Acer Veriton M4618G Service Manual page 101

SATA1: Serial ATA connectors
These connectors are used to support the Serial ATA devices for the highest datatransfer rates (6.0 Gb/s),
simpler disk drive cabling and easier PC assembly. It doublesthe transfer rate of current SATA 3.0Gb/s
interface.
Pin
1
3
5
7
SATA3~6: Serial ATA connectors
These connectors are used to support the Serial ATA 3Gb/s devices, simpler disk drivecabling and easier PC
assembly. It eliminates limitations of the current Parallel ATAinterface. But maintians register compatibility and
sofeware compatibility with PrallelATA.
Pin
1
3
5
7
F_USB1~4: Front Panel USB 2.0 headers
The motherboard has four USB 2.0 headers supporting four USB 2.0 ports. Addition-ally, some computer
cases have USB ports at the front of the case. If you have thiskind of case, use auxiliary USB connector to
connect the front-mounted ports to themotherboard.
Pin
1
2
3
4
5
6
7
8
9
10
NOTE: Please make sure that the USB cable has the same pin assignment asindicated above. A different pin
assignment may cause damage or systemhang-up.
93
Signal Name
Ground
TX-
RX-
Ground
Signal Name
Ground
TX-
RX-
Ground
Signal Name
USBPWR
USBPWR
DATA0-
DATA1-
DATA0+
DATA1+
GND
GND
NC
USB DET
Pin Signal Name
2 TX+
4 Ground
6 RX+
Pin Signal Name
2 TX+
4 Ground
6 RX+
Function
Front Panel USB Power
Front Panel USB Power
USB Port 0 Negative Signal
USB Port 1 Negative Signal
USB Port 0 Positive Signal
USB Port 1 Positive Signa
Ground
Ground
Not connected
USB DET
Chapter 5