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First post, by appiah4

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Does anyone know what this motherboard is?

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Retronautics: A digital gallery of my retro computers, hardware and projects.

Reply 1 of 15, by appiah4

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Better photo

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Retronautics: A digital gallery of my retro computers, hardware and projects.

Reply 3 of 15, by appiah4

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Not sure but there seems to be an onboard amd 386sx on it? There is also an onboard cirrus logic vga?

Retronautics: A digital gallery of my retro computers, hardware and projects.

Reply 4 of 15, by weedeewee

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It would be easier to tell with the board dusted off and the photo in hi-res.
all I can say about it, looks like an industrial board.

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Reply 5 of 15, by appiah4

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weedeewee wrote on 2021-06-28, 19:15:

It would be easier to tell with the board dusted off and the photo in hi-res.
all I can say about it, looks like an industrial board.

I asked for closer shots of the stickers on the mainboard but we'll see if the seller provides them.

I can't even begin to guess what this was used in..

Retronautics: A digital gallery of my retro computers, hardware and projects.

Reply 9 of 15, by weedeewee

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Has the seller sent you any more pictures ?
Did you buy it ?
I'm 100% certain that someone knows what it is. It's just that those somebodys aren't here to answer you. 😋

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Reply 10 of 15, by BitWrangler

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Looking like some kind of POS, industrial or data acquisition doohickey.

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Reply 11 of 15, by appiah4

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weedeewee wrote on 2021-06-29, 16:30:

Has the seller sent you any more pictures ?
Did you buy it ?
I'm 100% certain that someone knows what it is. It's just that those somebodys aren't here to answer you. 😋

No new photos yet, I dont want to buy it unless I know I can use it.

Could this be from an old ATM?

Retronautics: A digital gallery of my retro computers, hardware and projects.

Reply 12 of 15, by BitWrangler

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I wouldn't rule it out, being an ATM board... connect it to a printer when you first fire it up in case the buffer is still full of $50s 🤣

Unicorn herding operations are proceeding, but all the totes of hens teeth and barrels of rocking horse poop give them plenty of hiding spots.

Reply 13 of 15, by appiah4

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So, I have new photos. What the hell is this? 🤣

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Retronautics: A digital gallery of my retro computers, hardware and projects.

Reply 14 of 15, by appiah4

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OK so it seems to be some weird computer model B28 LCW?

https://www.oocities.com/siliconvalley/pines/ … TOSPictures.htm

that looks like.. this?

5d34b16572c8f34af635c2f656e10ffa.jpg

Which makes sense as Unisys was kinda prevalent in banking etc. in late 80s here..

Also, a slightly relevant wikipedia page: https://en.wikipedia.org/wiki/Convergent_Tech … perating_System

CTOS-B25.JPG

So it's a 286 motherboard I guess? Worth picking up and trying? Don't think it would work in any reasonable kind of PC enclosure though..

Retronautics: A digital gallery of my retro computers, hardware and projects.

Reply 15 of 15, by Schule04

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It almost certainly won't play retro games if that is what you want. In fact it might not even have a standard BIOS.
The CPU is that intel chip and indeed loks like a 286. Not sure about video output, might be EGA, VGA or something completely proprietary. Also there are no standard extension slots so i'm not sure how you would connect any disk drives to it