Santa Clara, California-based Symphony Laboratories Inc has unvieled a family of highly integrated core logic chip sets for all forms of AT-alike personal computers: the Haydn family comprises the SL82C460 set for 80486 systems and the SL82C360 set for 80386 machines; each set includes two devices, a system controller and a bus controller and an optional cache controller chip can be added if cache capability is required; the parts are in volume production and a complete motherboard can be created with as few as eight active components plus memory; all operate at 50MHz and beyond and the sets are supported by all major BIOS vendors; the sets cost from $50 to $100 apiece in quantities of 100-up.
