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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.