For newbies as me who want to know more about hard Disk and how works, electronic. Heads, MFM, RLL, Heads Design , MR, IDE, ATA SCSI, etc
a Good book, and cheap book, Not only for Hard Disk .
Upgrading & Repairing PC´s
http://www.amazon.com/exec/obidos/tg/de ... 6?v=glance
A link for found any electronic component, by part search, model, family, its excelent
http://www.digchip.com/