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Aspire AX1920 Service Guide
F_USB1~3: Front Panel USB headers
The motherboard has two USB ports installed on the rear edge I/O port array.Additionally, some computer
cases have USB ports at the front of the case. If youhave this kind of case, use auxiliary USB connector to
connect the front-mountedports to the motherboard.
SPDIF_OUT1: SPDIF out header
This is an optional header that provides an S/PDIF (Sony/Philips Digital Interface)output to digital multimedia
device through optical fiber or coaxial connector.
Pin
Signal Name
Function
1
USBPWR
Front Panel USB Power
2
USBPWR
Front Panel USB Power
3
USB_FP_P0-
USB Port 0 Negative Signal
4
USB_FP_P1-
USB Port 1 Negative Signal
5
US
USB Port 0 Positive Signal
6
US
USB Port 1 Positive Signal
7
GND
Ground
8
GND
Ground
9
Key
No pin
10
USB_FP_OC0
Overcurrent signal
Pin
Signal Name
Function
1
SPDIF
SPDIF digital output
2
+5VA
5V analog Power
3
Key
No pin
4
GND
Ground
Summary of Contents for Aspire X1920
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