Installing and Replacing Server Board Components
Intel
®
Server Board S1200KP Product Guide
35
Front Panel USB 2.0 Headers
Figure 18, B shows the location of the front panel USB 2.0 headers and Table 5 shows their pin
assignments and signal names.
Table 5. 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 (no pin)
10
No Connection
Front Panel Header
Figure 18, C shows the location of the front panel header. Table 6 shows the pin assignments and
signal names for the front panel header.
Table 6. 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.
Alternate Front Panel Power LED Header
Figure 18, D shows the location of the alternate front panel power LED header. Pins 1 and 3 of this
header duplicate the signals on pins 2 and 4 of the front panel header. If your chassis has a three-pin
power LED cable, connect it to this header. Table 7 shows the pin assignments for the alternate
front panel header.
Table 7. Alternate Front Panel Power LED Header Signal Names
Pin
Signal Name
In/Out
1
Front panel LED+
Out
2
No pin
3
Front panel LED-
Out
