Intel DH67CF English Product Guide - Page 45

Front Panel USB 2.0 Headers, Front Panel Header, Table 8. USB 2.0 Header Signal Names

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Installing and Replacing Desktop Board Components Front Panel USB 2.0 Headers Figure 18, C shows the location of the front panel USB 2.0 headers and Table 8 shows their pin assignments and signal names. Table 8. USB 2.0 Header Signal Names Pin Signal Name Pin 1 Power (+5 V) 2 3 D- 4 5 D+ 6 7 Ground 8 9 Key 10 Signal Name Power (+5 V) DD+ Ground No Connection NOTE Computer systems that have an unshielded cable attached to a USB port might not meet FCC Class B requirements, even if no device or a low-speed USB device is attached to the cable. Use a shielded cable that meets the requirements for a full-speed USB device. Front Panel Header Figure 18, D shows the location of the front panel header. Table 9 shows the pin assignments and signal names for the front panel header. Table 9. Front Panel Header Signal Names Pin Description In/Out Pin Description Hard Drive Activity LED Power LED 1 Hard disk LED pull-up to +5 V Out 2 Front panel LED+ 3 Hard disk active LED Out 4 Front panel LED- Reset Switch On/Off Switch 5 Ground 6 Power switch 7 Reset switch In 8 Ground Power Not Connected 9 Power Out 10 No pin In/Out Out Out In NOTE When connecting individual wires from your chassis front panel to the front panel header, be sure to observe the connection polarity. Positive wires are usually solid color and negative wires are usually white or striped. 45

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Installing and Replacing Desktop Board Components
45
Front Panel USB 2.0 Headers
Figure 18, C shows the location of the front panel USB 2.0 headers and Table 8 shows
their pin assignments and signal names.
Table 8. USB 2.0 Header Signal Names
Pin
Signal Name
Pin
Signal Name
1
Power (+5 V)
2
Power (+5 V)
3
D-
4
D-
5
D+
6
D+
7
Ground
8
Ground
9
Key
10
No Connection
NOTE
Computer systems that have an unshielded cable attached to a USB port might not
meet FCC Class B requirements, even if no device or a low-speed USB device is
attached to the cable.
Use a shielded cable that meets the requirements for a
full-speed USB device.
Front Panel Header
Figure 18, D shows the location of the front panel header.
Table 9 shows the pin
assignments and signal names for the front panel header.
Table 9. Front Panel Header Signal Names
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 LED+
Out
3
Hard disk active LED
Out
4
Front panel 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
NOTE
When connecting individual wires from your chassis front panel to the front panel
header, be sure to observe the connection polarity.
Positive wires are usually
solid color and negative wires are usually white or striped.