INT 94 u - Media Vision PCM.COM - GET INTERNAL DMA BUFFER ADDRESS
        SI = 8000h
Return: DX:AX -> DMA buffer
Program: PCM.COM is a superset of the standard PCM driver which provides
          additional functions for fine control of the driver
Note:   the installation check for the Media Vision PCM.COM "shark" functions
          consists of testing for the signature "PCM-SHARK" at offset 107h in
          the INT 94 handler's segment
SeeAlso: SI=8001h,SI=8004h
Index:  installation check;Media Vision PCM.COM|PCM.COM;installation check
Index:  Media Vision PCM.COM;"shark" functions

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