On Thursday 29 May 2003 09:57 pm, Curtis H. Wilbar Jr. wrote: > I think the P4 is socket 378 and 478. Make that 423, the predecessor to 478. There was no 378 (just 370, but that was PIII). Man, somebody need to stick all of this on a timeline on the web so we don't have to go through this each time! -E.