Intel D845EPI Intel Desktop Board D845EPI Product Guide English - Page 35

Connecting the Front Panel Header, Installing a USB 2.0 Solution, Table 7., Front Panel Header J9G1

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Installing and Replacing Desktop Board Components Connecting the Front Panel Header Before connecting the front panel header, observe the precautions in "Before You Begin" on page 21. Table 7 shows the pin assignments for the front panel header. Table 7. Front Panel Header (J9G1) Pin Signal In/Out Description Hard Drive Activity LED Pin Signal In/Out Description Power LED 1 HD_PWR Out Hard disk LED pull-up 2 HDR_BLNK_GRN Out Front panel green (330 Ω) to +5 V LED 3 HDA# Out Hard disk active LED 4 Reset Switch HDR_BLNK_YEL Out Front panel yellow LED On/Off Switch 5 Ground Ground 6 FPBUT_IN In Power switch 7 FP_RESET# In Reset switch Power 8 Ground Ground Not Connected 9 +5 V Power 10 N/C Not connected Installing a USB 2.0 Solution Before installing a USB 2.0 solution, observe the precautions in "Before You Begin" on page 21. Table 8 shows the pin assignments for the USB 2.0 header. Table 8. Pin 1 3 5 7 9 USB 2.0 Header (J9F2) Signal Name Power DD+ Ground Key (no pin) Pin Signal Name 2 Power 4 D- 6 D+ 8 Ground 10 Not connected Note: USB ports may be assigned as needed. 35

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Installing and Replacing Desktop Board Components
35
Connecting the Front Panel Header
Before connecting the front panel header, observe the precautions in
“
Before You Begin
”
on
page 21.
Table 7 shows the pin assignments for the front panel header.
Table 7.
Front Panel Header (J9G1)
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
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
Installing a USB 2.0 Solution
Before installing a USB 2.0 solution, observe the precautions in
“
Before You Begin
”
on page 21.
Table 8 shows the pin assignments for the USB 2.0 header.
Table 8.
USB 2.0 Header (J9F2)
Pin
Signal Name
Pin
Signal Name
1
Power
2
Power
3
D-
4
D-
5
D+
6
D+
7
Ground
8
Ground
9
Key (no pin)
10
Not connected
Note:
USB ports may be assigned as needed.