INT 6C - DECnet DOS network scheduler InstallCheck: test for a signature area immediately preceding the interrupt handler (see #03733) Note: this function is also supported by DEC Pathworks for DOS SeeAlso: INT 6B"DECnet",INT 6D"DECnet",INT 6E"DECnet" Index: installation check;DECnet DOS scheduler Format of DECnet DOS signature area: Offset Size Description (Table 03733) -5 BYTE major version number -4 BYTE minor version number -3 3 BYTEs signature (ASCII "SCH")