Helping a friend swap her phone's battery
It's a SYS68K/CPU-60 board. 68060 @ 50 MHz, with 32 Mb DRAM and 2 Mb SRAM, on board network, SCSI, and two serial ports
204077_CPU-60_Technical_Reference_Jun99.pdf
1.5 MB
The full reference manual is available online
The serial ports can be configured as either RS-232, 422 or 485, using these daughter boards and DIP switches. I had naively assumed both ports are 232 and somehow fried one of my 232 to USB converters. Better RTFM first.
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Anyhow, I had trouble getting anything out of the 232 port, it gets stuck in a boot loop and never makes any sign of life on serial. This needs hardware handshake and I even probed RTS and CTS with the scope to make sure my USB converter does support hardware handshakes
The debug console features a disassembler, an assembler, can load binary data from the network using TFTP, and even dump the contents of memory to a TFTP server