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Re: What ISA cards for an IBM 5150?

Posted on 2022-09-27, 21:27

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Shponglefan wrote on 2022-09-27, 21:04: Though OP has stated they want to use this for an actual gaming machine. Which is a different set of goals. The latter involves working within the limitations of the hardware and using it for stuff that is actually playable. At this point, I'll be happy if …

Re: What ISA cards for an IBM 5150?

Posted on 2022-09-27, 01:40

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

You won't get much out of VGA with this machine, better EGA, but if you don't have an EGA monitor than your options are limited. If you're going to get a VGA card, get a Western Digital or S3 card. They should be pretty compatible. Stay away from Tseng (doesn't implement EGA well) What's your …

Re: What ISA cards for an IBM 5150?

Posted on 2022-09-27, 01:38

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The PC's case is already holding up my workstation's modern-day monitor at eye level for me, and it has VGA. Putting this motherboard inside will be a nice addition, but I can't see myself with a CGA monitor at the desk as well.

Re: What ISA cards for an IBM 5150?

Posted on 2022-09-26, 21:40

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Okay, assuming I get the thing to boot (I think it has a dead/shorted capacitor) here's what I'm thinking now: VGA - To be determined Audio - Snark Barker or Blaster Board FDD/Serial - Monotech DeluxeFloppy RAM expansion - Lo-Tech EMS 2MB HDD - Rear-bracket-accessible CF card adapter Another thing …

Re: SCSI on a 386 MS-DOS machine

Posted on 2022-09-26, 03:42

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It may have been released a bit later than the build you have in mind, but I know Creative made a Sound Blaster 16 with a SCSI CD interface. It was model CT1770.

Re: What ISA cards for an IBM 5150?

Posted on 2022-09-23, 21:49

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Unfortunately Monotech DeluxeFloppy doesn't do IDE. It just provides support for all floppy formats (up to 2.88 MB), which 5150 BIOS doesn't support out-of-the-box. I wouldn't upgrade CPU in such beautiful, old PC. Just leave it as is, and run period correct software (made for 4.77MHz). For DOS …

Re: What ISA cards for an IBM 5150?

Posted on 2022-09-23, 18:06

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Sphere478 wrote on 2022-09-23, 17:53: This system is gonna be verrry slow haha. But it looks like one heck of a fun build :p How about this upgrade CPU? I think it's the same one you can order for the NuXT board. Would that improve the system's speed? https://www.ebay.com/itm/225065186119

Re: What ISA cards for an IBM 5150?

Posted on 2022-09-23, 17:37

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Backstory: I've been using an empty IBM 5150 case as a monitor riser at the e-cycle facility I work at, and someone finally dropped off a 5150 motherboard I can install into it. I thought it would be cool to make the system functional again, and maybe play some games on it during breaks and downtime …

What ISA cards for an IBM 5150?

Posted on 2022-09-23, 05:47

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I'd like to make a light DOS gaming machine but the motherboard is limited to just five 8-bit ISA slots and 64KB RAM. So far I have the following cards in mind: VGA Audio FDD/IDE/Serial - Monotech DeluxeFloppy RAM expansion - Lo-tech EMS 2MB I'm open to suggestions for the VGA and Audio cards, and …

Re: Looking for storage advice for a 98SE build.

Posted on 2022-09-21, 03:12

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I've used both CF and SD adapters on my IDE motherboard. (And a CF to SD adapter too. :P) I haven't seen many places selling CF cards these days, but Micro SDs will work just fine in a full size-size SD card adapter. The limit for 98SE is 132GB, so I wouldn't exceed a 128GB drive. If you choose SD …

Re: CD Drive question

Posted on 2022-09-20, 16:09

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Looks like the IDE master/slave selector to me. The Factory pins are probably for debugging.

Cacpacitor list for IBM 5150 motherboards? (16-64KB version)

Posted on 2022-09-20, 13:47

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I found a non-working IBM 5150 motherboard that I'd like to try recapping, but I don't know how to read capacitors and I'm not seeing "kits" for the task online. Can somebody please tell me which ones and how many of each I'll need?

Re: 200W AT power supply

Posted on 2022-09-19, 17:37

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

matze79 wrote on 2022-09-19, 08:09: https://www.ebay.de/itm/132907860793 Well, there a lot on Amazon, Ebay etc. Not the adapters, this converter: https://x86.fr/atx2at-smart-converter/

Re: Startech “ PS/2 to USB Keyboard and Mouse Adapter”

Posted on 2022-09-18, 15:07

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I use Tripp-Lite's version: https://www.tripplite.com/ps-2-to-usb-converter~0dt60002 It's not cheap, but I can confirm their claim that it works with USB KVM switches.

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

Posted on 2022-09-18, 01:34

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Today I dropped off my Retro Rig's motherboard a few of its expansion cards to be recapped.

Re: Maximum Output of PS/2 port to Power USB Device with Adapter

Posted on 2022-09-17, 19:41

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have a few laptops that have no USB but use add-on devices that need USB power, like an OPL3LPT or external speakers that run off USB power. Anyone know how much power I can safely draw off an external keyboard or mouse port to run those using a PS/2 to USB adapter? Have you considered connecting …

Re: 200W AT power supply

Posted on 2022-09-17, 16:38

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I use their 400w in my Retro Rig Be sure to use a DC-DC based ATX PSU then, or you may end up with weird results Modern PSU focus on 12V Power. But most Retro PCs need plenty of 5V. (Slot1/A/Sockel A etc) That's why I bought the Athena, I wanted to be sure there was enough 5v, -5v, and 12v power …

Re: 200W AT power supply

Posted on 2022-09-17, 14:18

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

200W is more than enough for that. If you're unsure, Athena Power still makes 400w AT PSUs today. :P The 300W is a "gutless wonder" (at least the one that was taken apart on Tech Tangents ), so I wouldn't trust the 400W. I use their 400w in my Retro Rig. Definitely overkill for my purpose, but my …

How to remove metal badge from IBM keyboard? (For replacement, of course)

Posted on 2022-09-16, 22:52

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I ordered a new metal badge for my IBM model M, but I don't know how to remove the scratched-up one without damaging the surrounding area. Please advise?

Re: 200W AT power supply

Posted on 2022-09-16, 13:09

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The power supply should have a sticker showing the power ratings for each rail. Devices like hard drives typically show how many amps they draw as well. If you're unsure, Athena Power still makes 400w AT PSUs today. 😜

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