Chapter 2 Installation 31
Front panel connector (CN6)
Next you may want to install external LED and switches to
monitor and control the mainboard. These features are complete-
ly optional. Install them only if you need them. The front panel
connector (CN6) is an 8-pin male, dual in-line header and
provides connections for a speaker, hard disk access indicator,
and an input switch for resetting the card.
Front panel connector (CN6)
Pin Signal
1 HDD LED- (Hard disk active)
2 HDD LED+ (V
CC
)
3 Speaker+
4 Speaker- (GND)
5NC
6 GND
7 Reset switch+
8 Reset switch- (GND)
Speaker
The mainboard can drive an 8Ω external speaker at 0.5 watts. If
there is no external speaker, the PCM-5896 provides an on-board
buzzer as an alternative.
LED interface
The front panel LED indicator for hard disk access is an active low
signal (24 mA sink rate).
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