Intel Pentium Pro 133 256 KB - KB80521EX-133 256K information

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Type:CPU	Manufacturer:Intel
family:Pentium Pro	microprocessors:Intel Pentium Pro 133 256 KB - KB80521EX-133 256K

General information

Type

CPU / Microprocessor

Market segment

Server

Family

Intel Pentium Pro

CPU part numbers

KB80521EX-133 256K is an OEM/tray microprocessor
KB80521EX133 is an OEM/tray microprocessor

Frequency

133 MHz

Package

387-pin Modified Staggered Ceramic Pin Grid Array with gold plated heat spreader
2.66" x 2.46" (6.76 cm x 6.25 cm)

Socket

Socket 8

S-spec numbers

Part number	ES/QS processors
	Q0815
KB80521EX-133 256K	+

Architecture / Microarchitecture

Microarchitecture

Core stepping

B0 (Q0815)

CPUID

611 (Q0815)

Manufacturing process

0.6 and 0.35 micron
5.5 million transistors

Data width

32 bit

Data bus width

64 bit

Floating Point Unit

Integrated

Level 1 cache size

8 KB four-way set associative code
8 KB two-way set associative data

Level 2 cache size

256 KB

Pipeline

12-stage

Multiprocessing

Up to 4 processors

Low power features

Stop Grant mode
Auto HALT mode

Electrical / Thermal parameters

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