So here's a fun one. Picked up an Aopen MX46-533V socket 478 universal AGP motherboard, having the SIS 651 chipset. Popped in a P4 3.06 HT, and hyperthreading is working, but figured I'd update the bios anyways, since it came with some mystery R1.02TR bios that wasn't even listed on the Aopen website.
Downloaded the latest bios, and surprise! The bios flasher insists that my board is some mystery Aopen MX46U2-CN, and refuses to flash the new bios. Tried several older bios downloads, and the same problem. Searching the web, seems like I have a board that never existed, even though it says MX46-533V right on it.
Eventually figured I'd force a flash or make it die trying. The POST screen said it had Award Bios, so I downloaded Award Winflash, and forced it to flash all the bios blocks. To my relief, the process went without a hickup, and after a reboot I'm now running an official bios, which has some extra features like fan control.
And here's the mugshot of the culprit.
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