INT 6B - NPC NCSI EXTENDED SERIAL I/O - SET/RETRIEVE VIRTUAL CIRCUIT CONFIG AH = 15h AL = virtual circuit number CL = direction (00h get, nonzero set) ES:BX -> buffer for/containing virtual circuit config (see #03731) Return: ES:BX buffer filled Note: this function is also supported by TelAPI SeeAlso: AH=13h"NCSI",AH=14h"NCSI" Format of virtual circuit configuration: Offset Size Description (Table 03731) 00h WORD buffer length 02h WORD port ID 04h WORD receive rate 06h WORD receive word length 08h WORD receive stop bits 0Ah WORD receive parity 0Ch WORD transmit rate 0Eh WORD transmit word length 10h WORD transmit stop bits 12h WORD transmit parity 14h WORD DTR 16h WORD RTS