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Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-15, 15:58

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

BinaryDemon wrote on 2020-03-15, 03:35: matze79 wrote on 2020-03-13, 22:40: ISA would suffice, it has enough bandwidth for all VGA Stuff. Ug. Doesn't the fastest ISA card only get something like 18fps in Doom? I know that was some peoples experience but I know that I would want more. 21 FPS with my …

Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-15, 02:25

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It's a nice idea to use AO486, but I'd really like to help all the people who want an mATX 486 board with a REAL 486 CPU.

Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-13, 22:29

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

https://i.ebayimg.com/images/g/ZtEAAOSwAKxWU3g2/s-l1600.jpg could this board be tweaked with an onboard CPU, remove to EISA slots, and a few other tweaks? I have 2 of those exact boards and the CPU comes on a seperate board that is again half the size of that motherboard, which is already huge. …

Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-10, 06:05

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Alright, everyone, I've asked on Reddit r/FPGA if anyone has info on the possibility of a MiSTer uATX board.

Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-08, 21:20

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

If you comment, I probabably won't answer for a while- I have to clean my gmail... don't ask why...

Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-08, 16:19

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

https://i.ebayimg.com/images/g/ZtEAAOSwAKxWU3g2/s-l1600.jpg could this board be tweaked with an onboard CPU, remove to EISA slots, and a few other tweaks?

MCA Cards?

Posted on 2020-03-08, 00:48

by Nitroraptor53

in Marvin \ Sound

in Marvin \ Sound

Does anyone have the schematics of the CT5320//CT5330? I'd like to make them through PCBway to give out at the next Retro Gaming Expo.

Re: New sound card project: AWE64 Legacy

Posted on 2020-03-08, 00:41

by Nitroraptor53

in Marvin \ Sound

in Marvin \ Sound

H_Rush wrote on 2020-03-07, 22:33: Do you like back panels? 😀 https://pic.overminers.ru/images/panels.jpg ooh me likee

Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-07, 01:17

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

maxtherabbit wrote on 2020-03-06, 22:48: trying to include onboard video seems retarded to me, there is absolutely no shortage of reasonably priced PCI cards on the secondary market I mean, if you have extra space, it seems worth it...

Re: Innovation SSI 2001 re-engineering and/or conclusions

Posted on 2020-03-06, 22:00

by Nitroraptor53

in Marvin \ Sound

in Marvin \ Sound

All estimates I've heard is up to ten thousand made, but only two thousand sold... 90% of them have been recycled//destroyed : ( Estimates made by whom? These numbers seem to be completely plucked out of the air. Some guy I talked to who (claimed he) was an ex-Microprose Employee. Microprose …

Re: Innovation SSI 2001 re-engineering and/or conclusions

Posted on 2020-03-06, 21:57

by Nitroraptor53

in Marvin \ Sound

in Marvin \ Sound

That makes me wonder how many days it required to make all of them. Maybe ~14 days ? A month ? Anyway, the most important thing is that the schematic has survived - thanks to those two cards and all the people involved saving them! :) The off-the shelf parts aren't rare, either, gratefully. …

Re: Innovation SSI 2001 re-engineering and/or conclusions

Posted on 2020-03-06, 20:11

by Nitroraptor53

in Marvin \ Sound

in Marvin \ Sound

All estimates I've heard is up to ten thousand made, but only two thousand sold... 90% of them have been recycled//destroyed : ( That makes me wonder how many days it required to make all of them. Maybe ~14 days ? A month ? Anyway, the most important thing is that the schematic has survived - …

Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-06, 19:43

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I mean... most of the stuff going on in a 486 is 25 or 33MHz. If you're an overclocker with Pentium envy, maybe 50MHz. That's not much to ask of modern FPGAs. The direction this project is going sounds to me a little more like scratching a personal itch than something that will fill a broader need. …

Re: Innovation SSI 2001 re-engineering and/or conclusions

Posted on 2020-03-06, 19:09

by Nitroraptor53

in Marvin \ Sound

in Marvin \ Sound

i wonder how many of these Innovation SSI 2001s really exist in the wild ? I'm currently aware of 2 (owned by people on this forum, being the one with the "sid 6581" written near the socket with a marker and the one with a 6581R4AR) and one being "semi-lost" (should be on loan to someone in this …

Re: Innovation SSI 2001 re-engineering and/or conclusions

Posted on 2020-03-06, 19:06

by Nitroraptor53

in Marvin \ Sound

in Marvin \ Sound

Where, if anywhere, could I get DuoSID schematics???

Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-06, 18:51

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Given that the cheapest NuXT is $280, I don't see how you can make a new cheap 486 motherboard. If you can't get an existing 486 chipset, creating one from scratch in FPGA would probably be prohibitive and I don't think ao486 performance is what people are looking for when they build a 486: …

Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-06, 16:51

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

keenmaster486 wrote on 2020-03-06, 16:16: Nitroraptor53 wrote on 2020-03-06, 15:05: I meant 900 boards, over the course of a year or two, most of them as DIY kits or just boards. Lol! I thought you meant you wanted to make $900 per board. Oh, of course not! Anywhere from $130-$370 could be the …

Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-06, 15:05

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

keenmaster486 wrote on 2020-03-06, 14:39: Nitroraptor53 wrote on 2020-03-06, 02:03: Nah. I hope to make, at the very least, about nine hundred. Are you serious about this? I meant 900 boards, over the course of a year or two, most of them as DIY kits or just boards.

Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-06, 14:34

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

If anyone can help, please let me know 😀

Re: Micro ATX 486 - what's the degree of interest?

Posted on 2020-03-06, 02:03

by Nitroraptor53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I would potentially buy a recreated 486 motherboard that had a mATX footprint. ~$200 is reasonable. It's a complicated project in small quantities, I'm willing to pay a bit more for that. North of $200 and I can't justify it except as a "support" thing, and even then it's difficult to reconcile. I …

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