Datasheet

Installing and Replacing Desktop Board Components

Front Panel Header

Figure 21, C on page 43 shows the location of the multi-colored front panel header. Table 9 shows

the pin assignments for the front panel header.

Table 9. Front Panel Header Signal Names

Pin Signal In/Out Description Pin Signal In/Out Description

Hard Drive Activity LED (Yellow) Power LED (Green)

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 (Purple) On/Off Switch (Red)

5 Ground Ground 6 SWITCH_ON# In Power switch

7 FP_RESET# In Reset switch 8 Ground Ground

9 N/C Not connected 10 No pin

Alternate Power LED Header

Figure 21, B on page 43 shows the location of the alternate power LED header. If you have a

three-pin power LED cable, connect it to this header.

Chassis Intrusion Header

Figure 21, A on page 43 shows the location of the chassis intrusion header. Connect the cable to

the header.