From: Joe <rigdonj(a)cfl.rr.com> These sound like standard Mostek STD-BUS cards. The cards were available separately so it may or may not be a Mostek computer. As luck would have it (your's not mine!) I found some Mostek manuals for some of the cards today along with some DRI CPM manuals. I haven't gone trough them yet but I'll post a list after I do. BTW Steve Robertson is the expert on STD-BUS stuff. He found one of the system developers that used to work for Pro-Log and got a TRUCK load of that stuff. BTW II United Technologies bought out Mostek so Ian's computer could be considered a Mostek machine. Joe At 07:52 AM 6/27/03 -0400, you wrote: >That sounds like an interesting machine. I have a United Technologies >Mostek Matrix 800, but it has a 1.2meg 5 1/2 drive and an MFM hard >drive. My machine runs CP/M and has a Z-80. I have the system disks, >albeit on 5 1/4, and I can make copies for you if you need them, but >you'll have to find a way to either convert them to 8" or to hook a 5 >1/4 drive to the computer, but even then I don't know if the disks >would be compatible. > >Ian Primus >ian_primus(a)yahoo.com > > >On Thursday, June 26, 2003, at 10:58 PM, Erik S. Klein wrote: > >> Hello all, >> >> >> >> I've come into possession of a Mostek computer (I'm pretty sure it's a >> computer anyway) with a pair of 8" half height floppy drives (Shugart >> 860s) and three cards. >> >> >> >> The cards are roughly 6x4 inches with a 56 finger edge connector on one >> of the long ends and various connectors on the opposite end (I'm not >> familiar with these). They are labeled MDX-FLP2 (plugged into the >> drives - obviously a floppy controller), MDX-SIO (almost certainly a >> serial IO card) and MDX-CPU3. The last card is the processor card. >> The >> main chip appears to be a MOSTEK Z-80 clone which is labeled MK3801N-4, >> Z80-STI AND ENG. PROTO. There are 8 4564s for 64K RAM on the card >> along >> with what are either connectors for serial and/or parallel ports. >> >> >> >> The whole box is about the size of a typical rack-mount machine with a >> plastic case around it. Most parts are tagged as Mostek and most date >> codes are from the middle of 1982. >> >> >> >> Of course it came without software or documentation. >> >> >> >> Is anyone familiar with this machine? Does anyone have a boot disk, >> other software or documentation for it? >> >> >> >> Thanks! >> >> >> >> Erik Klein >> >> www.vintage-computer.com/vcforum >> >> The Vintage Computer Forum