Intel Pentium Pro 150 256 KB - KB80521EX150 256K / KB80521EX-150 256K / BP80521150 256K

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Specifications

Tools

Intel Pentium Pro 150 MHz specifications

General information

Type

CPU / Microprocessor

Market segment

Server

Family

Intel Pentium Pro

CPU part numbers

KB80521EX150 256K is an OEM/tray microprocessor
KB80521EX-150 256K is an OEM/tray microprocessor
BP80521150 256K is a boxed microprocessor

Frequency ?

150 MHz

Bus speed ?

60 MHz

Clock multiplier ?

2.5

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

Weight

3.2oz / 90g

Introduction date

1-Nov-95

Upgrade options

Pentium II Overdrive

S-spec numbers

	ES/QS processors			Production processors
Part number	Q0813	Q0816	Q0826	SY002	SY010	SY011	SY014
KB80521EX-150 256K	+	+
KB80521EX150 256K			+	+	+	+	+

Architecture / Microarchitecture

Microarchitecture

Core steppings ?

B0 (Q0813, Q0816, SY002, SY011, SY014)
C0 (Q0826, SY010)

CPUIDs

611 (Q0813, Q0816, SY002, SY011, SY014)
612 (Q0826, SY010)

Manufacturing process

0.35 and 0.6 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

V core ?

3.1V ± 5%

Minimum/Maximum operating temperature ?

0°C - 85°C

Minimum/Typical/Maximum power dissipation

3.1 Watt (Stop Grant mode) / 23 Watt / 32.22 Watt

Thermal Design Power ?

29.2 Watt

Notes on Intel KB80521EX150 256K

Minimum core frequency is 100 MHz
Minum bus frequency is 50 MHz

CPUs, related to Intel Pentium Pro 150 MHz (KB80521EX150 256K)

Model Freq. L2
cache Multi-
processing TDP Features

Intel Pentium Pro family, Socket 8

   Pentium Pro 150 MHz (KB80521EX150 256K) 150 MHz 256 KB 4 29.2 Watt

   Pentium Pro 166 MHz (KB80521EX166 512K) 166 MHz 512 KB 4 35 Watt

   Pentium Pro 180 MHz (KB80521EX180 256K) 180 MHz 256 KB 4 31.7 Watt

   Pentium Pro 200 MHz (KB80521EX200 256K) 200 MHz 256 KB 4 35 Watt

   Pentium Pro 200 MHz (KB80521EX200 512K) 200 MHz 512 KB 4 37.9 Watt

   Pentium Pro 200 MHz (GJ80521EX200 1M) 200 MHz 1 MB 4 47 Watt

Other families, P6 micro-architecture, Socket 8

   Pentium II Overdrive 333 MHz (PODP66X333) 333 MHz 512 KB MMX

• Highlighted numbers and features indicate whether specific processor performs better or worse than Pentium Pro 150 MHz (KB80521EX150 256K)

• Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)

• Features abbreviations:

MMX - MMX instructions

Intel Pentium Pro 150 MHz Overclocking

Sorry, overclocking information for the processor is not available at this time.

Pictures (3)

Production part - old style Intel logo
150 MHz 256 KB L2 cache 387-pin modified SPGA Gold plated heat spreader Image reduced 2x times

Production part - new style Intel logo
150 MHz 256 KB L2 cache 387-pin modified SPGA Gold plated heat spreader Image reduced 2x times

Pre-production sample
150 MHz 256 KB L2 cache 387-pin modified SPGA Gold plated heat spreader Pre-production version Image reduced 2x times

CPU ID (2)

CPUID Tools

Our CPUID database contains 2 records for this microprocessor. See all submitted records.
Use our CPU identification tool to check features of your CPU.

CPUID features of Intel Pentium Pro 150 MHz

NOTE: The CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the Intel Pentium Pro 150 MHz CPU.

Manufacturer:	Intel
CPU Family:	Pentium Pro
Processor Number:	150 MHz
Frequency:	149 MHz

Part number:	KB80521EX150 256K
S-Spec Number:	SY011
Comment:
Submitted by:	cocoe

General information
Vendor:	GenuineIntel
Processor type:	Original OEM Processor
CPUID signature:	611
Family:	6 (06h)
Model:	1 (01h)
Stepping:	1 (01h)
TLB/Cache details:	Data TLB: 4-KB Pages, 4-way set associative, 64 entries Data TLB: 4-MB Pages, 4-way set associative, 8 entries Instruction TLB: 4-KB Pages, 4-way set associative, 32 entries Instruction TLB: 4-MB Pages, fully associative, 2 entries

Cache: L1 data L1 instruction L2

Size: 8 KB 8 KB 256 KB

Associativity: 2-way set
associative 4-way set
associative 4-way set
associative

Line size: 32 bytes 32 bytes 32 bytes

Instruction set extensions Additional instructions

CMOV

CMPXCHG8B

Major features Other features

On-chip Floating Point Unit Debugging extensions

Machine check architecture

Machine check exception

Memory-type range registers

Model-specific registers

Page global extension

Page-size extensions (4MB pages)

Physical address extensions

Time stamp counter

Virtual 8086-mode enhancements

Comments (0)

Last modified: 8 May 2013