Intel Pentium II Klamath core

Previous generation		Related core	Next Generation
	Klamath » 0.35 micron » Backside L2 cache Pentium II		Deschutes » 0.25 micron » 100 MHz FSB Pentium II

The Klamath core was introduced on May 7, 1997. This core is based on P6 microarchitecture.

New core features:

• Backside level 2 cache running at 1/2 of CPU frequency

Pentium II processors with Klamath core can be identified by:

• Part number: part number contains 80522.
  An example: DC80522PX2335EC.
• CPU ID: Processors with the Klamath core have CPU identification numbers 633 and 634.

	Desktop Pentium II
Manufacturing technology	0.35 micron
Frequency	233 MHz - 300 MHz
Fastest processor	80522PX300512 - 300 MHz 80522PX300512EC (B80522P300512E) - 300 MHz
Front-side bus	66 MHz
L2 cache	Backside 256 running at 1/2 of processor speed Backside 512 KB running at 1/2 of processor speed
Package	Single Edge Contact Cartridge
Socket	Slot 1