Hardware Hacking

WARNING: HARDWARE HARM

People who know the limitations of the hardware generally write device drivers. Usually your

hardware manufacturer or OS manufacturer will provide the necessary device drivers, but

sometimes you’ll need to write your own. For example, a device driver might be unavailable

for your hardware, or the available device driver might be unnecessarily conservative or

restrictive. If you aren’t sure of the physical limitations of the device—maximum safe clock

speed of your processor, for example, or maximum safe refresh rate of your monitor—you

can do irreparable harm to your equipment. When writing your own device driver, be sure

you know ...