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Re: Replacing a choke coil

Posted on 2018-12-21, 16:48

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

gdjacobs wrote: I would expect an iron powder core to similarly have issues with variable mu. Best to measure the inductance directly. Also, don't forget to measure DC resistance of the coil to factor in. All this is impossible for me to do if only for the fact I dont know how to do half of them.. …

Re: Sound card for retro PC

Posted on 2018-12-21, 16:47

in Marvin \ System Specs

in Marvin \ System Specs

OPTi 928/929/930 are also valid options as they are usually found alongside genuine or cloned opl chips but they do have compatibility issues with games when running as sb pro in my experience; we can discuss esfm vs opl3 all day but the ess audiodrives are generally more problem free and have …

Re: What retro activity did you get up to today?

Posted on 2018-12-21, 11:18

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I wish there were a pyramid or mountaintop monastery being built around here, so I could hide a few of these in the walls and confuse the hell out of future archaeologists. CameraZOOM-20181220134311240.jpg https://en.m.wikipedia.org/wiki/Voynich_manuscript Thanks, I just spent 20 minutes reading …

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

Posted on 2018-12-21, 11:16

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Is there anything that can be done about all this corrosion on this AT case to make it more shiny again? The painted cover is fine, but all shiny parts inside and outside have corrosion like this. Or should I just throw the case in the bin? case1.jpg I would just sand it down with fine grit sand …

Re: Replacing a choke coil

Posted on 2018-12-21, 11:15

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Yeah the toroid seems to be an iron powder core..

Re: Bought these (retro) hardware today

Posted on 2018-12-21, 11:02

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Grabbed the two of these for $5 inc. shipping and now my ISA sound card collection is up to 24 cards. :cool: https://i.postimg.cc/cKRSGZJQ/Best-Union-MF-719.jpg https://i.postimg.cc/R6vzM832/Typhoon-LCKMOSND931.jpg Repairs finished on this card (not the cleanest solder jobs..) https://i.postimg.cc/ …

Re: Replacing a choke coil

Posted on 2018-12-21, 06:07

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Sounds like too much hassle for a PCChips board I'm afraid 🙁

Re: Old fart topic: What was your hardware specs in 1992?

Posted on 2018-12-20, 20:41

in Marvin \ System Specs

in Marvin \ System Specs

My first scientific calculator was a Casio fx6300g. Still have it, but the screen is half dead and the membrane has partially failed.. Not sure if replacement parts for these things are easy to come by?

PCChips M537 capacitor rating help request

Posted on 2018-12-20, 14:57

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

If anyone has a working PCChips M537 motherboard at hand could they please tell me the ratings of the capacitors at EC12 and EC17? These components are located to either side of the CPU socket..

Replacing a choke coil

Posted on 2018-12-20, 08:09

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I acquired a Socket 7 motherboard not long ago.. Aside from a few missing capacitors, it also has a broken coil choke. It seems to me a ferrite bead of 12mm external 8mm diameter with a 12 loop copper coil around it.. I don't know how to determine (or guesstimate) the rating of this part, where to …

Re: Bought these (retro) hardware today

Posted on 2018-12-20, 07:14

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

All keyboards...? There are definitely things out there I would buy in almost any state of filth (Model F or Model M...), but equally really low-end rubber dome monstrosities I would not touch NIB for free - which actually includes chicklet-style keyboards we're getting at work these days. Don't …

Re: Eye of the Beholder disk images

Posted on 2018-12-20, 06:04

in DOS

in DOS

I only have the KIXX XL versions of the Amiga disks 🙁

Re: Sound Card for Pentium 3 Build

Posted on 2018-12-20, 06:02

in Marvin \ Sound

in Marvin \ Sound

KCompRoom2000 wrote: *sigh* Should I just leave this forum now and go head to VCF instead? With that attitude, yeah you probably should.

Re: Why was Java, all these different programming language exists?

Posted on 2018-12-20, 05:52

in Milliways

in Milliways

Looking at the OP's history, are we participating in a field Turing test or are they just spaced out on a lot of mind altering drugs? The questions are usually very open, random in topic, and lacking in basic background knowledge such as one might get with five minutes' research. The OP's responses …

Re: Bought these (retro) hardware today

Posted on 2018-12-20, 05:35

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Is this an AT keyboard worth buying? Seems to be a well built modelwith key prints on the sides of the caps and whatnot, possibly mechanical?.. Filename AT Keyboard 1.png File size 393.89 KiB Views 435 views Filename AT Keyboard 2.png File size 412.29 KiB Views 435 views

Re: Sound card for retro PC

Posted on 2018-12-20, 04:50

in Marvin \ System Specs

in Marvin \ System Specs

realnc wrote: In my opinion the Terratec Maestro 32/96 is one the absolute best ones, but good luck finding one 😒 That card is GODLY and I'm dying to find one for cheap.. Good luck to me. I'm also dying for a Terratec Gold 16..

Re: Old fart topic: What was your hardware specs in 1992?

Posted on 2018-12-19, 21:51

in Marvin \ System Specs

in Marvin \ System Specs

Amiga 500 with extra 512K slow RAM. The family computer at the time was an XT clone with Hercules geaphics.

Re: Bought these (retro) hardware today

Posted on 2018-12-19, 20:34

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The AGP card on the far right lower corner is a Ti200 I think. The card on the upper right, the PCI VGA, is certainly a card that I would have liked to have, it seems to be a 96-98 era PCI card and those are always interesting to me..

Re: Sound card for retro PC

Posted on 2018-12-19, 17:23

in Marvin \ System Specs

in Marvin \ System Specs

cyclone3d wrote: What games have issues on the OPTi 930 when running as SB Pro? Descent and either X-Wing or TIE Fighter IIRC..

Re: Sound card for retro PC

Posted on 2018-12-19, 15:42

in Marvin \ System Specs

in Marvin \ System Specs

OPTi 928/929/930 are also valid options as they are usually found alongside genuine or cloned opl chips but they do have compatibility issues with games when running as sb pro in my experience; we can discuss esfm vs opl3 all day but the ess audiodrives are generally more problem free and have …

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