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Reviews (2)
![](https://i.ebayimg.com/images/g/oUwAAOSw~gRVt7Y1/s-l200.jpg)
Nov 02, 2015
Cyrix 386 upgrade chip
Really, really cool upgrade for a '386 computer. It does get seen as a clock-doubled '486. Requires use of a register setting tool to turn on the internal cache. With internal cache
turned on, performance is just a hair under the equivilant '486. I used it on a Toshiba T5200
without any problems.
![](https://i.ebayimg.com/images/g/k20AAOSwHnFVyMVN/s-l200.jpg)
Nov 02, 2015
387dx
What's to say? If you know what it is and why you want it, it does what it's supposed to. A Cyrix FastMath might be quicker, but you know you won't have any incompatibility weirdness with the Intel.