Having been closed out of the NT on Pentium market until the chip appears, Irvine, California-based Corollary Inc is back dusting off its 80486 Unix technology and enhancing its Cbus 1 product, making it meaningful for 80486DX2s, adding 1Mb of cache at each processor; it’s due to appear at the end of March; watch for Cbus 2 at Fall Comdex.