![background image](http://html.mh-extra.com/html/acer/aspire-ax1920/aspire-ax1920_service-manual_5893082.webp)
74
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
Содержание Aspire AX1920
Страница 1: ...Aspire AX1920 Desktop Computer Service Guide PRINTED IN TAIWAN ...
Страница 6: ...vi Aspire AX1920 Service Guide ...
Страница 14: ...6 Aspire AX1920 Service Guide ...
Страница 30: ...22 Aspire AX1920 Service Guide ...
Страница 52: ...44 Aspire AX1920 Service Guide ...
Страница 76: ...68 Aspire AX1920 Service Guide ...
Страница 116: ...Aspire AX1920 Service Guide 96 ...
Страница 120: ...100 ...