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Quick Installation Guide
Function Select Header (JP 6)
Next you may want to install external switches to monitor and
control the mainboard. These features are completely optional —
install them only if you need them. The front panel connector (JP6)
is an 16-pin male, dual in-line header and provides connections for
a speaker, hard disk access indicator and an input switch for
resetting the card.
Speaker
The mainboard can drive an 8Ω external speaker at 0.5 watts. If
there is no external speaker, the SBC-776 provides an onboard
buzzer as an alternative.
LED interface
The front panel LED indicator for hard disk access is an active low
signal (24 mA sink rate).
1
3
5
7
9
11
13
15
2
Power Button
4
Reset Switch
6
Suspend Switch
8
Hard Disk LED
10 Power LED
12 Supend LED
14 SCSI LED
16
Chassis Open Detected
SBC-776 Installation Guide
13
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