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General information
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Type
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CPU / Microprocessor
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Market segment
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Server
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Family
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Intel Pentium Pro
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CPU part numbers
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-
KB80521EX180 256K is an OEM/tray microprocessor
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BP80521180 256K is a boxed microprocessor
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Frequency
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180 MHz
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Bus speed
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60 MHz
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Clock multiplier
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3
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Package
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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)
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Socket
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Socket 8
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Weight
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3.2oz / 90g
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Introduction date
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1-Nov-95
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Upgrade options
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Pentium II Overdrive
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S-spec numbers
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Part number
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ES/QS processors
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Q033
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Q035
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Q0871
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Q0873
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Q0907
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BP80521180 256K
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KB80521EX180 256K
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+
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+
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+
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+
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+
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Part number
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Production processors
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SL22S
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SL22U
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SL23L
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SU103
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SY012
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SY031
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SY039
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BP80521180 256K
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+
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+
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KB80521EX180 256K
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+
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+
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+
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+
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+
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Architecture / Microarchitecture
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Microarchitecture
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P6
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Core steppings
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sA0 (Q0873, SY012)
sA1 (Q0871, Q0907, SU103, SY031, SY039)
sB1 (Q033, Q035, SL22S, SL22U, SL23L)
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CPUIDs
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616 (Q0873, SY012)
617 (Q0871, Q0907, SU103, SY031, SY039)
619 (Q033, Q035, SL22S, SL22U, SL23L)
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Manufacturing process
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0.35 and 0.6 micron
5.5 million transistors
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Data width
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32 bit
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Data bus width
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64 bit
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Floating Point Unit
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Integrated
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Level 1 cache size
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8 KB four-way set associative code
8 KB two-way set associative data
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Level 2 cache size
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256 KB
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Pipeline
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12-stage
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Multiprocessing
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Up to 4 processors
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Low power features
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Stop Grant mode
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Auto HALT mode
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Electrical / Thermal parameters
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V core
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3.3V ± 5%
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Minimum/Maximum operating temperature
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0°C - 85°C
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Minimum/Typical/Maximum power dissipation
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3.96 Watt (Stop Grant mode) / 24.8 Watt / 35 Watt
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Thermal Design Power
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31.7 Watt
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Notes on Intel Pentium Pro 180 MHz
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Minimum core frequency is 150 MHz
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Minum bus frequency is 50 MHz
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