2-7 Connector Definitions
Power Connectors
A
Warning: To prevent damage to the power supply or motherboard, please use a power supply that contains a
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.
ATX Power
Pin Definitions
Pin# | Definition | Pin # | Definition | |
13 | +3.3V |
| +3.3V | |
1 | ||||
14 |
| +3.3V | ||
2 | ||||
15 | COM |
| COM | |
3 | ||||
16 | PS_ON |
| +5V | |
4 | ||||
17 | COM |
| COM | |
5 | ||||
18 | COM |
| +5V | |
6 | ||||
19 | COM |
| COM | |
7 | ||||
20 | Res (NC) |
| PWR_OK | |
8 | ||||
21 | +5V |
| 5VSB | |
9 | ||||
22 | +5V | 10 | +12V | |
23 | +5V | 11 | +12V | |
24 | COM | 12 | +3.3V | |
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12V 8-pin PWR Connector
Pin Definitions
Pins |
| Definition |
1 through 4 |
| Ground |
| ||
5 through 8 |
| +12V |
| ||
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Required Connection
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 defini- tions and status indicators.
OH/Fan Fail
LED
Pin Definitions
(JF1)
Pin# Definition
7Vcc
8Control
OH/Fan Fail
LED Status
State |
| Indication |
Solid |
| Overheat |
| ||
Blinking |
| Fan fail |
| ||
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