Intel Mobile Pentium MMX

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

Available Types and ThinkPads featuring them

Model/Freq.	L2 Cache	Bus Speed	core Volt.	ThinkPad Models
Pentium MMX Mobile
266	512 backside	66	2.0	380XD, 385XD
233	512 backside	66	1.8	380XD, 385XD, 390, 560X, 600, 770
2331	256 backside	66	2.45	560X
2002	512 backside	66	1.8	770
200	256 backside	66	2.45	560X
166	256 backside	66	2.45	310E, 310ED, 380ED, 385ED, 560E, 760XD, 760XL, 765D, 765L
150	256 backside	60	2.45	310E, 380D, 380E, 385D, 560E
133	256 backside	66	2.45	310E, 310ED

GCC Optimization Flags

FOOTNOTES [Δ]

1. There is some likeliness that this is the same as the 512KB L2-Cache version and that IBMs specs are wrong for the 560X.
2. There is some likeliness that this is the same as the 256KB L2-Cache version and that IBMs specs are wrong for the 770.