INT 2F U - Novell NetWare - TBMI v1.1+ - GET TBMI STATUS
        AX = 7A10h
Return: DH = major TBMI version number
        DL = minor TBMI version number (01h for v1.1)
        CX = segment address of TBMI resident part
        BX = status word of TBMI (see below)
Note:   TBMI is the Task-Switched Buffer Manager Interface
SeeAlso: AX=7A11h,AX=7A12h,AX=7A13h,AX=7A14h

Bitfields for status word:
 bit 0  INT2F intercepted by TBMI
 bit 1  INT7A intercepted by TBMI
 bit 2  INT64 intercepted by TBMI
 bits 3-14 reserved or unused ???
 bit 15 outstanding task ID was detected

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