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Power Connectors
COM 2
COM 1
Use a power supply that complies with the A
An ATX12V power supply unit has a standard 24-pin A TX main power connector that must be
inserted into the 24-pin connector . The 8-pin +12V power connector enables the deliv
more +12VDC current to the processor 's Voltage Regulator Module (VRM).
The power connectors from the power supply unit are designed to fit the 24-pin and 8-pin
connectors in only one orientation. Mak e sure to find the proper orientation bef
the connectors.
The system board requires a minimum of 300 W
configuration (CPU power, amount of memory , add-in cards, peripher als, etc.) ma y ex ceed the
minimum power requirement. T o ensure that adequate power is pro vided, we strongly recom-
mend that y ou use a minimum of 400 W att (or greater) power supply .
Important:
Insufficient power supplied to the system ma y result in instabilit y or the add-in boards
and peripherals not f unctioning properly. Calculating the system' s approximate power
usage is important to ensure that the power supply meets the system' s consumption
requirements.
Chapter 2 Hardw are Installation
+12V
1
5
Power
+12V
Ground
4
8
12 24
GND
+3.3V
+12V
+5V
ATX power
+12V
+5V
+5V
+5VSB
PWR_OK
-5V
GND
GND
GND
+5V
GND
GND
+5V
PS_ON#
GND
GND
+3.3V
-12V
+3.3V
+3.3V
1
13
TX12V P ower Supply Design Guide V ersion 1.1.
ery of
ore plugging
att power supply to oper ate. Y our system
Chapter 2
Chassis Intrusion Connector
COM 2
COM 1
The board supports the chassis intrusion detection f
sensor cable from the chassis to this connector . When the system' s power is on and a chassis
intrusion occurred, an alarm will sound. When the system' s power is of f and a chassis intrusion
occurred, the alarm will sound only when the system restarts.
25
Chassis
Intrusion
Signal
1
Ground
2
unction. Connect the chassis intrusion
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