Int E0 - Conccp/m,dr Multiuser DOS - "q_cwrite" - Conditionally Write MS [O] CL = 8Ch DS:DX -> queue parameter block (see INT E0/CL=87h) Return: AX = status 0000h success FFFFh failure CX = error code See Also: INT E0/CL=8Ah,INT E0/CL=8Bh