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Appendix C Pin Assignments 99
C.16 Front panel connector (CN18)
Table C-16: Front panel connector (CN18)
Pin Signal
1 HDD LED- (HARD DISK ACTIVE)
2 HDD LED+ (V
CC
)
3 SPEAKER+
4 SPEAKER- (GND)
5 GND
6 WATCHDOG OUTPUT*
7 RESET SWITCH- (GND)
8 RESET SWITCH+
* low active
C.17 USB connectors (CN19)
Table C-17: USB connectors (CN19)
Pin Signal Pin Signal
1 +5 V 2 +5 V
3 UV0- 4 UV1-
5 UV0+ 6 UV1+
7 GND 8 GND
9 Chassis GND 10 NC
48
93
10
71
26
5
4
8
371
2
6
5