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Re: USB3 3TB HDD boot


From: Vladimir 'φ-coder/phcoder' Serbinenko
Subject: Re: USB3 3TB HDD boot
Date: Tue, 05 Mar 2013 08:22:30 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.12) Gecko/20130116 Icedove/10.0.12

On 05.03.2013 00:16, Chris Murphy wrote:

> 
> On Mar 4, 2013, at 12:43 PM, "Lennart Sorensen" <address@hidden> wrote:
> 
>> On Mon, Mar 04, 2013 at 08:33:51PM +0100, Vladimir 'φ-coder/phcoder' 
>> Serbinenko wrote:
>>> Not necessarily. 3T drives often use msdos, just with 4K sectors which
>>> increases the range of msdos to 16T.
>>
>> Hmm, I suppose that would work.  I have never seen one that did that yet,
>> but I don't have that many 3TB drives either.
> 
> I wonder what the BIOS does when it "asks" the drive for LBA 0, and receives 
> 4096 bytes instead of 512 bytes.

It doesn't get that far. Most likely it bails out after reading SCSI
descriptor.

> I'd think the BIOS would have to tolerate receiving 8x the data. I didn't 
> know 4Kn drives were shipping yet. I'm not finding anything remotely recent 
> about this when googling it.
> 
> Chris Murphy
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> address@hidden
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