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Intel Desktop Board D915GEV/D915GUX/D915GAV/D915GAG Product Guide 
46   
 
 
Connecting USB 2.0 Headers  
Before connecting the USB 2.0 headers, observe the precautions in "Before You Begin" on 
page 27.  See Figure 22, D on page 44 for the location of the black USB 2.0 headers. 
Table 10 shows the pin assignments for the USB 2.0 headers. 
Table 10.  USB 2.0 Header Signal Names  
USB Port A 
USB Port B 
Pin 
Signal name 
Pin 
Signal name 
1 Power 
Power 
3 D- 
D- 
5 D+ 
D+ 
7 Ground 
Ground 
9 Key 
10 
No 
connect 
Note:  USB ports may be assigned as needed. 
Connecting the Front Panel Header 
Before connecting the front panel header, observe the precautions in "Before You Begin" on 
page 27.  See Figure 22, C on page 44 for the location of the multi-colored front panel header. 
Table 11 shows the pin assignments for the front panel header. 
Table 11.  Front Panel Header Signal Names 
Pin Signal 
In/Out Description 
Pin
Signal 
In/Out Description 
Hard Drive Activity LED (Orange) 
Power LED (Green) 
HD_PWR 
Out 
Hard disk LED pull-
up (330 
Ω) to +5 V 
HDR_BLNK_GRN Out 
Front panel green 
LED 
HDA# 
Out 
Hard disk active LED  4 
HDR_BLNK_YEL 
Out 
Front panel yellow 
LED 
Reset Switch (Purple) 
On/Off Switch (Red) 
5 Ground 
 
Ground 
6 SWITCH_ON#  In 
Power 
switch 
7 FP_RESET# 
In 
Reset 
switch 
8 Ground 
 
Ground 
 
 
 
 
 
N/C 
 
Not connected 
10 
No pin 
 
No pin