Date: Tue, 10 Aug 2010 23:08:41 +0200 From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no> To: Bakul Shah <bakul@bitblocks.com> Cc: geom@freebsd.org, hackers@freebsd.org Subject: Re: Support for WD Advanced Format disks Message-ID: <86mxsunpk6.fsf@ds4.des.no> In-Reply-To: <20100810184853.21FED5B5A@mail.bitblocks.com> (Bakul Shah's message of "Tue, 10 Aug 2010 11:48:53 -0700") References: <86wrry1hwv.fsf@ds4.des.no> <20100810184853.21FED5B5A@mail.bitblocks.com>
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Bakul Shah <bakul@bitblocks.com> writes: > http://www.wdc.com/en/library/2579-001028.pdf gives an > explanation of what the drive letters mean but they don't > talk about 4k sector size. The latest data sheet for the entire Green series is here: http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-701229.pdf > Some models of the WD Caviar Green and WD Scorpio Blue > product families are built using Advanced Format technology. > Over time more models and capacities will be added. WD drives > with Advanced Format technology include special installation > information on the drive label so be sure to read the label > on your drive before installing it. ^^^^^^^^^^^^^^ > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > So it seems that only the label distinguishes 4k sector drives. The data sheet clearly says that *only* AARS and EARS disks are AF. Also, it's not just the label - AF disks have AF-specific jumper settings. DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no
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