Intel Pentium Pro (Socket 8)

General information
Type    CPU / Microprocessor
Market segment    Server
Family    Intel Pentium Pro
CPU part number    KB80521EX200 256K (Q034, Q0861, Q0872, Q0874, Q908, SL22T, SL22V, SL245, SL247, SL254, SL255, SY013, SY032, SY040)
Box part number    BP80521200 256K (SL23M, SU104)
Frequency (MHz)       200
Bus speed (MHz)       66
Clock multiplier       3
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

Architecture / Microarchitecture
Core steppings       sA0 (Q0874, SY013)
sA1 (Q0872, SL245, SL247, SU104, SY032, SY040)
sB1 (Q034, SL22T, SL22V, SL23M_1, SL254, SL255)
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 (V)  ?     3.3 ± 5%
Minimum/Maximum operating temperature (°C)       0 – 85
Minimum/Typical/Maximum power dissipation (W)    3.96 (Stop Grant mode) / 27.3 / 38.81
Thermal Design Power (W)       35

Notes on Intel KB80521EX200 256K

* Minimum core frequency is 150 MHz
* Minum bus frequency is 50 MHz