Intel D945GBO English Product Guide - Page 41

Connecting USB 2.0 Headers, Connecting IEEE 1394a Headers, Connecting the Front Panel Header

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Installing and Replacing Desktop Board Components Connecting USB 2.0 Headers Before connecting the USB 2.0 headers, observe the precautions in "Before You Begin" on page 23. See Figure 20, C on page 39 for the location of the black USB 2.0 headers. Table 8 shows the pin assignments for the USB 2.0 headers. Table 8. 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. Pin 2 4 6 GND 10 USB Port B Signal Name POWER DD+ Ground NO CONNECT Connecting IEEE 1394a Headers Before connecting the IEEE 1394a headers, observe the precautions in "Before You Begin" on page 23. See Figure 20, D on page 39 for the location of the blue IEEE 1394a headers. Table 9 shows the pin assignments for the headers. Table 9. Pin 1 3 5 7 9 IEEE 1394a Header Signal Names Signal Name Pin TPA1+ 2 GND 4 TPA2+ 6 +12 V 8 KEY (no pin) 10 Signal Name TPA1GND TPA2+12 V GND Connecting the Front Panel Header Before connecting the front panel header, observe the precautions in "Before You Begin" on page 23. See Figure 20, F on page 39 for the location of the multi-colored front panel header. Table 10 shows the pin assignments for the front panel header. Table 10. Front Panel Header Signal Names Pin Signal In/Out Description Pin Signal In/Out Description Hard Drive Activity LED (Orange) Power LED (Green) 1 HD_PWR Out Hard disk LED pull- 2 HDR_BLNK_GRN Out Front panel green up (330 Ω) to +5 V 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 GND Ground 6 SWITCH_ON# In Power switch 7 FP_RESET# In Reset switch 8 GND Ground 9 5+ V Reserved. Do not use. 10 No pin No pin 41

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Installing and Replacing Desktop Board Components
41
Connecting USB 2.0 Headers
Before connecting the USB 2.0 headers, observe the precautions in "Before You Begin" on
page 23.
See Figure 20, C on page 39 for the location of the black USB 2.0 headers.
Table 8
shows the pin assignments for the USB 2.0 headers.
Table 8.
USB 2.0 Header Signal Names
USB Port A
USB Port B
Pin
Signal Name
Pin
Signal Name
1
POWER
2
POWER
3
D-
4
D-
5
D+
6
D+
7
GND
GND
Ground
9
KEY
10
NO CONNECT
Note:
USB ports may be assigned as needed.
Connecting IEEE 1394a Headers
Before connecting the IEEE 1394a headers, observe the precautions in "Before You Begin" on
page 23.
See Figure 20, D on page 39 for the location of the blue IEEE 1394a headers.
Table 9 shows the pin assignments for the headers.
Table 9.
IEEE 1394a Header Signal Names
Pin
Signal Name
Pin
Signal Name
1
TPA1+
2
TPA1-
3
GND
4
GND
5
TPA2+
6
TPA2-
7
+12 V
8
+12 V
9
KEY (no pin)
10
GND
Connecting the Front Panel Header
Before connecting the front panel header, observe the precautions in "Before You Begin" on
page 23.
See Figure 20, F on page 39 for the location of the multi-colored front panel header.
Table 10 shows the pin assignments for the front panel header.
Table 10.
Front Panel Header Signal Names
Pin Signal
In/Out
Description
Pin
Signal
In/Out
Description
Hard Drive Activity LED (Orange)
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
GND
Ground
6
SWITCH_ON#
In
Power switch
7
FP_RESET#
In
Reset switch
8
GND
Ground
9
5+ V
Reserved.
Do not use.
10
No pin
No pin