Re: Are any modern memory board replacments for 286 boards?

Posted on 2022-08-31, 19:18

by

by Pickle

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Ive been thinking about this and ive been wondering if one of these designs could be extended to support the additional 8 bit data lines. Ive imagined the sram chips could be changed to x 16 variants and then some logic to only drive the other byte if MEMCS16 is true. lo tech also has their 1 mb …

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Re: Are any modern memory board replacments for 286 boards?

Posted on 2022-08-31, 01:06

by

by Pickle

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

so i think ive found something that could work. I found that lo-tech has designed 1 mb and 2mb boards, tex elec is selling them but its too much for me at this point. Searching for more on the cards i discovered another board by sbelectronics. I asked him yesterday for the board files and he has …

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Re: Are any modern memory board replacments for 286 boards?

Posted on 2022-08-23, 02:45

by

by Pickle

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

@Horun any idea what the other connector is? ive wondered if it was access to another bus access to the cpu. I picked up the board as a part of a package and it very affordable and mainly out of curiosity). If i do get it working its not cause of how fast it could be compared to other systems. I can …

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Re: Are any modern memory board replacments for 286 boards?

Posted on 2022-08-23, 00:57

by

by Pickle

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

been slightly thinking about if an esp32 could act a memory controller. Found some modules with 8mb which would be more than enough. Number of gpio might be questionable. Maybe with some multiplexing it could be possible. It would need voltage level conversion. id be curious with anyone thoughts …

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Re: Headland based 286 with corrosion - locks up when reading from floppy disc

Posted on 2022-08-23, 00:10

by

by Pickle

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

i have had in the back of my mind that i saw someone on video talk about a small/large file problem and i think ive found right one. Adrian's Digital Basement talks about it and demonstrates here in the video the two file size problem: https://youtu.be/QFpJ3uWIqVQ?t=3090 Here he has the issue on …

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Re: Are any modern memory board replacments for 286 boards?

Posted on 2022-08-20, 14:50

by

by Pickle

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

its this one: https://stason.org/TULARC/pc/motherboards/A/A … REMIUM-286.html so the fastmem card attaches from the 16 bit isa to one of the special connectors on the other side.

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Are any modern memory board replacments for 286 boards?

Posted on 2022-08-20, 14:11

by

by Pickle

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Im curious if there ever has been a memory boards designed by anyone? I have a AST 286 board and far as can tell there isnt any memory on board and i dont have the huge fast memory board.

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Re: MIDICloud - MIDI out and Dreamblaster on serial port

Posted on 2022-08-10, 02:54

by

by Pickle

in Marvin \ Sound

in Marvin \ Sound

nice idea hope you have these still when i can buy more of your items. Having the serial option is nice and i use it for the mt32pi.

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Re: Voodoo 3 PCI Black screen stopped posting

Posted on 2022-08-02, 17:10

by

by Pickle

in Marvin \ Video

in Marvin \ Video

I was able to get the bios chip removed and read it back from the TL866 and its looks fine. I compared it to another and other than a string injected by the dumper of the internet bios its the same for the first 32K. The second 32K is all FF's except some bytes at the end. Maybe a serial number for …

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Re: Ati X800 and X850 issues displaying 1080p on win98, power supply recommendations.

Posted on 2022-07-21, 18:17

by

by Pickle

in Marvin \ Video

in Marvin \ Video

I think it depends on the system your running the card on. Based on the lockups and your on a newer supply the 5V rail amperage is too low. I recently switched my systems (socket 7 and socket A) to use Enermax supplies from the era. But just with a guess im thinking something around 350 watt with 20 …

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Re: Voodoo 3 PCI Black screen stopped posting

Posted on 2022-07-21, 18:00

by

by Pickle

in Marvin \ Video

in Marvin \ Video

@havli im glad you mentioned this cause i was actually thinking of trying this. I did see the card detected in one of the wind0ws 98 machines as a vga device earlier. I also found a 3dfx flash program on this page: http://3dfxbios.stantoworld.co.uk/ If you used something else can you give a link to …

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Re: Voodoo 3 PCI Black screen stopped posting

Posted on 2022-07-18, 03:29

by

by Pickle

in Marvin \ Video

in Marvin \ Video

yeah tried pushing the chips and no changes. I did some more voltage probing and not seeing anything out of place (but not knowing for sure on actual voltages). Im measuring 2.5 V out of the bottom regulator. The caps either have 3.3V or 2.5 V.

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Re: Voodoo 3 PCI Black screen stopped posting

Posted on 2022-07-15, 12:52

by

by Pickle

in Marvin \ Video

in Marvin \ Video

i was using it in primarily in systems. Both have PCI only, i recently picked up a cheap FX 5500. It as supposed to go into the pentium 3 system but wouldnt post. Put it in the socket 7 and it did. The socket 7 had the voodoo 3 and it did post in the pentium 3. This wasnt so bad as the P3 would run …

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Voodoo 3 PCI Black screen stopped posting

Posted on 2022-07-15, 03:52

by

by Pickle

in Marvin \ Video

in Marvin \ Video

This is a sad day, ive been running my voodoo 3 in my compaq 5000 and today i did a reshuffle of the cards to try to give the v3 some more room. I was planning to add a fan to it and wanted to maximize its space. Everything as working fine and i wanted to try redguard to see it performance. I had …

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Re: Need help with a strange soundcard (SB16+ICS wavetable)

Posted on 2022-05-24, 00:13

by

by Pickle

in Marvin \ Sound

in Marvin \ Sound

Here are the banks that i could find. I was going to try the GM_MAUI.WFB. Im still also trying tone out some of the pins to see where they go to on the ICS chip. That with the datasheet might help explain some of the settings. It would be awesome to see if you get the loader linked earlier to work …

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Re: UNISOUND - Universal ISA PnP Sound Card Driver for DOS v0.77a

Posted on 2022-05-15, 20:37

by

by Pickle

in Marvin \ Sound

in Marvin \ Sound

you just have to copy it somewhere and run it

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Re: wolfmidi+wolfdosmpu - Wolf3D/SoD music in General MIDI (fully-automatic converter) + WOLF3D.EXE with MPU-401 support

Posted on 2022-05-11, 12:21

by

by Pickle

in DOS

in DOS

maybe you could include it but keep off by default and allow these extra features to be enabled by command line?

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Re: Need help with a strange soundcard (SB16+ICS wavetable)

Posted on 2022-05-08, 00:40

by

by Pickle

in Marvin \ Sound

in Marvin \ Sound

So what can you run from the sim memory slots? Im just confused is the memory for GUS or for AWE32 functions? Seems like it would be 2 mb for GUS soundbanks? Definitely they are not to load samples in .wav form as in other WaveFront synts, you should look where the simm slot traces go, my bet these …

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Re: Need help with a strange soundcard (SB16+ICS wavetable)

Posted on 2022-05-02, 01:13

by

by Pickle

in Marvin \ Sound

in Marvin \ Sound

so i bought this card and like to give my findings so far. there are 2 apps in that driver sf32av and wflite, both seems to work. The wflite has an option to change the mpu address but i dont think it will have any effect since it seems the vibra chip can only do 330. I couldnt get diagnose to …

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Re: What is necessary to build a tiny audio mixer?

Posted on 2022-04-28, 01:21

by

by Pickle

in Marvin \ Sound

in Marvin \ Sound

your right you cant short the two signals together. what you really need is a line in on one of the cards and connect the line out from the other then the built in mixer can handle it. I do this with a audigy 2 and a vortex. i think for external hw using two analog to digital converters and then you …

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