Re: Help ID 486 board & BIOS update to support EDO RAM

Posted on 2024-04-02, 11:45

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What is the two letter code on that SiS 496 chip right above the copyright year? if it says "PR" it supports EDO, if it says anything else it doesn't. As far as the board, I don't think it's actually a lucky star. It looks similar but the BIOS, CPU and cache are all in the wrong place. Are you sure …

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Re: IBM MWave related

Posted on 2024-01-21, 16:44

by

by RiP

in Marvin \ Sound

in Marvin \ Sound

Sky92 wrote on 2024-01-16, 09:52: Did you ever get it to work in the end? No, I sold it.

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Re: Cedar Mill in early 775 motherboards

Posted on 2024-01-04, 19:54

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Is it safe to use Cedar Mill with Gigabyte GA-8IPE775-G (rev. 1.1) ?

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Trident 8900C corrupted video

Posted on 2024-01-01, 22:37

by

by RiP

in Marvin \ Video

in Marvin \ Video

Is it possible to fix this problem? 🤔 My card is Trident TVGA8900C TV-8900-8S-C10

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Re: S3 805 VLB repair (JATON VL41C/V2 S3 805 86C805)

Posted on 2023-09-12, 19:48

by

by RiP

in Marvin \ Video

in Marvin \ Video

mt777 wrote on 2021-08-22, 09:53: brand doesn't so matter, just FPM instead EDO on ISA/VLB cards. It is hardly to find them (due to on common S3 cards there are EDO rams in sockets which could be pulled). I bought bunch of FPM SOJ 256kx16 from ALI. EDO worked fine in my S3 805 (P) VLB

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Re: need help for jumper settings 386/486 opti495slc board

Posted on 2023-07-18, 18:59

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I wish we could find the model of this motherboard 🙁 Need to identify this 386/486 motherboard OPTi 82C495SLC

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Re: ECS Elite UM8810PAIO REV:2.1

Posted on 2023-07-11, 16:13

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

1. What program should I use to flash the phoenix BIOS? 2. My UM8810PAIO r2.1 doesn't detect the cache memory. What should I do? 🙁 3. Is it possible to find the schematic of its VRM to build one? 😕

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Re: VR-100 VR-102 VRM for UM8810PAIO

Posted on 2023-07-07, 14:34

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thanks, I want to build one.

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VR-100 VR-102 VRM for UM8810PAIO

Posted on 2023-07-05, 11:14

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Does anyone have the VR-100/VR-102 VRM schematic for ECS UM8810PAIO 2.1? 🤔

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Re: Need to identify a missed capacitor on BEK-P407 aka LS-486E Rev D

Posted on 2023-07-05, 10:41

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Just thought I'd mention that isn't the same as a LS486E Rev D https://www.elhvb.com/webhq/models/486pci/ls486edp.jpg Yes, that's the 2SIMM version: https://theretroweb.com/motherboards/s/lucky-star-ls-486e-rev-d-2simm Mine is the 4SIMM version: https://theretroweb.com/motherboards/s/lucky-star-ls- …

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Need to identify a missed capacitor on BEK-P407 aka LS-486E Rev D

Posted on 2023-07-04, 20:20

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello all! Does anyone know the capacity and voltage of this capacitor?

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Re: Parity

Posted on 2023-05-22, 20:25

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have few modules with clear signs of chips being sanded and relabeled, so yes, it's quite possible that some chips on your modules (not necessarily the parity ic) are fake. Try acetone test on yours. IPA will wipe fake white labels, while acetone can dissolve black goo used to cover the sanding …

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Fake Parity

Posted on 2023-05-21, 14:05

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

So far, I have found about 4-5 parity models that are not compatible with some motherboards. Are they fake?

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Re: Need help identifying motherboard please

Posted on 2023-02-17, 20:42

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

GMB-486APS motherboard is very similar: https://stason.org/TULARC/pc/motherboards/V/V … S-VER-1-00.html https://www.elhvb.com/mobokive/Archive/Gemlig … s/486aps100.pdf

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Re: FX-3000 motherboard thread

Posted on 2023-02-01, 07:52

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Unfortunately, I have exactly the same problem of no booting with any kind of the listed 486-CPUs. It works only with 386/387-chips. All jumpers are set correctly; no jumpers are missing; all sockets (386/486) are present on the board ; no visible damages on the board My board is FX3000, BIOS-Ver …

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Re: MB-4D50L doesn't hold date/time

Posted on 2022-12-16, 14:12

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Peter z80.eu wrote on 2022-12-06, 14:16: @RiP - it's a long time ago, but meanwhile I got the same problem. Did you added the 2 Diodes and the resistor, and if, what resistor value have you taken (e.g. 270 ohms... but I would start with the highest to be considered value always) ? Yes, I used 1k …

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Re: Problems getting Lucky Star ls486e Rev.C to post.

Posted on 2022-09-22, 21:26

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

brostenen wrote on 2016-10-25, 00:21: Posted with an dx33 and dx2-66. Guess this board can not run 3v CPU's. All my 5volt's have posted now. Board set up with Intel 486dx2-66 and 64mb 60ns FPM. Could you get it to work with 3V CPU? My LS-486e rev C2 works only with 5V CPU 🙁

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Re: Need to identify this 386/486 motherboard

Posted on 2022-05-28, 13:31

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

evasive wrote on 2022-05-27, 10:53: Made a page for it: https://www.ultimateretro.net/en/motherboards/11527 Thanks, this photo is better:

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Re: Need to identify this 386/486 motherboard

Posted on 2022-05-23, 17:48

by

by RiP

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Deksor wrote on 2022-05-06, 09:17: You don't need a programmer to dump a 64kb or less bios (which is your case) 😀 Disable shadow bios in the CMOS setup if it's enabled and then run this program http://cd.textfiles.com/microhaus/mhblackbox3 … MORY/GETROM.ZIP Here you are:

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Re: Need to identify this 386/486 motherboard

Posted on 2022-05-06, 08:16

by

by RiP

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 …

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