This is obviously very old and out of date - not worth buying unless it's for 10p or you are bored. Turbo buttons and early pentiums!

"Although 33Mhz 80486DX based PCs were very expensive at one time, they are now quite affordable. This processor currently represents the best option for someone who requires a powerful PC without spending large sums of money".

This book is as much use as you would expect for a ten year old book on PC hardware. It doesn't have enough detail to make it useful for those repairing old machines alas. ( )