Template:mpu i486SX-20 was a fourth-generation x86 microprocessor introduced by Intel in 1991. This chip, which is based on the 80486 microarchitecture, operated at 20 MHz. 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 KB "KB" is not declared as a valid unit of measurement for this property.	1x8 KB 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