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RE: [N8VEM-S100:6674] Re: hello all! newbie here with some questions about 8088, either s-100 or xi8088!

My recollections of TurboDOS:


I installed, managed, and used a TurboDOS “mainframe” system back in the mid to late ‘80s.  It was S-100 with a master Z80 SBC CPU and, I think, six or eight Z80 slave Z80 SBC CPU’s, as well as a hard disk controller and a 10MB hard disk.  The OS was CP/M-ish, leaning toward UNIX.  It ran most anything written for CP/M too.  We had software engineers writing Z80, C and other stuff on it using serial terminals on the slaves.  As I recall, it was not hard to setup, ran fine and never had any problems.  When I left there in 1994 it was still being used for maintenance on the code, although mainstream development had moved away from it.  I cannot imagine anymore how this many engineers shared 10MB!  But we thought it was grand, not having to shuffle floppy disks.


Bob Bell



From: n8vem...@googlegroups.com [mailto:n8vem...@googlegroups.com] On Behalf Of Andy Smout
Sent: Tuesday, March 31, 2015 6:01 AM
To: n8vem...@googlegroups.com
Subject: [N8VEM-S100:6674] Re: hello all! newbie here with some questions about 8088, either s-100 or xi8088!


thanks for the replies everybody! and todd I have sent you an email.


and more on topic, I found a link to TurboDOS on Wikipedia - it was a multi user cp/m ish s100 system.


thanks all!


On Monday, March 30, 2015 at 9:12:16 PM UTC+11, Andy Smout wrote:

I have a fluke 9020a troubleshooter with a 8088 pod and I am looking for a 8088 sbc or minimal system to do some testing with the fluke, in prep for doing some arcade pcb repairs etc.

I happened on the n8vem site whilst researching diy sbc's and the 8088 s10  board looked like a possible candidate.

Could this board be run as a standalone SBC ? without the s100 bus ?

or is there an alternative 8088 s100 pcb that could ?


also is the xi8088 covered in this group too ? (I have seen some references to it here)

the xi8088 looks like I could populate the minimum required components to achieve a simple 8088 sbc and I am wondering if there are any pcbs still available ?


apologies for the dumb questions :)


oh, and along the s100 lines, when I was studying CAd/CAM I was using a machine that iirc was a multi pcb system with turbo dos os (multi user system) that was used to do data transfers between the McDonald douglas unix machines (the drafting machines) and the CAM controllers.  does anyone remember such a system ?  after reading up on this site, I now realise it must have been an s100 system of some sort and it was relatively ancient (and always crashing too).


cheers, Andy

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