Справочник Пользователя для Intel D945GCZ
Installing and Replacing Desktop Board Components
43
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.
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
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 (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.
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
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 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.
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
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
up (330
Ω) to +5 V
2
HDR_BLNK_GRN Out
Front panel green
LED
LED
3
HDA#
Out
Hard disk active LED 4
HDR_BLNK_YEL
Out
Front panel yellow
LED
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
N/C
Not connected
10
No pin
No pin