Int 21/AH=4Ah/BX=FFFFh

AH = 4Ah
BX = FFFFh
CX = 0568h
SI = 0129h
DI = 0000h
ES = BP

Return:
???

Note: This call is intercepted by the Search&Destroy SDRes v27.03 bundled with Novell DOS 7, and is presumably some virus's installation check

See Also: AH=0Eh/DL=ADh - AH=4Ah/BX=00B6h

Category: Viruses - Int 21h - V