Category Archives: Western Digital

Centaur Close-ups

Readers have expressed interest in seeing what exactly a Western Digital ‘Centaur’ drive looked like. I took a few photos of a WD95044-A drive, the larger capacity (40 MB) and newer variant of the WD Centaur family. Some photos were … Continue reading

Posted in PC hardware, PC history, Storage, Western Digital | 3 Comments

Recalibration Needed

The OS/2 Museum recently acquired two horribly slow old Western Digital IDE drives model WD93044-A. These were WD’s first foray into IDE hard disks, combining a rather outdated Tandon RLL drive chassis (3.5″ half-height stepper drives) with WD’s own controller … Continue reading

Posted in Bugs, IDE, Western Digital | 32 Comments

WD1007V Commands

While researching material for a previous article, I wanted to examine the only AT-compatible ESDI controller I have, a Western Digital WD1007V-SE2. My board was made in 1990, the firmware is from 1989, and the controller was likely introduced in … Continue reading

Posted in Debugging, Documentation, ESDI, Western Digital | 2 Comments