I have to agree with you, Undertaker ..........
I am becoming skeptical too

I have always been software and internet oriented in my knowledge and expertise and it has only been recently I have pushed to delve into the hardware side of it all - beyond the basic, integral and necessary knowledge accumulated through years of mucking about with things.

Most of that info. was taken from a textbook - of all things

I'v scanned the first page for you and it follows ...............