Intel DQ57TM manual Front Panel USB 2.0 Headers, Front Panel Header Signal Names

Intel Desktop Board DQ57TM Product Guide

Front Panel Header

Figure 23, F shows the location of the front panel header. Table 12 shows the pin assignments and signal names for the front panel header.

Table 12. Front Panel Header Signal Names

Pin	Description	In/Out	Pin	Description	In/Out
	Hard Disk 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.

Front Panel USB 2.0 Headers

Figure 23, G shows the location of the front panel USB 2.0 headers and Table 13 shows the pin assignments and signal names.

Table 13. USB 2.0 Headers Signal Names

Pin	Signal Name
1	Power (+5 V)
3	D-
5	D+

7Ground

9Key

Pin	Signal Name
2	Power (+5 V)
4	D-
6	D+
8	Ground
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.

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