Product guide

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 27. Figure 13-D on page 50 shows the location of the front panel header. Table 12 shows the

pin assignments for the front panel header.

Table 12. Front Panel Header Signal Names (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 SWITCH_ON# In Power switch

7 FP_RESET# In Reset switch 8 Ground Ground

9 +5 V Out Power 10 N/C Not connected