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Intel i486SX2-66
General Info
Designer	Intel
Manufacturer	Intel
Model Number	i486SX2-66
Part Number	A80486SX2-66
Shop	Amazon
General Specs
Family	80486
Series	486SX2
Frequency	66 MHz
Bus type	FSB
Bus speed	33 MHz
Bus rate	33 MT/s
Clock multiplier	2
Microarchitecture
Microarchitecture	80486
Core Name	486SX2
Process	800 nm
Transistors	900,000
Technology	CMOS
Word Size	32 bit
Cores	1
Max Memory	4 GiB
Multiprocessing
Max SMP	1-Way (Uniprocessor)
Electrical
Vcore	5 V
OP Temperature	0 °C – 85 °C

i486SX2-66 was a fourth-generation x86 microprocessor introduced by Intel in the early 1990s. This chip, which is based on the 80486 microarchitecture, had a clock doubler operating at 66 MHz, twice the bus speed. In contrast to the i486DX chips, the i486SX line had no functional FPU on-die.

Cache

Main article: 80486 § Cache

Cache Info [Edit Values]
L1$	8 KiB 8,192 B 0.00781 MiB	1x8 KiB 4-way set associative (unified, write-through policy)

Graphics

This chip had no integrated graphics processing unit.

Features

• System Management Mode (SMM)

See also

• 80486 family