Intel Mobile Pentium II

Intel Mobile Pentium II Features 233-400 MHz tact 66 MHz FSB 7.5/27 Million Transistors 0.18/0.25µm fabrication process 1.6-1.7 VCore 2x 16KB L1-Cache 512KB backside or 256KB on-die L2-Cache QuickStart MMX instruction set

Available Types and ThinkPads featuring them

Model/Freq. (MHz)	L2 Cache (KB)	FSB (MHz)	VCore (V)	ThinkPad Models
Mobile Pentium II (Dixon)
400 (0.18µm)	256 on-die	66	1.55
400	-	66	1.6	390X1, 600E1
366	-	66	1.6	570, 600E, 770Z, i Series 1472
333	256 on-die	66	1.6	390E, 570
300PE	256 on-die	66	1.6	390E, 570, 600E
300	512 backside	66	1.7	380Z, 560Z, 600, 600E, 770X
266PE	256 on-die	66	1.6
266	512 backside	66	1.7	380XD, 390, 600, 770E2, 770ED2
233	512 backside	66	1.7	380XD, 380Z, 390, 560Z, 600

GCC Optimization Flags

FOOTNOTES [Δ]

1. It is possible that the 390X and 600E already featured the newer 0.18 micron 400MHz Mobile Pentium II.
2. It is not completely clear if the 770E and 770ED had Mobile Pentium II processors or desktop Pentium II processors at 266MHz.