Lydian's FastMHz

Autie retro tech geek!

DIY 486 Laptop Using SBC

This project has one intent: Run Cubic Player with full 16b/44KHz sound in bed, without having to plug in. Specs are: AMD 586 (really a 486) 32MB RAM BATTERY POWERED – 12v@12aH lithium pack SB AWE64 ISA 120GB SSD FreeDOS The laptop is build in a small aluminum case.  I managed to find one that […]

Solar Powered Class-A RV

The Sun Powered Bus and Co has its own web site Learn About it: Get Your Own:

Vintage IBM Portable PC 5155

The IBM Portable PC, basically a 5160 XT in a case with a handle on it.  This one is fairly tricked out, with a full 640k, a 30MB RLL ST-238R HDD, 2GB CF adapter, MediaVision Thunderboard sound card and more. It’s running IBM PCDOS 2000 Can’t fit much more inside this chassis Rear view, showing […]

About Me (Lydian)

Facebook | Youtube | LinkedIn mtvSolar | Solar eGuage | SolarEdge Lydian’s Solar Class-A RV

IBM PS/2 Model 30 286 Project

The IBM PS/2 Model 30 is that version of PS/2 that has real 16-bit ISA slots in it rather than microchannel.  This is a good thing, because ISA cards are cheap and easy to find whereas MCA ones are expensive and good luck finding a sound card in MCA format. My PS/2 came to me […]

90s RetroComputing using Industrial PCs

This page is primarily about my 90s PC “tiny industrial builds”.  For my 80s collection, go HERE. Remember the good ‘ol days of C:\>, SET BLASTER, Cubic Player, and the PCDOS DemoScene? The glory days of computing when you set your modem’s jumpers to COM1, IRQ4 and it always worked? Or when you made your mouse […]

How I Built My Career

Sometime in 2012 I burned out from being a self-employed software developer.  There just isn’t any excitement for me there.  So I went back to school to enter the solar field and pursue my true passion – electricity and electronics.  Given that I’ve been playing with it since I was single-digit years old, I pretty […]

Vintage IBM 5150 + 5161 Project (Original PC)

This is my IBM 5150 PC with expansion chassis.  Main unit contains twin 360k floppies and expansion contains twin 10MB hard drives. The two look good together.  This is basically your maximum 5150 PC configuration, with 13 ISA slots total. Inside the main 5150 unit with floppy drives. The cards, from left to right (top […]

Vintage 386 Project

This is a 386 build in an XT chassis.  AMD 386DX @ 40MHz, 8MB RAM, 1.44MB + 1.2MB floppies, 600MB IDE HDD and CD drive. ALI M1419 386 motherboard Cards are my favorite clone SB from a Packard Bell, VGA and IDE+Floppy Controller  Running IBM PCDOS 2000 ATI VGA Wonder-16 Video Card Packard Bell Clone […]

Vintage 286 Clone Project – Rebuilding My First PC

My first computer, received around age 9 or so (1990), was a 286 clone made by the Korean Hyosung Computer Company.  I kept the motherboard and HDD, a Seagate ST225.  I finally got around to re-building it though with upgraded subsystems.  The original had the ST225 20MB HDD and 5-1/4 floppy.  I will likely add […]