Int 7A  - Novell Netware - Ipx Driver - Get Interval Marker                [N]

   BX = 0008h

Return: AX = interval marker in clock ticks (big-endian???)

Notes: may be used to measure the time elapsed between two events, up to one
     hour
   this function is supported by Advanced NetWare 1.02+

See Also: BX=0005h