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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Jonathan Horne <freebsd@dfwlp.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: disk drive serial number
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[root@wojtek ~]# atacontrol cap ad0

Protocol              ATA/ATAPI revision 6
device model          ST9120822A
serial number         5LZ2F879
firmware revision     3.ALD
cylinders             16383
heads                 16
sectors/track         63
lba supported         234441648 sectors
lba48 supported       234441648 sectors
dma supported
overlap not supported

Feature                      Support  Enable    Value           Vendor
write cache                    yes      yes
read ahead                     yes      yes
Tagged Command Queuing (TCQ)   no       no      0/0x00
SMART                          yes      yes
microcode download             yes      yes
security                       yes      no
power management               yes      yes
advanced power management      yes      yes     32896/0x8080
automatic acoustic management  no       no      0/0x00  254/0xFE