Intel BLKD945GSEJT Product Guide - Page 43

Table 21. Front Panel Header, Connection Diagram for Front Panel Header

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Installing and Replacing Desktop Board Components Table 21. Front Panel Header Pin Signal In/ Out Description Pin Hard Drive Activity LED 1 HD_PWR Out Hard disk LED 2 pull-up to +5 V 3 HDA# Out Hard disk active 4 LED Reset Switch 5 Ground Ground 6 7 FP_RESET# In Reset switch 8 Power 9 +5 V Power 10 Signal In/ Out Description Power LED HDR_BLNK_GR Out N Front panel green LED HDR_BLNK_YE Out L Front panel yellow LED On/Off Switch FPBUT_IN Ground In Power switch Ground Not Connected N/C Not connected Figure 12. Connection Diagram for Front Panel Header Hard Drive Activity LED Pins Pins 1 and 3 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 SATA hard drive connected to an onboard SATA connector • A PATA hard drive connected to an onboard PATA connector • Intel Z-U130 USB Solid State Drive (or compatible device) connected to one of the front panel USB headers Reset Switch Pins Pins 5 and 7 can be connected to a momentary single pole, single throw (SPST) type switch that is normally open. When the switch is closed, the board resets and runs the POST. 43

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Installing and Replacing Desktop Board Components
43
Table 21. Front Panel Header
Pin
Signal
In/
Out
Description
Pin
Signal
In/
Out
Description
Hard Drive Activity LED
Power LED
1
HD_PWR
Out
Hard disk LED
pull-up to +5 V
2
HDR_BLNK_GR
N
Out
Front panel
green LED
3
HDA#
Out
Hard disk active
LED
4
HDR_BLNK_YE
L
Out
Front panel
yellow LED
Reset Switch
On/Off Switch
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
Figure 12.
Connection Diagram for Front Panel Header
Hard Drive Activity LED Pins
Pins 1 and 3 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 SATA hard drive connected to an onboard SATA connector
•
A PATA hard drive connected to an onboard PATA connector
•
Intel Z-U130 USB Solid State Drive (or compatible device) connected to one of the
front panel USB headers
Reset Switch Pins
Pins 5 and 7 can be connected to a momentary single pole, single throw (SPST) type
switch that is normally open.
When the switch is closed, the board resets and runs the
POST.