INT 14 - X00 FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use. - ACTIVATE PORTIBM PC Portable (uses same BIOS as XT) AH = 1Ch DX = port number Return: AX = 1954h if successful BL = maximum function number supported (not including 7Eh and above) BH = revision of FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use. specification supported Note: this is a duplicate of AH=04h, so that AH=04h may be made compatible with the PS/2IBM PS/2, any model BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. in a future release SeeAlso: AH=04h"FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use.",AH=1Dh