Technical Reference
65
2.7.2.4 Front Panel Connector
This section describes the functions of the front panel connector. Table 30 lists the signal names of
the front panel connector. Figure 20 is a connection diagram for the front panel connector.
Table 30. Front Panel Connector
Pin Signal
In/Out Description
Pin Signal
In/Out Description
Hard Drive Activity LED
[Orange]
Power LED
[Green]
1
HD_PWR
Out
Hard disk LED pull-up
(750
Ω
) to +5 V
2 HDR_BLNK_
GRN
Out
Front panel green
LED
3
HAD#
Out
Hard disk active LED
4
HDR_BLNK_
YEL
Out
Front panel yellow
LED
Reset Switch
[Blue]
On/Off Switch
[Red]
5 Ground
Ground
6 FPBUT_IN In Power
switch
7 FP_RESET#
In Reset
switch
8 Ground
Ground
Power Not
Connected
9
+5
V Power
10
N/C
Not
connected
Bl
ue
OM18250
Hard Drive
Activity LED
Reset
Switch
+5 V DC
N/C
Power
Switch
8
6
4
2
9
7
5
3
1
−
+
Single-colored
Power LED
−
+
Dual-colored
Power LED
+
−
Ora
n
ge
Gre
e
n
R
ed
Figure 20. Connection Diagram for Front Panel Connector
Summary of Contents for D975XBX
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