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Mobile Pentium II 400
General Info
Designer	Intel
Manufacturer	Intel
Model Number	400
Part Number	KP80524TX400256, PMG40002002AA
S-Spec	SL3BW, SL3EM, SL3JW QB59 (QS), QB65 (QS), QC87 (QS)
Market	Mobile
Introduction	1999 (announced) June 14, 1999 (launched)
Shop	Amazon
General Specs
Family	Mobile Pentium II
Locked	Yes
Frequency	400 MHz
Bus type	FSB
Bus speed	66 MHz
Clock multiplier	6
CPUID	066Ah
Microarchitecture
Microarchitecture	P6
Core Name	Dixon
Core Family	6
Core Model	6
Core Stepping	mqpA1, mqbA1, mdxA0
Process	250 nm, 180 nm
Transistors	27,400,000
Technology	CMOS
Die	180 mm²
Word Size	32 bit
Cores	1
Threads	1
Max Memory	64 GiB
Multiprocessing
Max SMP	1-Way (Uniprocessor)
Electrical
Vcore	1.55
TDP	13.1 W
OP Temperature	-40 °C – 85 °C

The Mobile Pentium II 400 is a 32-bit x86 microprocessor, part of the Mobile Pentium II family, which operated at 400 MHz. This was the Pentium II Mobile family's highest performance processor. This processor had a TDP of 13.1 Watts. This chip was manufactured in 250 nm process and includes a smaller 256 KB of L2$ on-die. This is the only processor in the family to later be manufactured in 180 nm.

Cache

Main article: P6 § Cache

Cache Info [Edit Values]
L1I$	16 KiB 16,384 B 0.0156 MiB	1x16 KiB 4-way set associative
L1D$	16 KiB 16,384 B 0.0156 MiB	1x16 KiB 4-way set associative
L2$	256 KiB 0.25 MiB 262,144 B 2.441406e-4 GiB	1x256 KiB 4-way set associative (on-die)

Graphics

This processor has no integrated graphics processing unit.

Memory controller

This processor has no integrated memory controller.

Features

[Edit/Modify Supported Features]

	Supported x86 Extensions & Processor Features
	MMX MMX Extension