Intel Desktop Board D955XBK Technical Product Specification 
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2.7.2.6  Front Panel IEEE 1394a/b Connectors (Optional) 
Figure 22 is a connection diagram for the IEEE 1394a/b connectors. 
OM16107
8
6
4
2
7
5
3
1
Key (no pin)
10
TPA+
+12 V DC
TPA−
Ground
TPB+ TPB−
Ground
Ground
+12 V DC
 
Figure 22.  Connection Diagram for Front Panel IEEE 1394a/b Connectors 
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INTEGRATOR’S NOTES 
•  The IEEE 1394a/b connectors are different colors; one connector is blue, the other connector 
is pink. 
•  The +12 V DC power on the IEEE 1394a/b connectors is fused. 
•  Each IEEE 1394a/b connector provides one IEEE 1394a/b port.