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General information
Type CPU / Microprocessor
Family Intel 80486
CPU part number A80486SX-25 (SX411, SX468, SX514, SX679, SX693, SX719, SX790, SX798, SX826, SX846, SX903, SX930)
Frequency (MHz) 25
Bus speed (MHz) 25
Clock multiplier 1
Package 168-pin Pin Grid Array
1.75″ x 1.75″ (4.45 cm x 4.45 cm)
Introduction date 16-Sep-91
Upgrade options
Use Intel ODP486SX-25, ODPR486SX-25, SX2ODP50, SX2ODPR50, DX2ODP50 or DX2ODP50 to upgrade to 50 MHz
Use Intel DX4ODP75 or DX4ODPR75 to upgrade to 75 MHz
Use Intel PODP5V63 to upgrade to Pentium 63 MHz
See 80486 upgrade matrix for more information.
Architecture / Microarchitecture
Data width 32 bit
Floating Point Unit 80487SX co-processor
Level 1 cache size 8 KB 4-way set associative unified code and data cache
Physical memory (GB) 4
Virtual memory (TB) 64
Low power features
Stop Clock state (SL enhanced version only)
Stop Clock Snoop state (SL enhanced version only)
Auto Halt state (SL enhanced version only)
Upgrade Power Down mode (SL enhanced version only)
On-chip peripherals Memory management unit
Electrical/Thermal parameters
V core (V) 5 ± 5%
Minimum/Maximum operating temperature (°C) 0 — 85
Minimum/Typical/Maximum power dissipation (W) 0.33 (Stop Grant mode) / 1.89 / 2.94
Notes on Intel A80486SX-25
* Newer versions of the processor incorporate SL technology.