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3-56 Chapter 3: Hardware Service
Front Panel (CN1)
Box Fan
Pin Signal Name
1 +12V
2 Ground
Speaker
Pin Signal Name
3 PC_OUT#
4 SPKR_POS
Key
Pin Signal Name
5 Keyed
6 GND
Power LED
Pin Signal Name
7 +5V through 330 ohm
8 GREENCTL#
Hard Drive LED
Pin Signal Name
9 +5V
10 HDLED