Aspire TC-651, Service Manual, Page: 110 / 115

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SATA3 0/1/2/3: Serial ATA 6Gb/s connectors
These connectors are used to support the Serial ATA devices for the highest data transfer rates (6Gb/s),
simpler disk drive cabling and easier PC assembly. It doubles the transfer rate of current SATA 3Gb/s
interface.
Pin Signal Name Pin Signal Name
1 Ground 2 TX+
3 TX- 4 Ground
5 RX- 6 RX+
7 Ground - -
SATA2 0/1: Serial ATA 3Gb/s connectors
These connectors are used to support the Serial ATA devices for the highest data transfer rates (3Gb/s),
simpler disk drive cabling and easier PC assembly. It doubles the transfer rate of current SATA 1.5Gb/s
interface.
Pin
Signal Name Pin Signal Name
1 Ground 2 TX+
3 TX- 4 Ground
5 RX- 6 RX+
7 Ground - -
F_USB1/2: Front Panel USB headers
The onboard F_USB2 header supports four USB 2.0/1.1 ports. Additionally, some computer cases have USB
2.0 ports at the front of the case. If you have this kind of case, use auxiliary USB 2.0 connector to connect the
front-mounted ports to the motherboard.
Pin Signal Name Function
1 USBPWR 5V Front Panel USB Power
2 USBPWR 5V Front Panel USB Power
3 USB DX- USB Port12 Negative Signal
4 USB DY- USB Port13 Negative Signal
5 USB DX+ USB Port12 Positive Signal
6 USB DY+ USB Port13 Positive Signal
7 GND Ground
8 GND Ground
9 No Pin No pin
10 NC NC
Please make sure that the USB2.0 cable has the same pin assignment as indicated
above. A different pin assignment may cause damage or system hang-up.