Acer ASPIRE M3910(G) Service Manual page 64

have this kind of case, use auxiliary USB connector to connect the front-mounted
Pin
1
2
3
4
5
6
7
8
9
10
Please make sure that the USB cable has the same pin assignment as indicated
above. A different pin assignment may cause damage or system hang-up.
COM2: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to
Pin
1
2
3
4
5
6
7
8
9
10
SPDIF_OUT1: SPDIF out header
This is an optional header that provides an SPDIF_OUT (Sony/Philips Digital Interface)
multimedia device through optical fiber or coaxial connector.
Chapter 5
Signal Name
USBPWR me
USBPWR
USB_FP_P0-
USB_FP_P1-
USB_FP_P0+
USB_FP_P1+
GND
GND
Key
USB_FP_OC0
Signal Name
DCD me Data Carrier Detect
SIN Serial Input
SOUT UART B Serial Output
DTR UART B Data Terminal Ready
GND Ground
DSR Data Set Ready
RTS RART B Request to Send
CTS Clear to Send
RI Ring Indicator
NC No pin
ports to the motherboard.
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 Signal
Ground
Ground
No pin
NC
Function
your system.
output to digital
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