The "first born" expansion slot, which existed when the first PC was developed along with the Intel 8088. It was characterized by its 8-bit data line connection to the CPU. It is also named the IBM PC bus and XT bus. In today's computers it is rightfully obsolete. It is identifiable by its’ one large connector with 62 channels.
 
 
 
 
 
 
 
 
 

All material and images on these pages are copyright Joseph,Ed. This page was developed for the Thinkquest1999 competition.