PC87311A PC87312 (SuperI O II III) Floppy Disk Con.
National Semiconductor
PC87311A - Floppy Disk Controller
PC87311A PC87312 (SuperI O II III) Floppy Disk Controller with Dual UARTs Parallel Port and IDE Interface October 1993 PC87311A PC87312 (SuperI O TM.
National Semiconductor
PC87311 - Floppy Disk Controller
PC87311A PC87312 (SuperI O II III) Floppy Disk Controller with Dual UARTs Parallel Port and IDE Interface October 1993 PC87311A PC87312 (SuperI O TM.