Currently, these systems are being upgraded and replaced by current processors and motherboards. Pentium processors were socket 5 or socket 7. Pentium 60 through Pentium 200. Celeron Celeron processors are targeted for entry level systems. The orignial Slot 1 Celeron processors released in Spring of '98 did not have L2 cache.
Processor releases since that date also have cache built-in.
There are actually a few versions of this popular processor, all of which have used a slot 1 to mount to the motherboard. It uses a slot 1 to mount to the motherboard. 133 MHz FSB Intel's most recent new home and business processor is a continuation of the Pentium III family. New processors will operate at 133 MHz Front Side Bus. These processors are a slot 1, as predecessors were, and have 256KB L2 cache on-die, instead of 512KB cache.