Silicon Graphics Octane III, User Manual, Page: 30 / 64

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3: System I/O Interfaces Overview
USB Type A Connector
Figure 3-2 shows the pinouts for the USB type A connector that is used for USB ports 0 through
3 on the rear panel of the Octane III system.
The USB ports are used for connecting keboard, mouse and other USB compatible devices to your
system.
Figure 3-2 Pin Number Locations for USB Type A Connector
Table 3-1 lists the pin assignments for each connector on the USB interface.
Table 3-1 Pin Assignments for USB Type A Connectors
Signal Color Pin Number
VCC Red 1
-Data White 2
+Data Green 3
Ground Black 4
1 2 3 4