User manual

5 PCA-6742 User Manual
Chapter 2 Connecting Peripherals
2.2 Jumpers and Connectors
Connectors on the board link it to external devices such as hard drives, a keyboard or
expansion bus connectors. The board also has a number of jumpers that allow you to
configure your system to suit your application. The table below lists the function of
each jumper:
The following table lists the connectors on the PCA-6742.
Table 2.1: Jumpers
Label Function
CMOS1 CMOS Clear
JSETCOM2 COM2 function selection
JWDT1 Watchdog timer output selection
JOBS1 HW Monitor Alarm
VGASW1 & VGASW2 LCD setting switch
Table 2.2: Connectors
Label Function
JFP1(1-2) HDD LED
JFP1(3-4) Power LED
JFP1(5-6) N/C
JFP1(7-8) Reset switch
JFP1(9-10) N/C
JFP2(1-2) Fail LED
JFP2(3-4) Buzzer Enable
JIR1 IR connector
IDE1 IDE connector (Primary channel)
CF1 CF connector (Secondary channel)
LPT1 Parallel port
USB12 USB port 1,2
USB34 USB port 3,4
COMD1 Serial Port: COM1
COM2 Serial Port: COM2 (RS232/422/485)
COM34 Serial Port COM3/COM4
KBMS1 PS/2 keyboard and mouse connector
KBMS2 External keyboard and mouse connector
VGA1 VGA connector
LAN1 10/100 Ethernet connector
LANLED1 Front Panel LAN Indicator connector
JCASE1 Case Open
SYSFAN1 FAN connector (3-pin)
PWR1 AT power connector
GPIO1 GPIO pin header
BT1 RTC battery connector
LCD1 LCD connector
LVDS1 LVDS connector
INV1 Inverter connector
JTAG1 JTAG connector
PC104 PC-104 connector