+OLD CS1 Posted March 18, 2019 Share Posted March 18, 2019 I think it highly unlikely Windows 10 will support anything that old without serious jiggering. I am not familiar enough with x86 to know if it supports trapping bad instructions for emulation in a library. As I understand, Windows 10 relies upon instructions and registers which are not available in anything over a certain age. As it and processor technology ages I suspect it will be optimized for certain characteristics which are introduced along the way, even if it can only go back so far. Quote Link to comment Share on other sites More sharing options...
Osgeld Posted March 18, 2019 Share Posted March 18, 2019 Well wtf? I've seen individuals short, then force more current through them, then explode as expected. But for 26 to go bad in one shot? Why'd that happen? Did someone reverse the polarity or overvoltage a supply rail or something, weaken them, let them sit, then power on = poof? have no clue of the history of the board, AFAIK it was sitting in a plastic tub out in someone's garage for 2 decades, then I go and plug a 400 watt ATX supply (with an AT adapter) in and fireworks to be fair I got the entire tub and everything else worked fine, so imagine my surprise and the language I used when I hit that board ... I replaced them with ceramics since they were only 10uf and it now works fine Quote Link to comment Share on other sites More sharing options...
The Usotsuki Posted March 20, 2019 Share Posted March 20, 2019 I am not familiar enough with x86 to know if it supports trapping bad instructions for emulation in a library. SIGILL. Even the 186 had it, although the original 8086/8088 did not. Quote Link to comment Share on other sites More sharing options...
+OLD CS1 Posted March 20, 2019 Share Posted March 20, 2019 SIGILL. Even the 186 had it, although the original 8086/8088 did not. Sounds like a fun project for someone, then -- Windows 10 on a 486 Quote Link to comment Share on other sites More sharing options...
Gamemoose Posted March 20, 2019 Share Posted March 20, 2019 (edited) Sounds like a fun project for someone, then -- Windows 10 on a 486 Oh man....that reminds me of my Dad trying to run Windows on a way old computer. I can't remember if it was Windows 3.1 on an 8088 or 95. I just remember it took 10 minutes to boot. Windows 10 on a 486. My nine year old i7 laptop sounds like a jet running W10 and was slow. One would have to be a masochist to try a procesdor that old. Edited March 20, 2019 by Gamemoose Quote Link to comment Share on other sites More sharing options...
Flojomojo Posted March 20, 2019 Share Posted March 20, 2019 Pretty sure Windows 10 is looking for CPU instructions that won't exist on a 486? If you have time on your hands, you should try it. Quote Link to comment Share on other sites More sharing options...
DragonGrafx-16 Posted March 20, 2019 Share Posted March 20, 2019 There's a video of LGR running MS-DOS on a a Ryzen cpu lol Quote Link to comment Share on other sites More sharing options...
Osgeld Posted March 20, 2019 Share Posted March 20, 2019 There's a video of LGR running MS-DOS on a a Ryzen cpu lol I run DOS 6.22 all the time on my FX and i7 machines not to actually run programs and whatnot but sometimes its just easier to set up a hard drive in dos on a newbox, pop into windows and dump the drivers and utilities that went with it I downloaded from compaq or whatnot and move on with life its still x86, it works fine ... within reason, bone stock forget USB, SATA in AHCI mode etc Quote Link to comment Share on other sites More sharing options...
+OLD CS1 Posted March 21, 2019 Share Posted March 21, 2019 Apple ≠ orange. Running MS-DOS on a Ryzen is a demonstration of CPU backward-compatibility. Running Windows 10 on a '486 is software backward-compatibility, or CPU forward-compatibility if you want to call it such. 2 Quote Link to comment Share on other sites More sharing options...
DragonGrafx-16 Posted March 23, 2019 Share Posted March 23, 2019 I never said it was the same thing... lol Quote Link to comment Share on other sites More sharing options...
+OLD CS1 Posted March 25, 2019 Share Posted March 25, 2019 I never said it was the same thing... lol The inference was natural given the discussion at hand. 1 Quote Link to comment Share on other sites More sharing options...
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