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Programming software for Motorola GM300 (download here)

Can you provide a pin out wiring for the rj45 to serial port? Or direct me to where I can buy a pre-made programing cable?
just for those interested, if you dig into OTVDM or VINEVDM (i had better luck with otvdm), you can enable 16 bit applications to run on a 64bit system. I was running both the old and new CPS for a m1225 on windows 7 using otvdm using a usb serial adapter. Been so long that I can hardly remember doing it, but I know it works.

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