Connecting Hi-Speed USB 2.0 Headers
Before connecting the USB 2.0 headers, observe the precautions in "Before You Begin"
on page 21. See Figure 10, B on page 29 for the location of the USB 2.0 headers.
Table 5 shows the pin assignments for the headers.
Table 5. Hi-Speed USB 2.0 Header Signal Names
Pin
Signal Name
1
Power
3
D-
5
D+
7
Ground
9
Key
Note: USB ports may be assigned as needed.
Connecting the Front Panel Header
Before connecting the front panel header, observe the precautions in "Before You
Begin" on page 21. See Figure 10, C on page 29 for the location of the multi-colored
front panel header.
Table 6 shows the pin assignments for the front panel header.
Table 6. Front Panel Header Signal Names
Pin Signal
Hard Drive Activity LED
1
HD_PWR
3
HDA#
Reset Switch
5
Ground
7
FP_RESET# In
9
+5 V
Installing and Replacing Desktop Board Components
USB Port A
In/Out
Description
Hard disk LED pull-
Out
up (330 Ω) to +5 V
Hard disk active
Out
LED
Ground
Reset switch
Power
Power
USB Port B
Pin
Signal Name
2
Power
4
D-
6
D+
8
Ground
10
No connect
Pin Signal
In/Out
Power LED
2
HDR_BLNK_GRN
Out
4
HDR_BLNK_YEL
Out
On/Off Switch
6
SWITCH_ON#
In
8
Ground
Not Connected
10
N/C
Description
Front panel
green LED
Front panel
yellow LED
Power switch
Ground
No pin
31