Intel DQ57TM Benutzerhandbuch
Intel Desktop Board DQ57TM Product Guide
54
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.
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.
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.
shows the pin assignments and signal names.
Table 13. USB 2.0 Headers 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.
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.