2.15 External Rear Panel I/O Ports
There are 5 kinds of external connectors on the motherboard. The view angle of the drawing
shown on next page is from the back panel of the housing.
1. PS/2 Mouse Port (Green, 6-pin MOUSE)
The onboard PS/2 Mouse port is a 6-pin Mini-Din connector marked “MOUSE”
2. PS/2 Keyboard Port (Purple, 6-pin KB)
The onboard PS/2 Keyboard port is a 6-pin Mini-Din connector marked “KB”.
3. Universal Serial Bus (USB) Ports 1 & 2 (Black, two 4-pin USBs)
You can attach USB devices to the USB port. The motherboard contains two USB ports,
which are marked as “USB”. (USB Ports 3 & 4 are on-board connectors with 2x5
Header.(See page21 for the location and details)
4. Parallel Port (Burgundy, 25-pin PRN)
The onboard printer port is a 25-pin D-type connector marked “PRN”.
2.14 Power Connector (20-pin PWR-CONN)
Make sure to plug the ATX power supply connector in the right direction. The pin definition is
shown below. Make sure that your ATX power supply can support at least 720mA on the
standby lead.
PSON# : Power Supply on
Power Good
+3.3V
+3.3V
GND
+5.0V
GND
+5.0V
GND
+5.0V Standby
+12.0V
+3.3V
-12.0V
GND
PSON#
-5.0V
+5.0V
+5.0V
GND
GND
GND
Power Connectors
Transcend
17
HARDWARE INSTALLATION
