1991 · Peripheral
Intel i487SX (1991)
A 'math coprocessor' for 486SX that was really a full 486DX.
The i487SX was an i486DX with one extra pin, sold as an FPU upgrade to 486SX systems. When installed it disabled the original 486SX and took over everything. It was an awkward upgrade path.
See 1991 in the interactive timeline
Facts
- Date
- 1991
- Kind
- Peripheral: Memory and accelerator
- Maker or publisher
- Intel
- Platforms
- DOS, Windows
- Actually
- Full 486DX
- Socket
- Coprocessor socket
- Connection
- 487/OverDrive socket
- Works with
- DOS, Windows
Source: Wikipedia
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