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  3. July 2020

Re: Client Access/400 3 for DOS

Ha!  Ha ha, I say!  I chortle in amusement at your 640K!  Back in the day we hung an async box off of a Series/1 and I had to make the entire custom operating system fit onto an 8K EPROM.  Burn it, find a bug, throw it out and burn another one!  Eventually we sprang for an EEPROM, so that we could at least erase it and rewrite it.

Ah, those were the days.


On 7/6/2020 4:46 PM, Richard Schoen wrote:
I remember the 640k balancing dance we used to have to do to keep memory usage low.

I did a number of remote support calls on this before we had things like Webex and mainstream TCP/IP connectivity. 😊

I seem to also remember IRQ conflicts. Not sure if that's relevant.


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