Intel Mobile Pentium MMX

Intel Pentium MMX Features 133-266 MHz tact 60/66 MHz FSB 4.5 Million Transistors 0.35µm or 0.25µm fabrication process 1.8-2.45 VCore 2x 16KB L1-Cache 256KB or 512KB backside L2-Cache APIC MMX instruction set

Available Types and ThinkPads featuring them

Model/Freq. (MHz)	L2 Cache (KB)	FSB (MHz)	VCore (V)	TDP (W)	ThinkPad Models
Pentium MMX Mobile
300	512	66	...		i Series 1411, i Series 1451
266	512	66	2.0		235, 380XD, 385XD, i Series 1410, i Series 1450
233	512	66	1.8		380XD, 385XD, 390, 560X, 600, 770
200	512	66	1.8		560X, 770
166	512	66	1.8
Pentium MMX
233	256	66	2.45		560X
200	256	66	2.45		560X
166	256	66	2.45	9.0	310E, 310ED, 380ED, 385ED, 560E, 760XD, 760XL, 765D, 765L
150	256	60	2.45	8.6	310E, 380D, 380E, 385D, 535E, 560E
133	256	66	2.45	7.8	310E, 310ED

Thermal Specifications

For P55C .35 micron 133-166 MHz: 95 °C for TCP, 85 °C for PPGA.
source: "mobile Pentium® processor with MMXTM technology", Order Number 243292, June 1997.