Intel D945GNT Product Specification - Page 64

Front Panel Connector

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Intel Desktop Board D945GNT Technical Product Specification 2.8.2.5 Front Panel Connector This section describes the functions of the front panel connector. Table 29 lists the signal names of the front panel connector. Figure 21 is a connection diagram for the front panel connector. Table 29. Front Panel Connector Pin Signal In/Out Description Pin Hard Drive Activity LED [Yellow] 1 HD_PWR Out Hard disk LED pull-up 2 (750 Ω) to +5 V 3 HAD# Out Hard disk active LED 4 Reset Switch [Purple] 5 Ground Ground 6 7 FP_RESET# In Reset switch 8 Power 9 +5 V Power 10 Signal In/Out Description Power LED [Green] HDR_BLNK_ Out GRN Front panel green LED HDR_BLNK_ Out YEL Front panel yellow LED On/Off Switch [Red] FPBUT_IN In Power switch Ground Ground Not Connected N/C Not connected N/C Power Switch Dual-colored Power LED + − Single-colored Power LED − + Green Re d 9 87 65 43 21 Yellow Purple +5 V DC Reset Switch − Hard Drive + Activity LED OM17000 Figure 21. Connection Diagram for Front Panel Connector 2.8.2.5.1 Hard Drive Activity LED Connector [Yellow] Pins 1 and 3 [Yellow] can be connected to an LED to provide a visual indicator that data is being read from or written to a hard drive. Proper LED function requires one of the following: • A Serial ATA hard drive connected to an onboard Serial ATA connector • An IDE hard drive connected to an onboard IDE connector 64

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Intel Desktop Board D945GNT Technical Product Specification
64
2.8.2.5
Front Panel Connector
This section describes the functions of the front panel connector.
Table 29 lists the signal names of
the front panel connector.
Figure 21 is a connection diagram for the front panel connector.
Table 29.
Front Panel Connector
Pin
Signal
In/Out
Description
Pin
Signal
In/Out
Description
Hard Drive Activity LED
[Yellow]
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
[Purple]
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
Purple
OM17000
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
+
−
Yellow
Green
Red
Figure 21.
Connection Diagram for Front Panel Connector
2.8.2.5.1
Hard Drive Activity LED Connector [Yellow]
Pins 1 and 3 [Yellow] can be connected to an LED to provide a visual indicator that data is being
read from or written to a hard drive.
Proper LED function requires one of the following:
•
A Serial ATA hard drive connected to an onboard Serial ATA connector
•
An IDE hard drive connected to an onboard IDE connector