Product guide for Intel Desktop Board D2550DC2

Intel Desktop Board D2550DC2 Product Guide

Connecting to the Front Panel Header

Before connecting to the front panel header, observe the precautions in "Before You

Begin" on page 23. See Figure 11, D for the location of the front panel header.

Table 10 shows the pin assignments for the front panel header.

Table 10. Front Panel Header

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

Power Not Connected

9 +5 V Power 10 N/C No pin

Connecting to the Front Panel Wireless Activity LED

Header

Before connecting to the front panel wireless activity LED header, observe the

precautions in "Before You Begin" on page 23. See Figure 11, F for the location of the

front panel wireless activity LED header.

Table 11 shows the pin assignments for the front panel wireless activity LED header.

Table 11. Front Panel Wireless Activity LED Header

Pin Signal Name

1 Ground

2 MINICARD_WLAN#