INT E0 - DR Multiuser DOS - "A_CONTROL" - GET/SET AUX CONTROL PARAMETERS CL = B1h DS:DX -> AUX device control block (see #04056) Return: AX = status 0000h successful control block updated FFFFh failed CX = error code Note: also supported by REAL/32 SeeAlso: INT E0/CL=B0h,INT E0/CL=B2h