Socket 3....................(486 CPU's from AMD, Cyrix & Intel)
Socket 5....................(Intel Pentium 'Classic' and AMD K5, Cyrix 5x86)
Socket 7....................(AMD K6, K6-2, K6-III, Intel Pentium, Pentium MMX, Cyrix 6x86 & derivatives)
Socket 8....................(Intel Pentium Pro)
Socket A/462................(AMD Duron 'Spitfire', AMD Duron 'Morgan', AMD Athlon 'Thunderbird', AMD Athlon XP 'Palomino', AMD Athlon MP 'Palomino', AMD Athlon XP 'Thoroughbred', AMD Athlon XP 'Thoroughbred B', AMD Athlon MP 'Thoroughbred')
Socket 370 PPGA.............(Intel Celeron 'Mendocino', VIA Cyrix III 'Samuel')
Socket 370 FC-PGA...........(Intel Celeron 'Cu-Mine', Intel Pentium III 'Cu-Mine')
Socket 370 PC-PGA2..........(Intel Celeron 'Tualitin', Intel Pentium III 'Tualitin')
Socket 423..................(Intel Pentium IV 'Williamette')
Socket 478..................(Intel Celeron 'Williamette', Intel Celeron 'Northwood', Intel Pentium IV 'Williamette', Intel Pentium IV 'Northwood')
Slot A......................(AMD Athlon 'Classic', AMD Athlon 'Thunderbird'[very rare, was mainly distributed through the OEM Market])
Slot 1......................(Intel Celeron 'Cacheless', Intel Celeron 'Mendosino', Intel Pentium II, Intel Pentium III 'Katmai', Intel Pentium III 'Cu-Mine')
Slot 2......................(Intel Pentium II 'Xeon', Intel Pentium III 'Xeon')
If I missed anything....sum 1 else fill ti in...I think ive covered most of the important stuff.......
<A HREF="http://www.anandtech.com/mysystemrig.html?id=13597" target="_new">-MeTaL RoCkEr</A>