A+ SERVER
5-9 Connector Definitions
Power Connectors
A
Warning: To prevent damage to the power supply or motherboard, please use a power supply that contains both a
ATX Power
Pin Definitions
Pin# | Definition | Pin # | Definition |
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13 | +3.3V | 1 | +3.3V |
14 | 2 | +3.3V | |
15 | COM | 3 | COM |
16 | PS_ON | 4 | +5V |
17 | COM | 5 | COM |
18 | COM | 6 | +5V |
19 | COM | 7 | COM |
20 | Res (NC) | 8 | PWR_OK |
21 | +5V | 9 | 5VSB |
22 | +5V | 10 | +12V |
23 | +5V | 11 | +12V |
24 | COM | 12 | +3.3V |
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12V
Pin Definitions
Pins | Definition |
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1 through 4 | Ground |
5 through 8 | +12V |
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Required Connection
PW_ON Connector
The PW_ON connector is on pins 1 and 2 of JF1. This header should be connected to the chassis power button. See the table on the right for pin definitions.
Reset Connector
The reset connector is located on pins 3 and 4 of JF1 and attaches to the reset switch on the computer chassis. See the table on the right for pin definitions.
Power Button
Pin Definitions
(JF1)
Pin# Definition
1PW_ON
2Ground
Reset Button
Pin Definitions
(JF1)
Pin# Definition
3Reset
4Ground
Overheat/Fan Fail LED (OH)
Connect an LED to the OH connection on pins 7 and 8 of JF1 to provide advanced warning of chassis overheating or fan failure. Refer to the table on the right for pin definitions and status indicators.
OH/Fan Fail LED
Pin Definitions
(JF1)
Pin# Definition
7Vcc
8Control
OH/Fan Fail
LED Status
State | Indication |
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Solid | Overheat |
Blinking | Fan fail |
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