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Why are graphics cards upside down? D:

Ash2097 said:
I was thinking this myself a few days ago, least that explains it. Would be nice to be able to see the water running through my GPU from the case window.
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I think they look nicer on water this way up.

003sro.jpg


My next job, do something about the crap red power leads.
 
Nickjf20 said:
Actual answer:

"We used to have ISA slots. The cards were right-side-up. When PCI was being developed, designers wanted to give builders a choice of using up to six PCI cards or six ISA cards from a single 8-slot AT case. To geth PCI and ISA to serve the same slot hole in the case, the PCI slots were placed between the ISA slots. Then, to get them to align with the hole, they were made upside-down.

With this design you could have an ISA card one slot above the PCI card and still have enough room between them to prevent shorts, and motherboard designers didn't have to take away one slot to add the other.

AGP followed PCI design, the PCIe followed AGP design."
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Nickjf20 is quite right, one thing he didn't mention though is that most cases were of the desktop variety so it wasn't upside down/right way up but cards on the left or right.
It is only now with nearly every case being a tower of some kind that it is now upside down.
 
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