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Apparently this was a thing...
The motherboard is for a Siemens Scenic 620.
Apparently this was a thing...
The motherboard is for a Siemens Scenic 620.
🤣, but why?
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mwdmeyer wrote on 2022-01-13, 05:17:🤣, but why?
Because they could apparently… looking at the computer there doesn’t seem to be anything preventing normal orientation…
This allows cards with a PCB that's taller than the PCI bracket to be installed into a rather flat desktop case that's barely taller than the PCI brackets.
You save vertical space by sacrificing horizontal space.
🤣 I think some on April Fools Day did this end of shift just to be ..... foolish ;p
Hate posting a reply and then have to edit it because it made no sense 😁 First computer was an IBM 3270 workstation with CGA monitor. Stuff: https://archive.org/details/@horun
They had to put their slant on PCs...
Another thing i can imagine is to allow better heat dissipation from demanding cards. Not sure if this ever was a thing with ISA, but who knows 😀
Stuck at 10MHz...
Doornkaat wrote on 2022-01-13, 05:56:This allows cards with a PCB that's taller than the PCI bracket to be installed into a rather flat desktop case that's barely taller than the PCI brackets.
You save vertical space by sacrificing horizontal space.
"what are riser cards?" 😁
cyclone3d wrote on 2022-01-13, 06:35:They had to put their slant on PCs...
Ow.
It's odd because the extra height of the connector means the angle doesn't actually save any vertical height (plus there are full height vertical cards as well) and just makes the case wider. Maybe they had an internal argument about whether to go with a riser card or not, and decided to compromise. But I like the way they've committed to it and even included the support at the front of the case for full length cards. Maybe it made it easier to get to headers/jumpers without having to take cards out. Slightly disappointed that I can't find any connectors like that.
imi wrote on 2022-01-13, 14:45:Doornkaat wrote on 2022-01-13, 05:56:This allows cards with a PCB that's taller than the PCI bracket to be installed into a rather flat desktop case that's barely taller than the PCI brackets.
You save vertical space by sacrificing horizontal space."what are riser cards?" 😁
Unnecessarily expensive compared to this simple yet effective solution. "It ain't stupid if it works."😉
expensive is retooling to manufacture a case with slot bracket cutouts at 45*
maxtherabbit wrote on 2022-01-13, 15:35:expensive is retooling to manufacture a case with slot bracket cutouts at 45*
Not if you're designing a new case ayway.
Well that answers the mystery of the odd Socket 370 board I kept seeing listed on eBay. I thought it was a rolling-shutter artifact at first.
I thought IBM was born with the world
I think this was done out of hatred of that ISA slot. 😜
Just use pliers to bend them back into position.
Is this too much voodoo?
Never seen them deliberatley angled like that, but I Did have an HP Firebird Socket 370 for awhile with a Celeron 500 installed that had one of the PCI slots cantered to the side in that direction a little bit...but not anywhere near that degree.
If it was angled for installing the cards in a low profile case then why in the heck are the three PCI slots not slanted then? And were they thinking this is inernal only, or did they actually have the bracket holes in the back slanted to match the cards?
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creepingnet wrote on 2022-01-13, 19:41:Never seen them deliberatley angled like that, but I Did have an HP Firebird Socket 370 for awhile with a Celeron 500 installed that had one of the PCI slots cantered to the side in that direction a little bit...but not anywhere near that degree.
If it was angled for installing the cards in a low profile case then why in the heck are the three PCI slots not slanted then? And were they thinking this is inernal only, or did they actually have the bracket holes in the back slanted to match the cards?
Oh yes (and the 3rd PCI is angled over as well)...
Lies!... that's not 45 degrees, it's more erect, but not sure it's 60 either, seems somewhere between the two like 55 or some crap.
Unicorn herding operations are proceeding, but all the totes of hens teeth and barrels of rocking horse poop give them plenty of hiding spots.
BitWrangler wrote on 2022-01-13, 19:58:Lies!... that's not 45 degrees, it's more erect, but not sure it's 60 either, seems somewhere between the two like 55 or some crap.
Damn OEMs and their non-standard angles.
It seems like the main slots are low profile (well, lower than full) and the angled shared slot is some compromise to acommodate older large sound cards.
I thought IBM was born with the world
snufkin wrote on 2022-01-13, 19:53:creepingnet wrote on 2022-01-13, 19:41:Never seen them deliberatley angled like that, but I Did have an HP Firebird Socket 370 for awhile with a Celeron 500 installed that had one of the PCI slots cantered to the side in that direction a little bit...but not anywhere near that degree.
If it was angled for installing the cards in a low profile case then why in the heck are the three PCI slots not slanted then? And were they thinking this is inernal only, or did they actually have the bracket holes in the back slanted to match the cards?
Oh yes (and the 3rd PCI is angled over as well)...
Hehe, whoah, that's wild. Vintage PC's, there's always some new crazy thing to learn every day.
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