Autors: 
Type CPU / Microprocessor
Family Intel Pentium MMX
CPU part number A80503166 (Q0940, Q126, Q975, SL239, SL26V, SL27K, SL27X)
Frequency (MHz) 166
Bus speed (MHz) 66
Clock multiplier 2.5
Package 296-pin Ceramic Staggered Pin Grid Array (SPGA)
1.95″ x 1.95″ (4.95 cm x 4.95 cm)
Socket Socket 7
Introduction date 8-Jan-97
Price at introduction $407
ICOMP 2 index 160
Architecture / Microarchitecture
Core steppings A1 (Q0940)
xA3 (SL239, SL26V)
xB1 (Q126_1, SL27K, SL27X)
Manufacturing process 0.35 micron CMOS process, 4.5 million transistors
Data width 32 (64 bit data bus) bit
Floating Point Unit Integrated
Level 1 cache size 16 KB 4-way set associative code cache
16 KB 4-way set associative write-back data cache
Physical memory (GB) 4
Multiprocessing Supported
Features MMX technology
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) 2.7 / 2.8 / 2.9
Min/Recommended/Max V I/O or secondary (V) 3.135 / 3.3 / 3.6
Minimum/Maximum operating temperature (°C) 0 – 70
Minimum/Typical/Maximum power dissipation (W) 2.05 (Stop Grant mode) / 6.1 / 15.72
Thermal Design Power (W) 13.1
Notes on Intel A80503166
Minimum bus frequency is 33 MHz