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 21. Table 7 shows the pin assignments for the front panel header.

Table 7. Front Panel Header (J9G1)

Pin

Signal

In/Out

Description

Pin

 

 

 

 

 

 

 

 

 

 

 

Hard Drive Activity LED

 

1

HD_PWR

Out

Hard disk LED pull-up

2

 

 

 

(330 ) to +5 V

 

 

 

 

 

 

3

HDA#

Out

Hard disk active LED

4

 

 

 

 

 

 

 

 

 

 

Signal

In/Out

Description

 

 

 

 

 

 

Power LED

 

 

 

 

HDR_BLNK_GRN

Out

Front panel green

 

 

LED

 

 

 

HDR_BLNK_YEL

Out

Front panel yellow

 

 

LED

 

 

 

5

7

9

Reset Switch

Ground

 

Ground

 

 

 

FP_RESET#

In

Reset switch

 

 

 

 

 

 

 

Power

 

 

 

 

+5 V

 

Power

 

 

 

6

8

10

On/Off Switch

FPBUT_IN

 

 

In

 

Power switch

 

 

 

 

 

 

Ground

 

 

 

 

Ground

 

 

 

 

 

 

 

 

 

 

 

 

 

Not Connected

 

 

 

 

 

 

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

1

Power

3

D-

5

D+

7

Ground

9

Key (no pin)

Note: USB ports may be assigned as needed.

Pin

2

4

6

8

10

Signal Name

Power

D-

D+

Ground

Not connected

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Intel D845EPI manual Connecting the Front Panel Header, Installing a USB 2.0 Solution, Front Panel Header J9G1