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Vintage Computers Any vintage computer systems, calculators, video games etc., but with an emphasis on 1980s and earlier equipment.

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Old 24th Apr 2024, 7:18 pm   #1
rrbmachining
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Default STE Bus Boards

I am looking for information on a number of STE bus boards from companies such as ARCOM, DSP Designs and GMT Electronic Systems, specifically the following:

SC09 and SERCOM4 from ARCOM
SL800 from DSP Designs
1021 from GMT

Anyone have any info on these heritage boards, any help would be much appreciated
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Old 25th Apr 2024, 12:44 am   #2
ortek_service
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Default Re: STE Bus Boards

I'm sure I've got a few Arcom Eurocards around, that I'd picked-up v.cheap from Rallies etc, but I've not got any info on them.

However, just a quick Google for "Arcom STE Bus", has found the full Technical Manual for the SC09 you'd mentioned, here: https://cdn.hackaday.io/files/289551..._J070_SC09.pdf

And there's quite a bit of info on the STE bus + list of many of the cards / links to more info on each, here: https://hackaday.io/project/28936-stebus
- With a BBC-Micro to STE-bus 6522-based Interface listed, which looks to be of interest to me.


I've not yet used the STE Bus (Although IIRC, ETI etc magazines back in the 80's had projects using this bus)
- with the S100 and (16bit 'Double Eurocard') VME bus seemingly being more well-known.

But a bus not being restricted to a particular microprocessor does appeal, whereas Acorn 'System' was really only for 6502 (and quite-similar 6809, particularly Control Universal - who basically took-over this for Industrial systems, when Acorn moved onto single-box/board non-rack based computers from the Atom onwards).
I did also recently find that Control Universal moved onto the STEbus, with 80188 (I've a couple of) + 68008 SBC Inc. STEbus Cards featured in their catalogues etc. that ChrisO has archived on his website: http://www.theoddys.com/acorn/contro...universal.html


Some more modern day retro-computing low-cost bus ones like the RC2014 / Scxxx etc are maybe more Z80 uP based
- Although may have spare pins for also including the 65xx/68xx control-signals?

Last edited by ortek_service; 25th Apr 2024 at 1:11 am.
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Old 28th Apr 2024, 11:07 pm   #3
rrbmachining
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Default Re: STE Bus Boards

Thanks for the link to Hackaday, some useful stuff on there and I am now in contact with an ex Arcom employee. I am now collating all my STEbus info from different manufacturers into an archive so any info on different boards will be appreciated
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Old 29th Apr 2024, 7:54 am   #4
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Default Re: STE Bus Boards

Well it seems the Control Universal 80188 boards may be the only STE ones I've got, as I can't find any record of me buying any Arcom ones.

And I haven't found any detailed info on these Control Universal STE 80188 boards I've got - Only an Arcomm 80188 version, also at Hackaday: https://cdn.hackaday.io/files/289541...J090_SC88T.pdf
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Old 4th May 2024, 3:40 am   #5
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Default Re: STE Bus Boards

Quote:
Originally Posted by rrbmachining View Post
I am looking for information on a number of STE bus boards from companies such as ARCOM, DSP Designs and GMT Electronic Systems, specifically the following:

SC09 and SERCOM4 from ARCOM
SL800 from DSP Designs
1021 from GMT

Anyone have any info on these heritage boards, any help would be much appreciated
Well in looking for info on the GMT 1000, from your later post requesting info on that 6809 CPU board, I did stumble upon a manual for the GMT System 1000 STEbus card: 1021 Bytewide Memory/Clock (also lurking on Hackaday): https://cdn.hackaday.io/files/195841...4/GMT_1021.pdf

And I've OCR'd that pdf, plus attached it to this post: https://www.vintage-radio.net/forum/...66&postcount=6

Plus a quick Google for the SL800 from DSP Designs, also finds info on Hackaday: https://cdn.hackaday.io/files/195840.../DSP_SL800.pdf

Last edited by ortek_service; 4th May 2024 at 3:45 am.
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