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Chapter 7 Power and Signal Distribution
Power Button/LED (F_P) Header
HD LED Cathode 1 HD LED Anode 3 GND 5 M Reset 7 +5 VDC 9 NC 11 GND 13 NC 15
Chassis ID1 17
2PS LED cathode
4PS LED anode
6PWR Btn
8GND
10Chassis ID0
12GND
16+5 VDC
18GND
Front Panel Audio (Audio 1) Header
Mic Audio 1
Mic Bias 3
HP R 5
Option Det 7
HP L 9
2GND
4Vdd
6HP BK R
10 HP BK L
Front Panel USB (USB 4/5) Header
Vcc 1 USB A - 3
USB A + 5 Option Det 7
2 Vcc
4USB B -
6USB B +
8GND
10NC
CD ROM Audio (CD1)Header
1 Audio (Left Channel)
2 Ground
3 Ground
4 Audio (right channel)
Figure 7-6. Miscellaneous Header Pinouts
Second Edition - April 2003