Intel DQ965CO DQ965CO Technical Product Specification - Page 64

Front Panel Header

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Intel Desktop Board DQ965CO Technical Product Specification 2.7.2.3 Front Panel Header This section describes the functions of the front panel header. Table 29 lists the signal names of the front panel header. Figure 17 is a connection diagram for the front panel header. Table 29. Front Panel Header In/ Pin Signal Out Description Pin Hard Drive Activity LED 1 HD_PWR Out Hard disk LED pull-up 2 to +5 V 3 HDA# Out Hard disk active LED 4 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_ Out GRN Front panel green LED HDR_BLNK_ Out YEL Front panel yellow LED On/Off Switch FPBUT_IN In Power switch Ground Ground Not Connected N/C Not connected Hard Drive Activity LED + - Reset Switch +5 V DC 12 3 4 56 78 9 Singlecolored Power LED + - Power Switch N/C Dualcolored Power LED - + OM18318 Figure 17. Connection Diagram for Front Panel Header 2.7.2.3.1 Hard Drive Activity LED Header 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 Serial ATA hard drive connected to an onboard Serial ATA connector • A Parallel ATA IDE hard drive connected to an onboard Parallel ATA IDE connector 64

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Intel Desktop Board DQ965CO Technical Product Specification
64
2.7.2.3
Front Panel Header
This section describes the functions of the front panel header.
Table 29 lists the signal
names of the front panel header.
Figure 17 is a connection diagram for the front panel
header.
Table 29. 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_
GRN
Out
Front panel green
LED
3
HDA#
Out
Hard disk active LED
4
HDR_BLNK_
YEL
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
Dual-
colored
Power LED
Single-
colored
Power LED
OM18318
Hard Drive
Activity LED
Reset
Switch
+5 V DC
N/C
Power
Switch
+
-
+
-
+
-
1
9
8
7
6
5
4
2
3
Figure 17.
Connection Diagram for Front Panel Header
2.7.2.3.1
Hard Drive Activity LED Header
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 Serial ATA hard drive connected to an onboard Serial ATA connector
•
A Parallel ATA IDE hard drive connected to an onboard Parallel ATA IDE connector