Acer Aspire X1430G Acer Aspire X1430 and X1430G Desktop Service Guide - Page 94

Header Name Function ATX12V CONN Definition 1: GND 2: GND 3: +12V_4P 4: +12V_4P Connecting Optional Devices Refer to the following for information on connecting the mainboard'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. Pin Signal Name Pin Signal Name 1 Ground 2 TX+ 3 TX- 4 Ground 5 RX- 6 RX+ 7 Ground 86 Aspire AX1430 Service Guide