Intel Pentium Pro 256 KB - KB80521EX 256K information

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

General information

Type

CPU / Microprocessor

Market segment

Server

Family

Intel Pentium Pro

CPU part number

KB80521EX 256K is an OEM/tray microprocessor

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
	Q0720	Q0721	Q0754	Q0755	Q0765	Q0766
KB80521EX 256K	+	+	+	+	+	+

Architecture / Microarchitecture

Microarchitecture

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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