This text was posted by nazyura

АТА6 T13/1410D revision 3b
стр. 44
6.15 Host Protected Area feature set

............
Typical use of these commands would be:
On reset
a) BIOS receives control after a system reset;
b) BIOS issues a READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT command
to find the max capacity of the device;
c) BIOS issues a SET MAX ADDRESS or SET MAX ADDRESS EXT command to the values returned
by READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT;
d) BIOS reads configuration data from the highest area on the disk;
e) BIOS issues a READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT command
followed by a SET MAX ADDRESS or SET MAX ADDRESS EXT command to reset the device to
the size of the file system.
On save to disk
a) BIOS receives control prior to shut down;
b) BIOS issues a READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT command
to find the max capacity of the device;
c) BIOS issues a volatile SET MAX ADDRESS or SET MAX ADDRESS EXT command to the values
returned by READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT;
d) Memory is copied to the reserved area;
e) Shut down completes;
f) On power-on or hardware reset the device max address returns to the last non-volatile setting