Int 6B  - Decnet Dos - Port Driver                                         [N]


Note:  the installation check consists of testing for a signature area
     (see #3400) immediately preceding the interrupt handler

See Also: INT 6A"DECnet",INT 6C"DECnet"
Index: installation check;DECnet DOS Port Driver

Format of DECnet DOS signature area:
Offset Size    Description (Table 3400)
 -5    BYTE    major version number
 -4    BYTE    minor version number
 -3   3 BYTEs  signature (ASCII "PDV")