of the
board's jumpers and connectors:
Table 2-1: Jumpers
Label
Function
J1
CMOS Charge & Discharge
J2
LAN Power select
J P 2
RS-232/RS-422/RS-485 select
J P 3
DOC
®
2000 Address select
J P 4
Watchdog timer
Table 2-2: Connectors
Label
Function
CN1
IDE connector
CN2
FDD connector
CN3
Printer port connector
CN5
Reserved
CN6
Multiple Connector
CN7
ATX Power Standby connector
CN9
CRT Connector
CN10
PC/104 connector
CN11
LAN connector
CN12
Reserved
CN13
COM2 connector (RS-422/RS-485)
CN14
COM2 connector (RS-232)
CN15
COM1 connector
CN16
Internal Keyboard connector
CN17
AT (Big 4P) Power connector
CN18
PS2 Keyboard/Mouse connector
CN19
ISA Gold-Finger connector
CN20
CompactFlash™ connector
Mechanical and Environmental
•
Dimensions (L x W)
: 185 mm x 122 mm
•
Power supply voltage
: +5 V (4.75 V ~ 5.25 V)
•
Power requirements
: 1.39A @ 5 V (32 MB SDRAM
and DOS MODE)
•
Operating temperature
: 0 ~ 60° C (32 ~ 140° F)
•
Weight
: 0.27 kg ( 0.59 lbs.)
CN6: Multiple Connector
Pin
Function
1,3,5,7
External PCBEEP connector (5-7
Internal PCBEEP*)
2-4
Keyboard lock connector
6-8-10
Power LED connector
9-11
Reset connector
12-14-16-18-20 IR connector
13-15
HDD LED connector
17-19
ATX power button connector
J2: LAN Power Select
Pin
Function
1-2
5 V Standby
2-3
VCC*
J1: CMOS Charge & Discharge
Pin
Function
1-2
Discharge
2-3
Charge
External PCBEEP Connector (5-7 Internal PCBEEP*)
Reset Connector
HDD LED Connector
ATX Power Button Connector
Power LED Connector
Keyboard Lock Connector
IR Connector
CN6 Multiple connector location
3
2
1
3
2
1
Discharge
Charge
3
2
1
3
2
1
5 V Standby
VCC*
