72 Aspire AX1400 Service Guide
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 elimi-nates limitations of the current Parallel
ATA interface. But maintains register com-patibility and software compatibility with Parallel ATA.
ATX12V CONN 1: GND
2: GND
3: +12V_4P
4: +12V_4P
Pin Signal Name Pin Signal Name
1Ground 2TX+
3TX- 4Ground
5RX- 6RX+
7Ground
Header Name Function Definition