regarding Datamaster's and such

steven stengel tosteve at yahoo.com
Mon Jul 12 18:11:45 CDT 2010


Some DataMaster pics - I hope this help, or is of interest!

http://members.cox.net/stengel/temp/1.jpg
http://members.cox.net/stengel/temp/2.jpg
http://members.cox.net/stengel/temp/3.jpg
http://members.cox.net/stengel/temp/4.jpg
http://members.cox.net/stengel/temp/5.jpg





--- On Fri, 7/9/10, Shannon Spurling <sspurling at gmail.com> wrote:

> From: Shannon Spurling <sspurling at gmail.com>
> Subject: Re: regarding Datamaster's and such
> To: cctech at classiccmp.org
> Date: Friday, July 9, 2010, 8:17 PM
>  Well, I have what is labeled as an
> IBM 5324. It appears to be a three piece system from the
> datamaster line, with a seperate CPU tower, monitor,
> keyboard, and printer. Only thing is, I can find no
> information on this thing actually being made. I am trying
> to verify that the power supply is actually working, but I
> have no data on it. Now, I also asked about basic in ROM.
> Someone said they didn't. I read they did, or at least some
> of them did. I can't find anything on an operating system,
> and the thing appears to have a lot of rom chips on the
> board.
> 
> These are the things I have found so far:
> 
> IBM indicates some hardware and software options in the
> datamaster line in their 1982 summary documents. Nothing
> else indicates anything other than a one piece unit was
> offered. Nothing else indicates a model with this number
> even though this thing is tagged all over as IBM hardware
> made in New York.
> 
> From http://oldcomputers.net/ibm5322.html
> 
> The OS is listed as built in basic, and the ram card and
> CPU "module" in this system is the same as what you see in
> my tower unit. You can see the floppy controller card
> plugged in on the far side of the CPU card with the yellow
> interface cable wires. In fact, I just need to know the
> nominal voltages that should be found on that red power
> connector. I have a feeling that I am missing some +5 and
> +12 power feeds, but I need to know what I am looking at. I
> measured using chassis ground and only got voltages on a
> couple of pins, and they all appeared to be negative. I
> think I am going to have to open the power supply, but those
> large caps always make me nervous.
> This is the same board, way different format, and all
> genuine IBM. I have that same green monitor in a separate
> unit with two cables that connect back to the tower. It has
> two legs that go up in the monitor cabinet that the thing
> can lift and drop on, and tilt.
> 
> It has been in "storage" for a while, so I rather clean it
> up before I take any pictures of it. Maybe I'll get a chance
> to do that next week. If I need any software or 8" floppies
> where can I find those? And is there any refrence manuals?
> You would think someone could find this stuff online
> someplace.
> 
> Thanks
> 
> Shannon
> 
> 
> On 7/7/2010 1:21 AM, steven stengel wrote:
> > I have a Datamaster, but I missed the conversation.
> > Is there something I can help with?
> > Mine is buried only one-deep.
> > 
> > 
> > 
> > --- On Tue, 7/6/10, Chris M<chrism3667 at yahoo.com> wrote:
> > 
> >> From: Chris M<chrism3667 at yahoo.com>
> >> Subject: regarding Datamaster's and such
> >> To: "talk"<cctalk at classiccmp.org>
> >> Date: Tuesday, July 6, 2010, 3:55 PM
> >> a picture (or 2) might help Sharon
> >> :)
> >> 
> >> IIRC, the *8085* in the System 23/Datamaster
> wasn't
> >> identified as such. It had some sort of IBM house
> number.
> >> Haven't opened mine in a while, but that's what I
> remember.
> >> 
> >> Be specific about what you mean by p/s issues. And
> if
> >> that's the case, you're advised to test the
> voltages under
> >> load...but not the motherboard load/s.
> >> 
> >> Perhaps you have a repackaged Datamaster. Mine
> >> unfortunately is *unavailable* for perusal at this
> present
> >> time. I do believe there are other people on the
> list that
> >> have one, but they don't seem to participate these
> days.
> >> Mine is buried beneath about 12 other machines
> (was I
> >> supposed to put it on top? It weighs ~95 lbs yer
> know).
> >> 
> >> 
> >> 
> >> 
> >> 
> > 
> > 
> > 
> > 
> 
> 


      



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