English
1) ATX_12V (+12V Power Connector)
This connector (ATX_12V) supplies the CPU operation voltage (Vcore).
If this "ATX_12V connector" is not connected, system cannot boot.
4 | 2 | Pin No. | Definition | |
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| 1 | GND | |
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| 2 | GND | |
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3 | 1 | 3 | +12V | |
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4 | +12V | |||
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2) ATX (ATX Power Connector)
AC power cord should only be connected to your power supply unit after ATX power cable and other related devices are firmly connected to the motherboard.
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| Pin No. | Definition | |
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| 1 | 3.3V | |
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| 2 | 3.3V | |
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| 3 | GND | |
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11 | 1 | 4 | VCC | |
5 | GND | |||
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| 6 | VCC | |
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| 7 | GND | |
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| 8 | Power Good | |
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| 9 | 5V SB (stand by +5V) | |
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| 10 | +12V | |
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| 11 | 3.3V | |
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| 12 | ||
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| 13 | GND | |
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20 | 10 | 14 | PS_ON(soft on/off) | |
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15 | GND | |||
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| 16 | GND | |
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| 17 | GND | |
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| 18 | ||
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| 19 | VCC | |
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| 20 | VCC |
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