User`s manual

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3.3.4 Serial Port
Two serial ports are output to USB Mini-B connectors on the front panel for use as service
terminals . The port labeled IPMI is an "IPMC" debug port and the port labeled CPU" is
connected to COM 1 of the Super IO chip.
Serial Port Pin Definition (USB Mini-B)
PIN Signal Name In/Out
1 Signal Ground
2 Transmitted Data (TxD) Out
3 Received Data (RxD) In
4 Signal Ground
5 Signal Ground
3.3.5 Onboard CFast Interface
The aTCA-9300 has one 17-pin CFast connector reserved for onboard mounting of a disk The connecotor
pin list is shown as below.
Signal Name Pin
JTAG_TCK S1
JTAG_TDO S2
JTAG_TMS S3
VPUMP S4
JTAG_TDI S5
JTAG_TCK S6
JTAG_TDO S7
JTAG_TMS P1
VPUMP P2
JTAG_TDI P3
JTAG_TCK P4
JTAG_TDO P5
JTAG_TMS P6
VPUMP P7
JTAG_TDI P8
JTAG_TCK P9
JTAG_TDO P10
JTAG_TMS P11
VPUMP P12
JTAG_TDI P13
JTAG_TCK P14
JTAG_TDO P15
JTAG_TMS P16
VPUMP P17