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    FLimits's Avatar
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    OK, Mr. Hurrikane, here's your board: BEK-3709

    Do you have the AMD 386DX-40 processor on there? Any idea if the board is working?

    Your board is very similar to a Biostar 386DX-40 board that was popular. The Intel 80386 line stopped at 33 MHz, but AMD released a 386DX (and a 386SX) that ran at 40 MHz. Systems based on AMD's 386-40 were low-cost competitors to PC's using Intel's 486SX-25. The 486's were faster, but often not by so much that the cost difference was easy to justify. In one head-to-head comparison of 15 PC's of each type, the 486SX-25's were 10% faster on average but 40% more expensive. (The full article is at AM386DX-40 vs i486SX-25)

    Here's a comparison of a maxed-out AMD 386DX-40 system vs. an Intel 486SX-25 playing DOOM:



    Last edited by FLimits; 08-17-2014 at 12:22 PM.

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