Monthly Archives: August 2018

The History of a Security Hole

Warning: If you do not care for the finer points of x86 architecture, please stop reading right now—in the interest of your own sanity. A while ago I was made aware of a strange problem causing a normal user process … Continue reading

Posted in 386, BSD, Bugs, Documentation, PC history | 44 Comments

A Sound Card Before Its Time

A mysterious full-length sound card recently arrived at the OS/2 Museum. It was clearly manufactured by IBM in 1985, and sports a 20 MHz Texas Instrument TMS32010 DSP (the DSP is the large black DIP chip near the lower left … Continue reading

Posted in IBM, PC history, Sound | 20 Comments