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Chapter 5: Advanced Serverboard Setup
Universal Serial Bus Headers
Universal Serial Bus Headers
Pin Definitions (USB2/3, USB4/5)
Four additional USB headers (USB2/3 and USB4/5) are included on the serverboard. These may be used for front side access. A USB cable (not included) is needed for the connec- tion. See the table on the right for pin defi nitions.
USB2
Pin # Defi nition
1+5V
2PO-
3PO+
4Ground
5 Key
USB3, USB4 Pin # Defi nition
1+5V
2PO-
3PO+
4Ground
5 NC
Serial Ports
Serial Port Pin Definitions
(COM1, COM2)
The COM1 serial port is located on the IO backplane. COM2 is a header on the serverboard (see serverboard layout for location). See the table on the right for pin defi nitions.
Pin # Defi nition
1DCD
2RXD
3TXD
4DTR
5Ground
Pin # Defi nition
6DSR
7RTS
8CTS
9RI
10 NC
Fan Headers
The PDSMU has six fan headers, des- ignated Fan1 through Fan6. All are
Note: Pin 10 is included on the header but not on the port. NC indicates no connection.
Fan Header
Pin Definitions
Pin# Defi nition
1Ground (Black)
2+12V (Red)
3Tachometer
4 PWM Control
Note: When using Thermal Management set- tings, please use all