Date: Fri, 29 Jun 2007 17:10:27 +0000 (GMT) From: Alin Tuhut <alint7@yahoo.co.uk> To: freebsd-questions@freebsd.org Subject: Re: SATA HDD seen at UDMA33 Message-ID: <425904.35798.qm@web27111.mail.ukl.yahoo.com>
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Update
OS is a 6.2-RELEASE on AMD64.
Here is the output of the "diskinfo -t ad4" command.
ad4
512 # sectorsize
250059350016 # mediasize in bytes (233G)
488397168 # mediasize in sectors
484521 # Cylinders according to firmware.
16 # Heads according to firmware.
63 # Sectors according to firmware.
Seek times:
Full stroke: 250 iter in 5.432801 sec = 21.731 msec
Half stroke: 250 iter in 3.877507 sec = 15.510 msec
Quarter stroke: 500 iter in 5.912781 sec = 11.826 msec
Short forward: 400 iter in 3.795284 sec = 9.488 msec
Short backward: 400 iter in 2.920622 sec = 7.302 msec
Seq outer: 2048 iter in 0.285495 sec = 0.139 msec
Seq inner: 2048 iter in 0.333242 sec = 0.163 msec
Transfer rates:
outside: 102400 kbytes in 1.454757 sec = 70390 kbytes/sec
middle: 102400 kbytes in 1.708399 sec = 59939 kbytes/sec
inside: 102400 kbytes in 2.725383 sec = 37573 kbytes/sec
----- Original Message ----
From: Alin Tuhut <alint7@yahoo.co.uk>
To: freebsd-questions@freebsd.org
Sent: Friday, 29 June, 2007 7:36:40 PM
Subject: SATA HDD seen at UDMA33
Hello,
I have a SATA HDD (http://www.samsung.com/Products/HardDiskDrive/SpinpointPSeries/HardDiskDrive_SpinpointPSeries_SP2504C.asp) in my server but it shows:
ad4: 238475MB <SAMSUNG SP2504C VT100-50> at ata2-master UDMA33
I've seen here http://monkey.org/freebsd/archive/freebsd-stable/200705/msg00393.html that it's detected at ata2-master SATA150
Can anyone please tell me why it's seen at UDMA33 and how can I fix this so it's detected correctly? I'm running FreeBSD 6.2.
Thank you,
Alin
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