Edit Values
K6-2/400ACK
General Info
Designer	AMD
Manufacturer	AMD
Model Number	K6-2/400ACK
Part Number	AMD-K6-2/400ACK
Market	Mobile
Introduction	March 22, 1999 (announced) March 22, 1999 (launched)
Shop	Amazon
General Specs
Family	K6-2
Series	K6-2 Mobile P
Frequency	399.99 MHz
Bus type	FSB
Bus speed	99.99 MHz
Bus rate	99.99 MT/s
Clock multiplier	4
CPUID	58C
Microarchitecture
Microarchitecture	K6-2
Platform	Super 7
Core Name	Chomper Extended
Core Family	5
Core Model	8
Core Stepping	12
Process	0.25 µm
Transistors	9,300,000
Technology	CMOS
Die	81 mm²
Word Size	32 bit
Cores	1
Threads	1
Max Memory	4 GiB
Multiprocessing
Max SMP	1-Way (Uniprocessor)
Electrical
Vcore	2.0 V ± 0.1 V
VI/O	3.3675 V ± 7%
Tcase	0 °C – 80 °C
Tstorage	-65 °C – 150 °C

K6-2/400ACK was a 32-bit x86 K6-2-based mobile microprocessor designed and manufactured in 1999 by AMD. Manufactured using a 0.25 µm process, this MPU operated at 400 MHz with a FSB operating at 100 MHz. Note that K6-2/400ACK is an identical version with a bus speed of 66 MHz instead of 100.

Cache

Main article: K6-2 § Cache

L2$ can be 512 KiB to 1 MiB, depending on manufacturer and motherboard model. L2$ is off-chip.

Cache Info [Edit Values]
L1I$	32 KiB 32,768 B 0.0313 MiB	1x32 KiB 2-way set associative
L1D$	32 KiB 32,768 B 0.0313 MiB	1x32 KiB 2-way set associative

Graphics

This SoC has no integrated graphics processing unit.

Features

[Edit/Modify Supported Features]

	Supported x86 Extensions & Processor Features
	MMX MMX Extension 3DNow! 3DNow! Extension

• Auto-power down state
• Stop clock state

Documents

DataSheet

• Mobile AMD-K6-2 Processor Data Sheet; Publication #21896 Revision E/0, May 2000