I am interested too .... especially in pc data equsition card design. ISA and PCI bus based ______________________________ Reply Separator _________________________________ Subject: Re: IDE HardDisk and PIC Author: pic microcontroller discussion list at smtpgwy Date: 11/6/97 3:05 PM Octavio, somewhere in the net you can found the IDE control lines, commands, ti= ming and specification. LMK, I am interested too. TIA & ciao. Claudio Rachiele IW0DZG =