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In the section titled "Words (87:85): Feature/command sets enabled" this is the text description of these words, (could section 6.16.43 in your copy of ATA/ATAPI-7 Vol 1), PLEASE SEE THIS SENTENCE: "If a supported feature/command set is supported and cannot be disabled, it is defined as supported and the bit shall be set to one." LBA48 is such a feature: when supported it can not be disabled. (End of Discussion?) Hale *** Hale Landis *** www.ata-atapi.com ***
