Entries tagged 'cat:CD-ROM'

Portable DIY CD Player Entry created on 2025-11-28 Authors: steeph (366) Categories: CD Players (1) CD-ROM (2) Computers (19) DIY (15) Electronics (15) Music (5) edit

I've had an idea!

What if there was a CD player that you can carry around and that's completely battery powered so you don't have to plug it into anything to use it? You could even use it outside!

Here's my prototype. A DIY portable CD player.

Yes, it has a CD-ROM drive from a desktop computer. I wanted to build a player like that since I was about 16. Back then CD drives still had play buttons and volume controls. But I accidentally killed it by swapping ground and 12 V. When this one fell into my hands this year, I knew what to do.

File Attachments (3 files)
Portable_CD_Player-1.jpeg (image/jpeg, 829213 B)
Portable_CD_Player-1.jpeg (image/jpeg, 829213 B)
Portable_CD_Player-2.jpeg (image/jpeg, 828782 B)
Portable_CD_Player-2.jpeg (image/jpeg, 828782 B)
Portable_CD_Player-3.jpeg (image/jpeg, 802836 B)
Portable_CD_Player-3.jpeg (image/jpeg, 802836 B)
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Looking for a 286 operating system Entry created on 2022-04-17 Authors: steeph (366) Categories: 80286 (1) AIX (1) Batteries (7) CD-ROM (2) CP-M (1) Computer (77) Desktop (1) IBM (1) ISA (2) MFM (2) MS-DOS (1) MikeOS (2) Olympia People (1) Peacock (1) Projects (40) Prologue (1) Retro Computing (6) Unix (1) VGA (1) Vintage (3) Xenix (1) Languages used: en (254) edit

I got myself a 286. A small tower PC made from collected parts from here and there, a clock display and turbo button, but a motherboard that doesn't seem to have a turbo mode. An MFM hard drive, Mitsumi CD-ROM drive, two floppy drives, a VGA card, IO card, a damaged case. It looks like I could have built it from parts I found here and there. I reckon that's how it was built. It's the first working 286 that I had since I so stupidly through out my IBM PS/2 Model 30. Well, it wasn't that stupid at the time. It was a conscious decision. But anyway. The only other time I had a 286 board was when somebody gifted me their old PC because it was both worthless and broken. The CMOS battery had leaked and I didn't know enough about electronics to make it work, had nobody to ask and internet wasn't really a thing back then.

I had been looking for a specific model before: A Peacock 286 desktop. But Not only didn't I find one for sale so far, I'm pretty sure it would cost more than I'd be willing to pay for a vintage PC just so I could own the same PC model that was the first computer I ever used (for homw work in first grade). The first computer I had contact with was an Olympia People. I didn't even look for one of these because it would be a serious collector's piece and be respectively priced.

So I got just any working 286 PC; just to fill the gap in what I therefore should now start to call my collection of vintage hardware. It just happened to be one with a working MFM hard disk. As if I didn't already have enough unfinished and unstarted projects now I even payed money to buy me another one. Because now I have to do something with this machine, obviously. I bought it weeks ago and it's getting bored.

I thought about what OS I might want it to run. MS-DOS would be the obvious choice. Too obvious for my taste. CP/M after that. But that's too similar. I want something different. But I don't even know what other systems exist that run on a 286. Linux should be out. (Although I haven't yet looked if somebody has made some part of the kernal work on a 286. I doubt it though. No extended mode, no multitasking.) IBM AIX wasn't available for the 286 models either. Are there other Unix clones or versions that run on a 286? Of course there are. I just don't know them. Prologue comes to mind. And Xenix. What others are there? Which one should I try? I could test MikeOS on it.

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