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 25. Figure 13-E on page 38 shows the location of the front panel header. Table 5 shows the pin assignments for the front panel header.

Table 5. Front Panel Header (J9J1)

Pin

Signal

In/Out

Description

 

 

 

 

 

Hard Drive Activity LED

 

 

 

 

1

HD_PWR

Out

Hard disk LED pull-

 

 

 

up (330 ) to +5 V

 

 

 

 

3

HDA#

Out

Hard disk active LED

 

 

 

 

 

Reset Switch

 

 

 

 

5

Ground

 

Ground

 

 

 

 

7

FP_RESET#

In

Reset switch

 

 

 

 

9

+5 V

Out

Power

 

 

 

 

Pin

Signal

In/Out

Description

 

 

 

 

 

Power LED

 

 

 

 

 

2

HDR_BLNK_GRN

Out

Front panel green

 

 

 

LED

 

 

 

 

4

HDR_BLNK_YEL

Out

Front panel yellow

 

 

 

LED

 

 

 

 

 

On/Off Switch

 

 

 

 

6

SWITCH_ON#

In

Power switch

 

 

 

 

8

Ground

 

Ground

 

 

 

 

10

N/C

 

Not connected

 

 

 

 

Connecting USB 2.0 Headers

Before connecting USB 2.0 headers, observe the precautions in “Before You Begin” on page 25. Figure 13-F and -G on page 38 shows the location of the USB 2.0 headers. Table 6 shows the pin assignments for the headers.

Table 6. USB 2.0 Headers (J9F1 and J9H1)

 

USB Port A

 

 

 

Pin

 

Signal Name

 

 

 

1

 

Power

 

 

 

3

 

D-

 

 

 

5

 

D+

 

 

 

7

 

Ground

 

 

 

9

 

Key (no pin)

 

 

 

 

USB Port B

 

 

 

Pin

 

Signal Name

 

 

 

2

 

Power

 

 

 

4

 

D-

 

 

 

6

 

D+

 

 

 

8

 

Ground

 

 

 

10

 

Not connected

 

 

 

Note: USB ports may be assigned as needed.

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Intel D865GRH manual Connecting the Front Panel Header, Connecting USB 2.0 Headers