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In ATA/ATAPI-6 we put in a statement that for drives larger than 
0FFFFFFFh logical blocks Read Native Max shall return 0FFFFFFFh
blocks. This conflicts with the compatibility issue we noted earlier
that some BIOS may add 1 to the number returned to get the maximum
number of sectors, roll over, and have an error.  Read Native Max
should be changed to a maximum value of 0FFFFFFFh so devices
can return 0FFFFFFEh, avoiding the problem. 

Best Regards, 
DC

Dan Colegrove
Senior Technical Staff Member
Storage Technology Division
IBM Corporation

702-614-6119
702-614-7955 fax
Tie Line 280-9959 (IBM internal)
[EMAIL PROTECTED]
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