INT 2F - JAM.SYS v1.10+ - "Read" - PHYSICAL READ DATA FROM JAM ARCHIVE
	AX = 5206h
	DL = drive number (0-default, 1-A:, etc.)
	DS:BX -> disk transfer packet (see #02836)
Return: AH = status (00h,01h,04h,06h,07h,08h,0Dh) (see #02835)
	AL = host drive error code (see #02598 at INT 2F/AX=0802h)
Program: JAM.SYS is a main component of the JAM Real-Time Data Compression
	  Utilities by George A. Reznik and friends (JAM Software).
SeeAlso: AX=5207h


Format of disk transfer packet:
Offset	Size	Description	(Table 02836)
 00h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	sector number
 04h	WORD	number of sectors to read(write)
 06h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	transfer address