PCA-6781 Startup Manual
Specifications
Mechanical and Enviromental
Size/Weight:
185 mm x 122 mm (7.3” x 4.8”), 0.27 Kg (0.59 lb)
Power Supply Voltage: +5 V, +12 V, ±5%
Power requirements:
- Max:
2.26 A @ 5 V, 0.5 A@12 V
- Typical:
1.22 A @ 5 V (w/Celeron M 1 G + 256 MB RAM)
0.01 A @ 12 V (w/Celeron M 1 G + 256 MB RAM)
Environment: 0 ~ 60°C (32 ~ 140°F), operation
Operating Humidity: 0%~90% relative humidity, noncon-
densing
Note: If your PSU doesn’t have +12 V output (+5 V
only), PCA-6781 needs to go T-part number to
add the components for the 5 V to 12V convert-
ing circuit, but LVDS and PC104 also cannot be
used 5 V only.
Jumpers and Connectors
Connectors on the board link it to external devices, such as
hard disk drives, a keyboard or expansion bus connectors.
In addtion, 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 jumpers and
connectors.
Jumpers
Label
Function
J1
LVDS Voltage choose
J2
VBR
J3
AT/ATX Power choose jumper
J4
CLEAR CMOS
J5
232/422/485 SEL
•
•
•
•
•
Connectors
Label
Function
CN1
HDD LED/Reset/Power Button
CN2
Floppy Connector
CN3
Printer Port Connector
CN4
Primary IDE Connector
CN5
IR Connector
CN6
LCD Inverter Connector
CN7
Audio Interface Connector
CN8
LVDS Connector
CN9
USB port 1,2 Connector
CN10
D-SUB VGA Connector
CN11
USB port 3,4 Connector
CN12
PC104 Connector
CN13
LAN RJ45 Connector
CN14
COM port 2 (RS-232/422/485)
CN15
COM port 1 (RS-232)
CN16
Main Power Connector
CN17
Negative Power Input Connector
CN18
External KB/mouse Connector
CN19
KB/mouse Connector
CN20
+5 V FAN Connector
CN21
ISA Golden Finger
CN22
+12 V FAN Connector
CN23
ATX Suspend power connector
CN24
CF Connector
CN25
System Fan
CN26
SMBUS Connector
CN27
Hardware fail LED
Jumpers and Connectors
