Intel D2500HN Product Guide for Intel Desktop Board D2500HN - Page 33

Connecting to the Front Panel Header, Table 10. Front Panel Header, Table 11. S/PDIF Header

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Installing and Replacing Desktop Board Components Connecting to the Front Panel Header Before connecting to the front panel header, observe the precautions in "Before You Begin" on page 23. See Figure 9, E for the location of the front panel header. Table 10 shows the pin assignments for the front panel header. Table 10. Front Panel Header Pin Signal In/Out Description Pin Signal In/Out Hard Drive Activity LED Power LED 1 HD_PWR Out Hard disk LED pullup (330 Ω) to +5 V 2 HDR_BLNK_GRN Out 3 HDA# Out Hard disk active LED 4 HDR_BLNK_YEL Out Description Front panel green LED Front panel yellow LED Reset Switch On/Off Switch 5 Ground 7 FP_RESET# In Ground Reset switch 6 SWITCH_ON# In 8 Ground Power switch Ground Power Not Connected 9 +5 V Power 10 N/C No pin Connecting to the S/PDIF Header Figure 9, G shows the location of the S/PDIF output header. Table 11 shows the pin assignments for the header. Table 11. S/PDIF Header Pin Signal Name 1 Ground 2 S/PDIF 3 Key (no pin) 4 + 5 VDC 33

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Installing and Replacing Desktop Board Components
33
Connecting to the Front Panel Header
Before connecting to the front panel header, observe the precautions in "Before You
Begin" on page 23.
See Figure 9, E for the location of the front panel header.
Table 10 shows the pin assignments for the front panel header.
Table 10. 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 (330
Ω
) 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
SWITCH_ON#
In
Power switch
7
FP_RESET# In
Reset switch
8
Ground
Ground
Power
Not Connected
9
+5 V
Power
10
N/C
No pin
Connecting to the S/PDIF Header
Figure 9, G shows the location of the S/PDIF output header.
Table 11 shows the pin
assignments for the header.
Table 11. S/PDIF Header
Pin
Signal Name
1
Ground
2
S/PDIF
3
Key (no pin)
4
+ 5 VDC