On 25/03/18 00:39, Bill Gunshannon via cctalk wrote: > > > On 03/24/2018 07:58 PM, Warner Losh wrote: > > > On Sat, Mar 24, 2018 at 5:44 PM, Bill Gunshannon via cctalk > <cctalk@classiccmp.org<mailto:cctalk@classiccmp.org>> wrote: > > > The Unix-PC has found a new home in the hands of someone > I am sure will enjoy and appreciate it. I would expect him to > show up here sometime with questions as he tries to revive > it. I tried booting it and while it booted fine from the diagnostic > floppy and things like memory and CPU tested OK it won't boot > off the hard disk which means either the hard disk has died > (a possibility considering its age) or could just be bit rot. In > any event, he got all the floppies that went with it. Who knows, > might show up at VCF-East some day. > > At least it has MFM hard drives, which means that it can use the MFM emulator > to have near infinite storage (sadly, only ~64MB at a time due to limitations > in the controller, it seems). > > I wondered about that. I heard someone was working on one but I never saw it. > Got any pointers? 70M is the limit I think. has something to do with the > registers > in the controller. But I seem to remember a mod to let it use two disks. > That would > make it 140M.
That'd be the P5.1 Mod. > This one has 1 Meg. Amount isn't the problem, finding the expansion boards > is. They > were rare in its heyday and probably unobtanium today. > > As for something more modern, I always thought it would be an improvement if > it ran > BSD. Even with only one meg it should be able to run 2.11BSD if someone > could do a > port. Then you put NFS on and disk space is no longer a problem. :-) Good luck finding an Ethernet card! I don't like the sound of NFS over SLIP... (which you'd need a Combo Card for)... or NFS over PPP at 1200 Baud thru the internal modem... -- Phil. classic...@philpem.me.uk http://www.philpem.me.uk/
