Intel D946GZIS Product Guide - Page 42

Connecting to the USB 2.0 Headers, Connecting to the Front Panel Header

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Intel Desktop Board D946GZIS Product Guide To restore back panel audio, follow these steps: 1. Observe the precautions in "Before You Begin" on page 23. 2. Turn off all peripheral devices connected to the computer. Turn off the computer and disconnect the AC power cord. 3. Remove the cover. 4. Remove the front panel audio cable. 5. Replace the cover. Connecting to the USB 2.0 Headers Before connecting to the USB 2.0 headers, observe the precautions in "Before You Begin" on page 23. See Figure 20, E on page 40 for the location of the black USB 2.0 header. Table 6 shows the pin assignments for each USB 2.0 header. Table 6. USB 2.0 Header Signal Names USB Port A Pin Signal Name Pin 1 POWER 2 3 D- 4 5 D+ 6 7 GND 8 9 KEY 10 Note: USB ports may be assigned as needed. USB Port B Signal Name POWER DD+ GND NO CONNECT 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 20, D on page 40 for the location of the multi-colored front panel header. Table 7 shows the pin assignments for the front panel header. Table 7. Front Panel Header Pin Description Hard Drive Activity LED 1 Hard disk LED pull-up to +5 V 3 Hard disk active LED Reset Switch 5 Ground 7 Reset switch Power 9 Power In/Out Out Out In Out Pin Description Power LED 2 Front panel green LED 4 Front panel yellow LED On/Off Switch 6 Power switch 8 Ground Not Connected 10 No pin In/Out Out Out In 42

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Intel Desktop Board D946GZIS Product Guide
42
To restore back panel audio, follow these steps:
1.
Observe the precautions in "Before You Begin" on page 23.
2.
Turn off all peripheral devices connected to the computer.
Turn off the computer
and disconnect the AC power cord.
3.
Remove the cover.
4.
Remove the front panel audio cable.
5.
Replace the cover.
Connecting to the USB 2.0 Headers
Before connecting to the USB 2.0 headers, observe the precautions in "Before You
Begin" on page 23.
See Figure 20, E on page 40 for the location of the black USB 2.0
header.
Table 6 shows the pin assignments for each USB 2.0 header.
Table 6. 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
8
GND
9
KEY
10
NO CONNECT
Note:
USB ports may be assigned as needed.
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 20, D on page 40 for the location of the multi-colored
front panel header.
Table 7 shows the pin assignments for the front panel header.
Table 7. Front Panel Header
Pin
Description
In/Out
Pin
Description
In/Out
Hard Drive Activity LED
Power LED
1
Hard disk LED pull-up to +5 V
Out
2
Front panel green LED
Out
3
Hard disk active LED
Out
4
Front panel yellow LED
Out
Reset Switch
On/Off Switch
5
Ground
6
Power switch
In
7
Reset switch
In
8
Ground
Power
Not Connected
9
Power
Out
10
No pin