I have reworked my triac and have the left over parts to pass on. The plate on the electronics section is 11/88 and serial number 354, the complete motherboard that was working before i stripped the unit, the inbuilt monitor and two of the Parker drives for the x and y axis. The complete front panel...

Many thanks for the help I may convert and run Mach3, I will have a play with it for now and see how it goes.
It amazes me that after all these years it all works fine, must be down to the build quality.
Regards Peter

Hi I have just taken delivery of my old triac and have a few questions which you may think are daft, can you key in the program directly on the keyboard and save it ? or do you have to download it to the machine. Is there a user manual for this early version, I have found a parts/electronics manual ...