![](/images/new-backgrounds/1205796/205796159x1.webp)
Header Name | Function | Definition |
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| ATX12V CONN | 1: GND |
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| 2: GND |
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| 3: +12V_4P |
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| 4: +12V_4P |
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Connecting Optional Devices
Refer to the following for information on connecting the main board’s optional devices:
SATA1~2: Serial ATA connectors
These connectors are used to support the new Serial ATA devices for the highest datatransfer rates
(3.0 Gb/s), simpler disk drive cabling and easier PC assembly. It
Pin | Signal Name | Pin | Signal Name |
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1 | Ground | 2 | TX+ |
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3 | TX- | 4 | Ground |
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5 | RX- | 6 | RX+ |
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7 | Ground |
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72 | Aspire AX1400 Service Guide |