|
DG33FB Datasheet, PDF (47/88 Pages) Intel Corporation – Technical Product Specification | |||
|
◁ |
Technical Reference
2.2.2.5 Front Panel Header
This section describes the functions of the front panel header. Table 20 lists the signal
names of the front panel header. Figure 11 is a connection diagram for the front panel
header.
Table 20. 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
Figure 11. Connection Diagram for Front Panel Header
2.2.2.5.1
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
47
|
▷ |