Autors: 
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General information
Type CPU / Microprocessor
Market segment Desktop
Family Intel Pentium
CPU part number BP80502-90 (SU031, SZ951, SZ978, SZ995)
Box part number BOXBP80502-90
Frequency (MHz) 90
Bus speed (MHz) 60
Clock multiplier 1.5
Package 296-pin Ceramic Staggered Pin Grid Array (SPGA)
1.95″ x 1.95″ (4.95 cm x 4.95 cm)
Sockets Socket 5
Socket 7
Introduction date 7-Mar-94
ICOMP 2 index 81
Upgrade options
* Pentium overdrive 150
* Pentium MMX overdrive 150
* Pentium MMX overdrive 180
Architecture / Microarchitecture
Core steppings B3 (SZ995)
B5 (SZ978)
C2 (SU031, SZ995)
Manufacturing process 0.6 micron
3.2 million transistors
Data width 32 (64 bit data bus) bit
Floating Point Unit Integrated
Level 1 cache size 8 KB 2-way set associative code cache
8 KB 2-way set associative write-back data cache
Physical memory (GB) 4
Multiprocessing Up to 2 processors
Low power features
* System Management Mode
* Clock Control
* SL power-management features
On-chip peripherals
* Memory Management Unit
* Local Advanced Programmable Interrupt Controller
Electrical/Thermal parameters
Min/Recommended/Max V core (V) 3.135 / 3.3 / 3.6
Minimum/Maximum operating temperature (°C) 0 – 70
Minimum/Typical/Maximum power dissipation (W) 1.4 / 3.5 / 10.62
Thermal Design Power (W) 9
Notes on Intel BP80502-90
* Minimum bus frequency is 30 MHz