BOXDP55SB Intel (CPU), BOXDP55SB Datasheet - Page 49

• Manufacturer Part Number: BOXDP55SB
• Manufacturer: Intel (CPU)

Specifications of BOXDP55SB

• Lead Free Status / RoHS Status: Supplier Unconfirmed

2.2.2.4
2.2.2.4.1
This section describes the functions of the front panel header. Table 18 lists the signal
names of the front panel header. Figure 12 is a connection diagram for the front panel
header.
Table 18. Front Panel 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 a SATA hard
drive or optical drive connected to an onboard SATA connector.
Pin
Hard Drive Activity LED
1
3
Reset Switch
5
7
Power
9
Signal
HD_PWR
HDA#
Ground
FP_RESET#
+5 V
Front Panel Header
Hard Drive Activity LED Header
Figure 12. Connection Diagram for Front Panel Header
In/
Out
Out
Out
In
Description
Hard disk LED
pull-up to +5 V
Hard disk active
LED
Ground
Reset switch
Power
Pin
Power LED
2
4
On/Off Switch
6
8
Not Connected
10
Signal
HDR_BLNK_GRN
HDR_BLNK_YEL
FPBUT_IN
Ground
N/C
In/
Out
Out
Out
In
Technical Reference
Description
Front panel green
LED
Front panel yellow
LED
Power switch
Ground
Not connected
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