Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2022-05-16, 11:30

by

by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

MacSD, despite the name, purports Windows and DOS support. It is SCSI, however, but it does emulate both HDD and CD-ROM with analogue audio output. I have one, but have not yet tried it in an x86 environment.

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Re: 386 / 486 Build: Your Suggestions Please?

Posted on 2022-04-08, 06:21

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by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

ISA bus speed too fast perhaps? You'll need to check BIOS for the current multiplier settings

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Re: Are Laptop Parallel Port Floppy Drives Using Proprietary Cable?

Posted on 2022-03-02, 09:32

by

by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Have you thought about using a PCMCIA to CF adaptor? There's an ATA enabler for DOS (https://www.tssc.de/site/default.aspx#) that you can transfer with Hyperterminal (or just Terminal in Win 3.1) over serial, then you get a mass removable storage option.

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Re: Soundblaster Pro2 CT1600 detected, no sound

Posted on 2021-11-30, 18:15

by

by SpocksBeer

in Marvin \ Sound

in Marvin \ Sound

Well, there you go. Had that wrong in my head. Anyway, still good to check all the voltage rails at the AT plug on the motherboard. After that, try removing everything you don't need to make it boot (minimum expansion, drives, ram) and see if there's any change in behaviour. Focus on one problem at …

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Re: Soundblaster Pro2 CT1600 detected, no sound

Posted on 2021-11-30, 10:25

by

by SpocksBeer

in Marvin \ Sound

in Marvin \ Sound

The SB Pro at least needs -5v to function, so check that rail on the PSU. -10v seems kinda weird, nothing would be generating that from the PSU, so perhaps you have a general issue with the negative voltage rails

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Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2021-10-26, 21:39

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by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hurrah! More options! :) I really like that it's designed to be an everything solution. Will there be a way to add, say, CD images to the SD card while the unit is running either via USB or even WLAN? Could be a little inconvenient if you're using the device as your primary HD and you have to shut …

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Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2021-10-14, 00:10

by

by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Meanwhile, in Soviet Russia... https://www.youtube.com/watch?v=fFdFw1K25Js&a … channel=sinowin

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Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2021-10-13, 23:48

by

by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Would the STM32 platform be a more viable choice? Seems to be somewhat 5V tolerant, with a big asterisk. Surmountable?

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Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2021-10-13, 22:14

by

by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It already exists, though: https://opencores.org/projects/ata

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Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2021-10-13, 06:14

by

by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Pretty sure it works well, but no CD audio support possible this way

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Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2021-10-13, 04:55

by

by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

$150 US would be very reasonable, IMO now we are arguing about 25% No, you are :p More to the point, a $150 drop-in solution (which IDE Sim isn't) would be a reasonable deal. IDE Sim currently clocks in at closer to $400 for a non-US buyer if you buy the Crystalfontz display thanks to their use of …

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Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2021-10-12, 21:48

by

by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Poking around the webs, it looks like the groundwork for the ATAPI side of things already freely exists: https://www.latticesemi.com/products/designsoftwareandip/intellectualproperty/referencedesigns/referencedesigns02/ideatainterfacecontroller The reference FPGA for this design isn't super …

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Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2021-10-12, 10:10

by

by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The Tattiebogle IDE Sim. Yeah it's probably too expensive for what it doesn't include, but it's not really targeted at the PC market I don't think, it just happens to the mostly compatible. Functionally it works well though. I do wish it was under slightly more active development, but wishes aren't …

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Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2021-10-11, 23:09

by

by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Poking around the webs, it looks like the groundwork for the ATAPI side of things already freely exists: https://www.latticesemi.com/products/designsoftwareandip/intellectualproperty/referencedesigns/referencedesigns02/ideatainterfacecontroller The reference FPGA for this design isn't super …

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Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2021-10-01, 11:05

by

by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Currently I'm using the "dangling in mid air, suspended by cables" method. I'll shortly add a rear bracket to at least give me access to the USB (using these two things: http://d.digikey.com/dc/KnEa49LIxePFwHl32X6QV3sVGGRaMAIWpSLINqvqN6_o_FzMKVZ1LHW-BP2izgsIJuZmllObpTQokYUuYTMuHxVTK3_jDBxq- …

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Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2021-09-21, 22:45

by

by SpocksBeer

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

So I took the plunge and bought one of the Tattiebogle IDE Sims, plus a Crystalfontz display. I gotta say, once I'd jumped through a few slightly obscure hoops (scavenge firmware 0.314 from the issue tracker, switch to OAKCDROM.SYS, enable DMA in Windows 95), the device seems to be working very …

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Re: PCI video cards: finding my happy place

Posted on 2021-09-20, 05:49

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by SpocksBeer

in Marvin \ Video

in Marvin \ Video

Oh it's really just for fun and learning, with a side of information sharing for others. Looking at the compatibility matrix, the Macronix card actually looks pretty great, and a couple of FPS here or there isn't much of a factor to be honest. I'm mostly just interested in how the "gold standard" ( …

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Re: PCI video cards: finding my happy place

Posted on 2021-09-20, 04:19

by

by SpocksBeer

in Marvin \ Video

in Marvin \ Video

We only live once, I guess. I'll find one and give it a go. 😀

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Re: PCI video cards: finding my happy place

Posted on 2021-09-20, 04:01

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by SpocksBeer

in Marvin \ Video

in Marvin \ Video

I was wondering about compatibility. I'll fire up some of those games and see how I go, but at the end of the day I don't have unlimited resources, and finding a "good" Virge seems to be a crapshoot.

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PCI video cards: finding my happy place

Posted on 2021-09-20, 03:31

by

by SpocksBeer

in Marvin \ Video

in Marvin \ Video

Hello all, Just thought I'd share my experiences recently with finding the right video card for my system. The system in question is a P133, 64mb RAM. Nothing special, I have faster systems elsewhere, but this is my current project and should make a nice DOS era PC. It came originally with a S3 Trio …

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