72 Aspire AX1400 Service GuideConnecting Optional DevicesRefer to the following for information on connecting the main board’s optional devices:SATA1~2: Serial ATA connectorsThese 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 ParallelATA interface. But maintains register com-patibility and software compatibility with Parallel ATA.ATX12V CONN 1: GND2: GND3: +12V_4P4: +12V_4PPin Signal Name Pin Signal Name1 Ground 2 TX+3 TX- 4 Ground5 RX- 6 RX+7 GroundHeader Name Function Definition
