Connecting Usb 2.0 Headers; Connecting Ieee 1394A Headers (Optional); Connecting The Front Panel Header; Usb 2.0 Header Signal Names - Intel D945GCZ - Desktop Board Motherboard Product Manual

Connecting USB 2.0 Headers

Before connecting the USB 2.0 headers, observe the precautions in "Before You Begin" on
page 25. See Figure 20, C on page 41 for the location of the black USB 2.0 headers. Table 10
shows the pin assignments for the USB 2.0 headers.
Table 10.

USB 2.0 Header Signal Names

USB Port A
Pin Signal Name
1 POWER
3 D-
5 D+
7 GND
9 KEY
Note: USB ports may be assigned as needed.

Connecting IEEE 1394a Headers (Optional)

Before connecting the IEEE 1394a headers, observe the precautions in "Before You Begin" on
page 25. See Figure 20, D on page 41 for the location of the blue IEEE 1394a headers.
Table 11 shows the pin assignments for the headers.
Table 11.

IEEE 1394a Header Signal Names

Pin Signal Name
1 TPA1+
3 GND
5 TPA2+
7 +12 V
9 KEY (no pin)

Connecting the Front Panel Header

Before connecting the front panel header, observe the precautions in "Before You Begin" on
page 25. See Figure 20, F on page 41 for the location of the multi-colored front panel header.
Table 12 shows the pin assignments for the front panel header.
Table 12.

Front Panel Header Signal Names

Pin Signal
Hard Drive Activity LED (Orange)
1 HD_PWR
3 HDA#
Reset Switch (Purple)
5 GND
7 FP_RESET#
9 N/C
In/Out Description
Out Hard disk LED pull-
up (330 Ω) to +5 V
Out Hard disk active LED
Ground
In Reset switch
Not connected
Installing and Replacing Desktop Board Components
USB Port B
Pin Signal Name
2 POWER
4 D-
6 D+
GND Ground
10 NO CONNECT
Pin Signal Name
2 TPA1-
4 GND
6 TPA2-
8 +12 V
10 GND
Pin Signal
Power LED (Green)
2 HDR_BLNK_GRN Out
4 HDR_BLNK_YEL
On/Off Switch (Red)
6 SWITCH_ON#
8 GND
10 No pin
In/Out Description
Front panel green
LED
Out Front panel yellow
LED
In Power switch
Ground
No pin
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