PC87392 devices equivalent, 100-pin lpc super i/o devices.
an X-Bus Extension for read and write operations over the X-Bus, a full IEEE 1284 Parallel Port with a Parallel Port Multiplexer (PPM) for external Floppy Disk Drive (FDD.
PRELIMINARY
September 2000 Revision 1.41
PC87391, PC87392, PC87393, PC87393F 100-Pin LPC SuperI/O Devices for Portable.
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