Connection Diagram For Front Panel Connector; Hard Drive Activity Led Connector; Front Panel Connector - Intel BLKD945GNTL - LGA775 1066 800FSB 4DDR2 A/V Lan SATA ATX 10Pack Motherboard Technical Product Specification

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
Hard Drive Activity LED
1 HD_PWR
3 HAD#
5 Ground
7 FP_RESET#
9 +5 V
Dual-colored
Power LED
+
−
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
In/Out Description
[Yellow]
Out Hard disk LED pull-up
(750 Ω) to +5 V
Out Hard disk active LED
Reset Switch
[Purple]
Ground
In Reset switch
Power
Power
N/C
Power
Switch
Single-colored
Power LED
−
+
Figure 21. Connection Diagram for Front Panel Connector
Pin Signal In/Out
Power LED
[Green]
2 HDR_BLNK_ Out
GRN
4 HDR_BLNK_ Out
YEL
On/Off Switch
[Red]
6 FPBUT_IN In
8 Ground
Not Connected
10 N/C
9 +5 V DC
8 7
Reset
Switch
6 5
−
4 3
+
2 1
Description
Front panel green
LED
Front panel yellow
LED
Power switch
Ground
Not connected
Hard Drive
Activity LED
OM17000