Early VLB card with OAK OTI087 chipset. This seems to be a design similar to Cirrus Logic 542x series. That means 32bit memory interface with 16-bit host interface adapted to VL-Bus through a series of 74F245 bus transceivers. The same chip appears on ISA cards and also on some Weitek P9000 cards (which cannot do [...]
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I was wondering what would be the ultimate upgrade for my 386 motherboard. It has a soldered-in 386 CPU, an unpopulated 386 PGA socket, and a socket for either a 387 FPU or a 486 PGA. It might even be compatible with a Weitek processor, though I’m not entirely certain. There’s also a possibility that it has a…