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Intel Desktop Board DH57JG Product Guide
Front Panel Header
Figure 20, C shows the location of the front panel header. Table 10 shows the pin
assignments and signal names for the front panel header.
Table 10. Front Panel Header Signal Names
Pin
Description
Hard Drive Activity LED
1
Hard disk LED pull-up to +5 V Out
3
Hard disk active LED
Reset Switch
5
Ground
7
Reset switch
9
Power
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.
Front Panel USB 2.0 Headers
Figure 20, D shows the location of the front panel USB 2.0 headers and Table 11
shows its pin assignments and signal names.
Table 11. USB 2.0 Header Signal Names
Pin
Signal Name
1
Power (+5 V)
3
D-
5
D+
7
Ground
9
Key
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.
46
In/Out Pin
Out
In
Power
Out
Description
Power LED
2
Front panel LED+
4
Front panel LED-
On/Off Switch
6
Power switch
8
Ground
Not Connected
10
No pin
Pin
Signal Name
2
Power (+5 V)
4
D-
6
D+
8
Ground
10
No Connection
In/Out
Out
Out
In
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