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Re: "CMOS inoperational System Halted" error on Unknown 386 board

Posted on 2021-12-31, 17:34

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

"CMOS inoperational system halted" sounds like an error with the RTC to me. Maybe it's simply because the battery is missing ? Try to add a battery to the circuit ? Interesting board, manufacturer code 1187 is undocumented, if we can find who that is, it'd be pretty cool ! I have never seen that …

Re: Help for jumper of 486 motherboard

Posted on 2021-12-27, 14:17

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello, we don't have this board in ultimateretro.net Could you provide a bios dump using this DOS program http://cd.textfiles.com/microhaus/mhblackbox3/MEMORY/GETROM.ZIP and a good picture without a watermark ? With these infos we might be able to identify your motherboard and find documentation (or …

Re: BIOS image collection - requests, discussion etc

Posted on 2021-12-26, 17:28

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

27c512 : 40-0101-001128-00101111-080893-SIS461 Is for a chaintech with sis 85c461 chipset, that seems to correspond to https://www.ultimateretro.net/en/motherboards/1207 27c010 : 02/22/95-VT82C505-2A4L4000-00 seem to be made for some fic : https://www.ultimateretro.net/en/bios/?postString=2A4L4 …

Re: BIOS image collection - requests, discussion etc

Posted on 2021-12-26, 16:28

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

@weedeewee sure you can 😀 (you can also send them through our discord). I think this is this board : https://www.ultimateretro.net/en/motherboards/4166 It seems to have been mistakingly listed as hx pro instead of tx pro. If you check the MTL manual it also says tx pro

Re: BIOS image collection - requests, discussion etc

Posted on 2021-12-26, 14:35

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Well this is true, but the POST string says "PC CHIPS" and it has the pcchips id string. The "wrong ROM" is also not an option since we have a bios on ultimateretro which is the same. Maybe they released this board under the pcchips brand but actually made a decent board for some reason. Or maybe …

Re: BIOS image collection - requests, discussion etc

Posted on 2021-12-25, 00:49

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Good question we are wondering the same thing https://www.ultimateretro.net/en/motherboards/8433

Re: Replace 486 board fake cache with real cache

Posted on 2021-12-24, 08:25

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Well for pcchips boards I don't think there's any of that, they seem to detect when cache is present or not and will actually report a different message : "cache enabled" when there's no cache and "xxxkb cache detected" when there's actually cache. Same happened on non pcchips boards. I think that …

Re: Need to identify this 386/486 motherboard

Posted on 2021-12-24, 00:00

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Could you please dump the bios so we can add your board to ultimateretro.net ? For the jumper settings, I don't think there's much to do except figuring out the settings yourself. If you can find which pin goes where, maybe some of us could help you. Cache settings probably go to the main chip of …

Re: SOLVED picked up a cheap faulty 486 vlb motherboard today UC4914-G

Posted on 2021-12-23, 17:10

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thanks, I completely forgot about this board, ultimateretro didn't exist at the time. I have added your bios here https://www.ultimateretro.net/en/motherboards/2118

Re: M915i / DX9200 / 80486VIP - Adding SRAM

Posted on 2021-12-23, 17:02

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Can you take a picture of your chips ? They might indeed be faked. Try to scrub them with alcohol and a Q-tip. If there's paint that comes off of it, it's definitely faked. However even if it doesn't go away it can still be faked. There are other signs of faking that can be seen

Re: Replace 486 board fake cache with real cache

Posted on 2021-12-23, 13:20

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Interesting. I believe the bios could be modified to unhide the cache setting (because it's probably there and just hidden). Now there might be something else to be wrong with that board, I mean the board should boot without cache installed (why would anyone fake cache and ship a board that cannot …

Re: Elpina BA E-VO Socket 7 motherboard manual?

Posted on 2021-12-22, 22:36

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Don't link win3x.org/uh19, it will be gone soon (check the main page) use this : https://www.ultimateretro.net/en/motherboards/4160

Re: Socket 4 board not booting - need help

Posted on 2021-12-22, 21:48

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Could you please take a nice picture of your motherboard ? The picture we have is rather bad. We'll credit you of course 😀

Re: The Retro Web - A modern(ish) hardware database

Posted on 2021-12-22, 16:52

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello there ! Long life to your site 😁

Re: M915i / DX9200 / 80486VIP - Adding SRAM

Posted on 2021-12-22, 07:23

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

For a dx2, even 20ns should work. Can you post a picture of your mod ? Make sure that the chips are properly inserted in the sockets and you didn't bend any pins.

Re: USB to Serial Mouse using the Pi Pico!

Posted on 2021-12-21, 21:30

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Well you're right about the fact that people may try settings that suit them the best and then live with that. However just doing that with jumpers makes the whole thing harder I think. I mean, you have the choice between moving your set so you can easily reach the rear and then test different …

Re: BIOS image collection - requests, discussion etc

Posted on 2021-12-17, 23:14

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Well, the spelling might have been wrong on my side, but the source material is shared it seems, because I've seen someone else having "Trangg Bow" used on their data.

Re: BIOS image collection - requests, discussion etc

Posted on 2021-12-17, 16:14

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

BreakPoint wrote on 2021-12-17, 14:46: Yes, but i would like to identify board first. Bur the bios can be used to identify the board 😅 The post string is 30-0100-ZZ1277-00101111-050591-SCAMPSX 1277 is apparently "Trangg Bow"'s id

Re: BIOS image collection - requests, discussion etc

Posted on 2021-12-17, 14:42

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Can you provide a bios dump ?

Re: Motherboard Chicony 471B And DX4 CPU settings

Posted on 2021-12-16, 11:24

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Your board is also documented here https://www.ultimateretro.net/en/motherboards/1261 Looking at the board it seems that the jumper doesn't control the CPU voltage at all so it should be safe to try both settings. Please report back which setting works, this way we can precise it on the page

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