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2.8.3.1
Auxiliary Front Panel Power/Sleep LED Connector
Pins 1 and 3 of this connector duplicate the signals on pins 2 and 4 of the front panel connector.
Table 31 lists the signal names of the Auxiliary Front Panel Power/Sleep LED Connector.
Table 31.
Auxiliary Front Panel Power/Sleep LED Connector
Pin
Signal Name
1
HDR_BLNK_GRN
2
Not connected
3
HDR_BLNK_YEL
2.8.3.2
Front Panel Connector
This section describes the functions of the front panel connector. Table 32 lists the signal names of
the front panel connector. Figure 8 is a connection diagram for the front panel connector.
Table 32.
Front Panel Connector
Pin
Signal
Hard Drive Activity LED
1
HD_PWR
3
HAD#
5
Ground
7
FP_RESET#
9
+5 V
Hard Drive
Activity LED
In/Out
Out
Out
In/Out
Description
Out
Hard disk LED pull-up
(750 Ω) to +5 V
Out
Hard disk active LED
Reset Switch
Ground
In
Reset switch
Out
Power
+
1
−
3
5
Reset
Switch
7
9
+5 V DC
Figure 8. Connection Diagram for Front Panel Connector
Description
Front panel green LED
Front panel yellow LED
Pin
Signal
In/Out
Power LED
2
HDR_BLNK_
Out
GRN
4
HDR_BLNK_
Out
YEL
On/Off Switch
6
SWITCH_ON#
8
Ground
10
No connect
Single-colored
Power LED
+
2
−
4
6
Power
Switch
8
N/C
Technical Reference
Description
Front panel green
LED
Front panel yellow
LED
In
Power switch
Ground
Not connected
Dual-colored
Power LED
−
+
OM16110
53
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