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Re: ECS UM4980 v1.1 (486) motherboard

Posted on 2022-02-25, 12:25

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Looks like the ultimateretro photo is of v2.1 and that, to get the lower voltages, requires a VRM module, similar to the one necroware built and made a video about. It's the connecter right of the cpu socket that looks like it's filled with jumpers. The one on imgur seems to be v1.1 and has indeed a …

Re: I recently found this hardware, AKA the Dumpster find thread.

Posted on 2022-02-24, 22:17

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

another week, another photo... several ISA slots are damaged, varta still present, chip broken, spilled coffee with sugar on my keyboard, two 3.2GHz xeon 604s, one 2620v3 ISA slots are easy to replace. If you like the board, it can be repaired. Well, I had a closer look at the boards and .... yeah …

Re: Found my Viper 770 Ultra! But there's a problem.

Posted on 2022-02-24, 21:11

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The two pictures are of the same thing. The legs that go into the capacitor are broken right where they enter the capacitor. I don't know if I could resolder those two broken connections. There are four of these on the card, and they are all marked the same. The pads all look good, it's just the …

Re: I recently found this hardware, AKA the Dumpster find thread.

Posted on 2022-02-24, 15:34

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

BitWrangler wrote on 2022-02-24, 15:06: XT-ish board with a coin cell, that seems unusual. That Gigabyte GPU looks "still useful" what is it a GT560 or something? apparently mainboard for a philips nms9100 if the markings are correct. it's written underneath the labels. gv-r575d5-1gd - Radeon 5750 …

Re: I recently found this hardware, AKA the Dumpster find thread.

Posted on 2022-02-24, 15:01

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

another week, another photo... several ISA slots are damaged, varta still present, chip broken, spilled coffee with sugar on my keyboard, two 3.2GHz xeon 604s, one 2620v3

Re: Has anyone else tested hardware that seems defective but comes back to life on it's own?

Posted on 2022-02-24, 13:43

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Such hardware should always be place in a pyramid of power for several months to let the universe recharge the device with its energy. Intermittent problems are the worst.

Re: Keyboard crashes on old 386 motherboard

Posted on 2022-02-24, 12:30

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

some things that popped to mind... Could this 'weak' signal be due to broken or missing decoupling caps ? Is the voltage level the same/similar across the board? for example, I once had a board that was crashing regularly. I though I had to recap the psu which I didn't really feel like. The voltages …

Re: The Ultimate Retro project (formerly known as UH19) - a stason.org/TH99 alternative

Posted on 2022-02-24, 11:07

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Deksor wrote on 2022-02-24, 09:57: weedeewee wrote on 2022-02-24, 09:27: How many unknowns are still in the database ? 441 @sphere what do you mean about processors ? Thanks ! and Thanks again for the effort you guys put in. I still have an HT12 chipset based mainboard with a layout that doesn't …

Re: The Ultimate Retro project (formerly known as UH19) - a stason.org/TH99 alternative

Posted on 2022-02-24, 09:27

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

How many unknowns are still in the database ?

Re: 2 floppies in desktop case

Posted on 2022-02-23, 18:14

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Oh, the 5.25 connectors in particular are somewhat easy to carefully pull apart and crimp further up or down the cable...t he 3.5 ones can be too, but usually require messing about with a vice, or closing in a door hinge real carefully or something. Probably need jewellers screwdrivers and three …

Re: 286 motherboard repairs

Posted on 2022-02-22, 21:55

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Deunan, DMA channel 0 is normally used for memory refresh. googled it, found the song... and it's mentioned on the wiki of the intel 8237.

Re: Windows 11 has been released

Posted on 2022-02-20, 21:02

in Release Announcements

in Release Announcements

xcomcmdr wrote on 2022-02-20, 18:55: Bruninho wrote on 2022-02-20, 16:27: Ubuntu linux is miles better than any modern Windows. Nah, there's no games. And no Visual Studio. And VSCode.. Bleh ! All you'll need is basic, just plain old rombasic ! 😁

Re: Windows 11 has been released

Posted on 2022-02-19, 21:01

in Release Announcements

in Release Announcements

Hoping ? No TempleOS ? How dare you ! 😁

Re: 286 motherboard repairs

Posted on 2022-02-19, 19:15

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Deunan, does this bios code have any chipset specific code ?

Re: Windows 11 has been released

Posted on 2022-02-19, 09:14

in Release Announcements

in Release Announcements

funny i'm on w10-1909 and also get that 'get more out of windows screen' every once in a while ( a month, might be, never stopped to think about it too much)

Re: LEONARD C 17924D board with CPU 286

Posted on 2022-02-18, 21:50

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Just for starters, it's a 286 so 30 pin simms should be placed in pairs.

Re: Simm 72 pin edo or fpm how to identify with a PA-2005?

Posted on 2022-02-18, 21:47

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

You might get lucky looking up the part number, though sometimes one does not. I guess this page is a good starting point http://martenelectric.cz/simm-sipp-ram-chip-database.html

Re: power for an old serverboard

Posted on 2022-02-18, 12:38

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Report to your local denaturing office to be neutered and serve the elite as one of their eunuchs.

Re: power for an old serverboard

Posted on 2022-02-18, 09:08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Seems like neither of those will work separately, and the full system board will need a cpu module and memory module.

Re: I recently found this hardware, AKA the Dumpster find thread.

Posted on 2022-02-17, 19:09

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Bitwrangler, yeah I too am guessing one of those two with the BNC, AUI and RJ45 connector.

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