ADLINK aTCA-9710 - Manual (Page 24)

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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 mSATA Module
The aTCA-9710 is equipped with an mSATA flash module (32GB, up to 256GB available)
which supports a SATA 6.0Gb/s interface with sustained read to 550MB per second and
sustained write up to 500MB per second.