techtravels.org

Refilling Star Micronics NX-1020 black ribbon ink cartridges

I have an old Star Micronics NX-1020 Rainbow printer from circa 1993. I bought this printer using my paper route Christmas money that I saved up for months. The printer served me valiantly throughout the early 90s. This is a 9-pin dot matrix printer...

HP Agilent 5382A tear down with photos

I recently tore down an Agilent E5382A Flying Lead Set. I used a Torx T-4 bit to remove the (4) tiny tiny screws. This adapter has a 90-pin connector that comes from HP logic analyzer cards, and then goes out to single ended flying leads for direct...

Setting up a SCSI2SD on HP 167xxA for CDROM and HDD targets

This quick guide contains instructions on how to setup, configure, burn, and launch an install from a SCSI2SD when inserted into an HP/Agilent Logic Analyzer on the 16700 series. A fresh install is always recommended, just like for other operating...

Evaluating Battery Backup Solutions for CPAP machines

I recently had a need to provide a battery backup solution for a CPAP machine. A CPAP machine helps people, who suffer from sleep apnea, get a good night’s rest. About 20 million Americans suffer from this condition. This machine provides a...

Amiga MAST enhanced unidrive external drive teardown

Back in the Christmas of 1991 or 1992, my parents bought me an external floppy drive. It was $129, which was a lot of money back then. The equivalent price would be about $245 after inflation. I probably found this drive in either AmigaWorld...

On building an A500++

Commodore Amiga 500 Plus In the 1980s, Commodore made a newer version of their very popular Amiga 500, called the Amiga 500 Plus. It added a few things, namely newer versions of Kickstart and Workbench — both 2...