[t13] 48-bit LBA: Purpose of ID Word 86, bit 10 (vs ID 83, bit 10)

[Wolford, Jeff]

Title: Message

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 ?

 

Q2: Are both required to be the same value ?

 

Q2.1: If not the same, does one have priority over the other ?

 

Q3: Does software have to check both bits or is checking Word 83 (and being set)

valid.

 

Thanks,

 

Jeff

 

Jeff Wolford                       Email: [EMAIL PROTECTED]
Master Architect
Storage Interface and Tools - Business PC Group
    Voice: (281) 514-9465,     Pager: (800) 973-5739
Hewlett-Packard Corporation