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Hi guys ,

Any one have a dead shugart 8 inch drive with a good 115 drive motor they would be willing to part out

Grant

Your really shooting in the dark, without knowing what signals you have , Do you know if the cpu is even running? Things that can be bad , the ram chips, the rom code , 8t26 buffers, a scope is pretty much a must to work on this old gear the serial signal could be so outa spec you won't get any acti...

has anyone ever seen a 630 or 620 installed in a C1p system or on a superboard rev D , i'm just trying to tweak the 630 design to mount on the 600,610

The way i understand it, is for example you have system A and hook up system A1.....A4 to the serial ports using timeshare then hook up system B and its time shared systems B1.....B4 to system A through the network node. the 555 has 4 serial and 1 network node for 4 smart or dumb terminals?, I,m loo...

Hi, thanks for the reply

There is a manual that has details of the hardware setup for multi user/terminal .
i have seen this manual that you have, but does not have the info .

Thanks,

Grant

Wow! i took it for a spin and it it awesome,

Is there a way to break point on memory access?

Grant

Probably should have the z-80 on there as well

Hi Tom

i believe the CA-25 Security and AC remote interface was what would have been used, the c4p manual has some relevant material
check through the journals also for some goodies.

interfacing to the head end cards is where youll find your info

Grant

I was looking at possibly a 575 but had done a little already on the 595. The problem with these boards is not so much mask or silk screen but the size . they are just big boards.

Grant

Ohio Scientific Multiple User Computer System Manual.

Any one have a copy of this?

Thanks,

Grant