JETWAY 920BFR3A User Manual page 14

1. Power connector: AT Power Connector (12-pin block): PW1
This connector connects to a standard AT power supply. To connect the leads from the
power supply, ensure first that the power supply is not plugged. Most power supplies
provide two plugs (P8 and P9), each containing six wires, two of which are black. Orient
the connectors so that the black wires are located in the middle.
Using a slight angle, align the plastic guide pins on the lead to their receptacles on the
connector. Once aligned, press the lead onto the connector until the lead locks into place.
2. Power Connector: ATX Power Connector (20-pin block): PW2
ATX Power Supply connector. This is a new defined 20-pins connector that usually
comes with ATX case. The ATX Power Supply allows to use soft power on momentary
switch that connect from the front panel switch to 2-pins Power On jumper pole on the
motherboard. When the power switch on the back of the ATX power supply turned on,
the full power will not come into the system board until the front panel switch is
momentarily pressed. Press this switch again will turn off the power to the system board.
3. Keyboard Connector (5-pin female): ATKB
This connection is for a standard IBM-compatible keyboard. May also be known as a 101
enhanced keyboard.
4. PS/2 Mouse Connector (5-pin block): MS_PIN1
If you are using a PS/2 mouse, you must purchase an optional PS/2 mouse set which
connects to the 5-pins block and mounts to an open slot on your computer's case.
P9 P8
Power Connector on Motherboard
Pin 1
PIN ROW2 ROW1
1 3.3V 3.3V
2 -12V 3.3V
3 GND GND
4 Soft Power On 5V
5 GND GND
6 GND 5V
Keyboard Connector (5-pins female)
Connector Plug from Keyboard
12
-5V -12V +5V
+12V PG
GND
+5V
Power Plugs from Power Supply
*
Please don't turn off / on power supply too
quickly. We recommend at least wait 4 sec
before turn on the power to protect the system.