
			  Additional Information

	       Aztech CDA 268-01A CD-ROM DRIVE Version 1.35


   This file contains additional information about the CD-ROM drive software 
   that was not available at printing time.


   1.   CD-ROM Device Driver DMA Channel Option
   ============================================

   This version of the CD-ROM device driver supports DMA data transfer 
   provided the interface where it is connected supports it. The Aztech 
   CD-ROM interface card does not supports in DMA transfer mode. 
   
   If problems are encountered operating the CD-ROM drive using DMA mode, 
   switch the transfer mode to Programmed I/O by specifying /M:S in the 
   following statement in the CONFIG.SYS file.

	   DEVICE=C:\{...}\SGCD268.SYS /P:nnn /M:S /D:MSCD000

	   where {...} denotes the directory path
		   nnn denotes the port address of the CD-ROM drive



			
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