Connection Diagram For Front Panel Header; Front Panel Header - Intel BLKDH57DD Technical Product Specification

Intel Desktop Board DH57DD Technical Product Specification
2.2.2.4

Front Panel Header

This section describes the functions of the front panel header. Table 28 lists the signal
names of the front panel header. Figure 11 is a connection diagram for the front panel
header.
Table 28. Front Panel Header
Pin Signal
Hard Drive Activity LED
1 HD_PWR
3 HDA#
Reset Switch
5 Ground
7 FP_RESET#
Power
9 +5 V
Figure 11. Connection Diagram for Front Panel Header
2.2.2.4.1 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 an internal storage device. Proper LED function requires
a SATA hard drive or optical drive connected to an onboard SATA connector.
48
In/
Out Description
Out Hard disk LED
pull-up to +5 V
Out Hard disk active
LED
Ground
In Reset switch
Power
In/
Pin Signal Out
Power LED
2 FP_LED+ Out
4 FP_LED− Out
On/Off Switch
6 PWR# In
8 Ground
Not Connected
10 N/C
Description
Front panel green
LED
Front panel yellow
LED
Power switch
Ground
Not connected