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> ID Page Word 83, bit 10 indicates support for 48-bit LBA > addressing > ID Page Word 86, bit 10 indicates support for 48-bit LBA > addressing > Q1: Which is it ? As with several features that "if supported" are "always enabled", both bits should be 1. See READ BUFFER and WRITE BUFFER features, or CFA feature. > Q2: Are both required to be the same value ? They should be. > Q2.1: If not the same, does one have priority over the other ? Good question... And it applies to several other features like this. > Q3: Does software have to check both bits or is checking Word 83 > (and being set) valid. My software doesn't check these bits for LBA48 - it looks at words 100-103 and trys the commands. Hale *** Hale Landis *** www.ata-atapi.com ***
