Shuttle XPC SK21G, User Manual

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8
English
Pin Assignments (JP9):
1=HDLED_PU
2=GLEDA
3=HDLED 4=GLEDB
5=Reset_SW 6=Power_SW
7=GND 8=GND
9=NC 10=KEY
@
Front Panel Connector (JP3/JP9)
Header JP3can be used to provide operation status signals to the front daughterboard.
Note that this is an alternative header to the 50pins streamline header that also con-
nects the motherboard to the front daughterboard.
Headers JP9 is used to connect cable to front panel connector mounted on front-panel
or back-panel. The front panel is where the hard drive activity lights, reset button, on/
off button, computer power on light, USB connectors, 1394 connectors, and audio
headers, are located.
2
JP 3
1
2
49
50
@
Dual USB Header (JP4)
The header is used to connect auxillary USB devices to the mainboard. The header is
directional and will only allow USB cables to be connected in one direction.
Pin Assignments (JP4):
1=VCC
3=Data0-
5=Data0+
7=Ground
9=Key
2=VCC
4=Data1-
6=Data1+
8=Ground
10=NC
1
- +
RST HLED
PWON
GLED
PWR LED
JP 9
- +
-
+