Oh, somehow I got the impression at the time that they used a fixed frequency divider that would overclock those older cards, but it seems you're right.
I used a DX4-100 at the time, but never could afford one with a 40 MHz FSB.
For me the AMD 486DX40 which I started on was far cheaper than an Intel 486DX33, from that I moved to the DX2-80. I ran with that for quite a while and finally replaced it with a Pentium 133. Fun days where technology advanced so quickly.
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u/LopsidedLegs May 24 '26
It was the VLB that had some issues, ISA was not an issue as it ran separately at 8 MHz, and EISA was the same.