RBIL61 - serial port 4

RBIL61 - serial port 4

INT 4F - TI Professional PCIBM PC - SYSTEM CONFIGURATION CALL {#idx102134}

INT 60 - TI Professional PCIBM PC - SYSTEM ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. DATA AREA POINTER (NOT A VECTOR!) {#idx104066}

PORTIBM PC Portable (uses same BIOS as XT) 3228-322F - serial port 4, description same as 03F8 {#idx155300}