Reference For The Usb Connectors - Sun Microsystems Sun Fire V440 Parts Installation And Removal Manual

Reference for the USB Connectors

Four Universal Serial Bus (USB) ports are located on the motherboard in a
double-stacked layout and can be accessed from the back panel.
USB Connector Diagram
USB2
1
1
USB0
USB Connector Signals
Pin Signal Description
A1 +5 V (fused)
A2 USB0/1-
A3 USB0/1+
A4 Ground
4
2 3
B
2 3 4
A
Pin
B1
B2
B3
B4
2 3 4
1
B
4
2 3
1
A
Signal Description
+5 V (fused)
USB2/3-
USB2/3+
Ground
Appendix A Connector Pinouts
USB3
USB1
159