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INT 6B - DECnet DOS - PORT DRIVER
InstallCheck:
Test for a signature area (see #03729) 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 03729)
-5     BYTE    major version number
-4     BYTE    minor version number
-3   3 BYTEs   signature (ASCII "PDV")

Category: Network - Int 6Bh - @

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