Intel SGI Altix 450 - Manual (Page 185)

I/O Port Specifications
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USB Type A Connector
Figure A-4 shows the USB type A connector provided on the base I/O that supports general USB
applications and optional keyboard and mouse configurations.
Table A-10 lists the pin assignments for the USB type A connector.
Figure A-4 Pin Number Locations for USB Type A Connector
Table A-10 Pin Assignments for USB Type A Connector
Signal Color Pin Number
VCC Red 1
-Data White 2
+Data Green 3
Ground Black 4
1 2 3 4