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#tiny486

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Continued thread

Just to be clear:

The #tiny486 is intended as a #devkit for #i486 (in theory even #i386, #i8086 or any other platform that does #ISA (& #PCI) or where one's willing to accept less functionality of a #PC104 compared to #PC104Plus.

As a #BareMetal reference platform for #OS1337 / @OS1337 because there is a demand for a "#BridgeMachine" with new parts even if it's just to do #Archival and #DataRecovery duties and help setup modern drop-in replacements.

  • I'd not be surprised if @TechTangents got contacted by some agencies that still have to deal with 8" FDDs and has to basically deny it.
General overview of the tiny486 Mini-DTX Mainboard with it's general areas being marked out.
Infosec.SpaceKevin Karhan :verified: (@kkarhan@infosec.space)Attached: 2 images I still think that a #tiny486 would be cool... https://github.com/OS-1337/tiny486/blob/main/documentation/internal/tiny486-diagram.pdf #PC104 #PC104Plus #RetroComputing #EmbeddedSystems #IndustrialComputing
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@timixretroplays yeah, I guess this shows @rasteri build this before businesses started upgrading tech.

I wished DM&P / ICOP would increase production or that there was an easier way to get other #ix86 SBCs from like #VIA (remember when they made #CUP|s?) or some #embedded variants from #Intel or #AMD.

#DOSBOX or similar do work well, but they don't provide the necessary I/O for a lot of use-cases.

Maybe you can drop in a different #Vortex86 which also has #ISA?

  • I know there are also Vortex86EX2 and others that may be an option...
Reference System for OS/1337 on i486. Contribute to OS-1337/tiny486 development by creating an account on GitHub.
GitHubGitHub - OS-1337/tiny486: Reference System for OS/1337 on i486Reference System for OS/1337 on i486. Contribute to OS-1337/tiny486 development by creating an account on GitHub.
Continued thread

@rasteri @TechTangents speaking of #storage: A main annoyance I found is that whilst there are #IDE -> #SATA adaptors that can just be plonk'd directly onto the mainboard, they are always either single-port or these weird "bidirectional" ones which means instead of a jumper/switch to say what side is the drive have two SATA ports and can only use one at the time.

  • There seems to be no IDE -> 2x SATA ports with like "master"/"slave" ports for SATA devices.

I know why these adaptors exist, so that there needs to be no manual printed (silkscreen explains everything) and only 1 part be made regardless if IDE-> SATA or SATA->IDE.

Still doesn't make it less annoying.

  • Maybe someone wants to take a look at the "stupider" IDE->SATA Adaptors and consider designing an IDE -> Dual-SATA adaptor?

I guess @rasteri and other #PC104 users can now get the beloved #ISA-#USB #Flashdrive card with native PC104 pinout to stack on boards.

  • Not that this is much of an engineering feat, as PC/104 is just a different form factor of ISA, but still nifty for #legacy / #industrial setups that may want to have more flexibility re: data storage.

I wounder if anyone got those ISA-USB controllers to work on #Linux distros tho.

  • Obviously they're slow (according to @TechTangents in the realm of a 1x CD-ROM drive) and not bootable, but still useful for systems without native USB ports.

I sadly don't have any system with ISA or PC/104 at hand (gotta build one i.e. #tiny486) so I can't test it anyway, but maybe a future revision of the #WeeCee may benefit from such an option (which I think also has the potential to be a good "bridge machine" for people dealing with legacy / industrial systems...

Given that I want to target i486 with @OS1337 but don't want to deal with obsolete hardware that is dying of old age, I think it's more fitting to consider a sort-of mainboard to shove some 486SX-SOM with PC/104-Plus on and have the few necessities hooked up to it. Maybe even put it inside a THINN #Pizzabox-style #case?

It would also make a new "bridge" machine to interface old PCI & ISA hardware and allow connecting i.e. a #QuadFlop and roll with that...

github.com/OS-1337/tiny486

Thoughts, @rasteri @polpo @TechTangents @lazygamereviews @foone ??