Breaking... Sergey Kiselev posts 486 ATX motherboard project on Github, WIP... \ VOGONS

Breaking... Sergey Kiselev posts 486 ATX motherboard project on Github, WIP...

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First post, by BitWrangler

Posted on 2022-02-10, 23:16

BitWrangler Offline

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Hi Vogons,

Something exciting is happening, very little to see yet though...
https://github.com/skiselev/white_river_486

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 1 of 2, by rkurbatov

Posted on 2022-02-10, 23:52

rkurbatov Offline

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Joined: 2022-01-17, 11:09
Location: Ukraine

That's cool. ATX and probably PCI. The only problem is absence of new CPU and SIMM sockets, chipsets and all of that stuff unless somebody stashed some 😀

486: ECS UM486 VLB, 256kb cache, i486 DX2/66, 8MB RAM, Trident TGUI9440AGi VLB 1MB, Pro Audio Spectrum 16, FDD 3.5, ZIP 100 ATA
PII: Asus P2B, Pentium II 400MHz, 512MB RAM, Trident 9750 AGP 4MB, Voodoo2 SLI, MonsterSound MX300

Reply 2 of 2, by carlostex

Posted on 2022-02-11, 00:55

carlostex Offline

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I'd rather see an ATX backplane where one could slap a Vortex 86 SoC. Those things can be slowed down to very slow speeds (25MHz clock + caches disabled), and are probably fast enough to cover the most demanding of DOS games. Clocking One of these at 50Mhz would be probably on par, performance wise, with DX4 486 systems.

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