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Friday, December 17, 20102010.12. Feature Windows snap to other windows, monitor edges and regions. Disabled by default. Feature Can now resize console windows to their maximum size that will fit within a region (but will not exactly match regions if you are not extremely lucky). Improvement If you choose to not download an update, you will not be notified again unless an even newer update is available. Improvement Updates are no longer automatically downloaded.
Contents.SCSI models Launched in 1991, the Seagate Barracuda was the first 7200 RPM hard drive. Owing to its rotational speed, it was very fast but very expensive at the time. Its SCSI-2 interface targeted the drive to servers and high-performance systems. The original models, called the Barracuda 2LP series, were available with a 2.5 GB or 1.2 GB capacity with up to six platters. ATA and SATA models Barracuda ATA (1999) Available in capacities between 6.8 GB and 28.2 GB, with a 512 KB cache buffer and an ATA/66 interface. This is the first model in the Barracuda family equipped with an ATA/IDE interface. Barracuda ATA II (2000) Available in capacities between 10 GB and 30 GB, with a 2 MB cache.
Supports up to ATA/66 interface. Barracuda ATA III (2000) Available in capacities between 10 GB and 40 GB, with a 2 MB cache. Supports up to ATA/100 interface. Barracuda ATA IV (2001) Available in capacities between 20 GB and 80 GB, with a 2 MB cache. Supports up to the ATA/100 interface.
These drives operate very quietly as they are one of the first hard drives to use fluid dynamic bearings in their spindle motors.These disks cannot operate reliably at ATA/100 on RCC/ServerWorks IDE controllers, as their drivers blacklist the disks, thus limiting their operation to ATA/66.Barracuda ATA V (2002)/Barracuda ATA V Plus (2003)/Barracuda Serial ATA V (2003) Available in capacities between 30 GB to 120 GB, with a 2 MB cache, with either SATA/150 and ATA/100 interfaces. Barracuda V with SATA port is one of the first hard drives to feature a SATA interface.The SATA models have many problems, including random data loss (such as disappearing partitions). These disks cannot work with some SATA controllers, as their drivers blacklist the disks and limit the maximum sectors of each transaction below 8 KB (15 sectors), leading to considerably reduced performance.Barracuda 7200.7 (2003)/Barracuda 7200.7 Plus (2004) Available in capacities between 40 GB and 200 GB, with ATA/100 and SATA with NCQ.
The drives have 2 MB or 8 MB of cache, depending on the model. Barracuda 7200.8 (2004) Available in capacities between 200 GB and 400 GB, with either an ATA/100 or SATA interface with NCQ, these were sold alongside the 7200.7 series, providing higher capacities than the 7200.7. The drives have 8 MB or 16 MB of cache, depending on the model. Barracuda 7200.9 (2005) Available in capacities between 40 GB and 500 GB, with either ATA/100 or SATA II (3Gbit/s) interfaces.
2 MB, 8 MB or 16 MB, depending on the model and interface.Barracuda 7200.10 (2006) Available in capacities between 80 GB to 750 GB and either an ATA/100 or SATA II interface. 2, 8 or 16 MB of cache, depending on the model.
This was the first Seagate hard drive to use perpendicular magnetic recording technology. This is the last generation of Barracuda to feature IDE interface on certain models. This is the only generation of Barracuda to feature 750 GB as the greatest in storage limit of IDE drive ever made by any manufacturer.Firmware bug The SATA models of this family with firmware 3.AAK codename GALAXY or older (e.g. 3.AAE – codename TONKA) have introduced a firmware (microcode) bug:.
There is a performance anomaly using hdparm with an NCQ queue depth of 31 in mode. Speed test measures only 55–64 MB/s (expected: 70–75 MB/s).Seagate does not officially provide firmware updates for this issue; however, an – (3.AAM) exists for the following drive models:. ST3320820AS with part number 9BJ13G-308,. ST3320620AS with part number 9BJ14G-308 (with firmware 3.AAK),.
ST3500830AS with part number 9BJ136-308 and. ST3500630AS with part number 9BJ146-308.Barracuda ES (2006) Available in capacities between 250 GB to 750 GB, with SATA II interface and 8 or 16 MB of cache depending on model. The ES (Enterprise Storage) family were high-reliability drives based on Barracuda 7200.10 design. Intended for business-critical use, with all drives having a 5-year warranty. Barracuda ES series replaced previous NL35 series (based on 7200.8) and NL35.2 series (based on 7200.9) enterprise drives.Barracuda 7200.11 (2007) With a SATA II interface, capacities range from 160 GB to 1.5 TB. Codenames are Moose (earlier revision) and Brinks (later revision).
Their cache size can be 8 MB, 16 MB or 32 MB, depending on the drive model. Firmware bug This family has introduced many severe (microcode) bugs:. Disks may not show and utilize all the cache. FLUSHCACHE commands may time out when NCQ is used. There is a performance anomaly using hdparm with NCQ queue depth 31 in AHCI mode. Speed test measures only 45–50 MB/s (expected: 100–110 MB/s).
Disks may be inaccessible at power on.Disks affected by the last bug will not be detected by the computer BIOS after a reboot. Numerous users have complained about this and are discussing it in a public forum when discussions in Seagate's forums were subjected to heavy moderation and subsequently closed. The symptom of the problem is that the computer BIOS will no longer detect the hard disk after a reboot, and upon connecting to the hard disk with a serial TTL board, this error code will be seen as 'LED:000000CC FAddr:0024A051.' Faulty firmware triggers this 'failure.' Seagate FreeAgent external drives have also utilized 7200.11 hard disks with the SDxx firmware, and failures of these hard drives were also reported. The access LED remains permanently on, despite being disconnected from USB and no longer being recognized by the computer. However, Seagate says that the LED light remaining permanently on had nothing to do with firmware problems.
The drives have also become known for their unusually high failure rates, including sudden mechanical failures; the rapid development of large numbers of bad sectors; the motherboard detecting the drive as a different model and the drive regularly 'freezing' when being read from or written to. Other companies have claimed to be able to resolve this problem using their own solution, namely Ace Laboratory PC3000-UDMA (version 4.13).In order to fix the first bug, Seagate released firmware update AD14 for the affected disk models; to fix the second, third and fourth bugs, Seagate released firmware updates SD1A, SD1B, SD2B and SD81.
The SD2B firmware update for Brinks removes the ATA feature from the disks, while SD1A for Moose adds two ATA features. Barracuda ES.2 (2007) Available in capacities between 250 GB and 1 TB, 16 MB cache for SAS models and a 32 MB cache for SATA II models. Enterprise-grade drives based on 7200.11 series.
Firmware bugs Similar to the 7200.11 family, this family has introduced many (microcode) bugs, which was fixed by SN06 firmware released by seagate:. arrays using these disks may fail. Secure Erase command is not handled properly. There is a performance anomaly using hdparm with NCQ queue depth 31 in AHCI mode. Speed test measures only 50 MB/s (expected: 100MB/s). Disks may be inaccessible at power on.Barracuda ES.2 is currently the last product in Seagate's enterprise line to bear the 'Barracuda' name. The successor of ES.2, launched in early 2013, is branded as 'Constellation ES.3' which is based on the design of 14th-generation Barracuda.Barracuda 7200.12 (2009) Available in capacities between 160 GB to 1.0 TB.
Initial models (CCxx firmware) supported up to SATA II, while later revisions (firmware JCxx) support the newer SATA III interface. Their cache size can be 8 MB, 16 MB or 32 MB, depending on the drive model. Power consumption is reduced from previous models, resulting in lower heat dissipation and claimed reliability improvements.Barracuda XT, LP and Green (13th generation) (2010) Available in capacities between 2 TB and 3 TB(XT) with 64MB cache, 1 TB and 2 TB(LP) with 16 MB or 32MB cache, 1 TB, 1.5 TB and 2 TB(Green) with 16MB to 64MB cache depending on model. This is the first Barracuda series to support SATA III and its buffer size is 64 MB. Rotation speed is 7,200 RPM for XT, and 5,900 RPM for LP and Green.XT is Intended for high-performance gaming computers and workstations with sustained data transfer rate of 149 MB/s. LP is designated for mass storage applications favoring low heat output, quiet operation and better-than-average energy efficiency. Barracuda Green 2000GB (ST2000DL003)The Barracuda Green series was introduced in December 2010 as a high-performance, eco-friendly, low-power internal drive, replacing the Barracuda LP series.
It is the first to use Advanced Format sectors and operates at 5900 RPM.Firmware bugs The Barracuda LP series also present issues that might be alleviated by the latest firmware available on the Seagate web site (CC35), although there are reports that drives with the CC35 firmware loaded continue to exhibit the same problems as earlier firmware releases. The most commonly referred issue with the Barracuda LP series drives appears to be one variation or another of the infamous problem; the drive will start to emit a regular clicking noise at some point in its early life (possibly even at first start) and after some time will fail altogether, often after a few months of use. While the clicking noise is emitted, the hard drive is inaccessible and may prevent the BIOS from detecting it.There is also a CC95 firmware (at least some of those drives came as part of external Seagate FreeAgent drives), but it is not clear whether this build fixes all known issues, and why firmware versions between CC35 and CC95 do not seem to exist.Barracuda (14th generation) (2012). Further information:Available in capacities between 250 GB to 3 TB, 7200 RPM, 16 MB to 64 MB cache, depending on the model. First Seagate hard drives with 1 TB per platter technology. From this generation onwards, Seagate phased out previous 'green' models, citing the inherent power saving functions featured on the 14th generation removed the need for a separate low-power design.BarraCuda (16th generation) (2016) The successor of the 14th generation Barracuda, branded as 'Desktop HDD', was a 5,900 RPM series launched in early 2013 and was not considered part of the Barracuda line.'
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Barracuda' series made a comeback in 2016 with a stylized BarraCuda trademark. Available in capacities between 500 GB to 8 TB. Buffer sizes vary from 32 MB for 500 GB/1 TB models to 256 MB for 3 TB to 8 TB units.BarraCuda Pro (2016) Available in capacities between 2 TB and 14 TB. Launched alongside BarraCuda, it is described as 'Perfect for high performance desktop, creative pro desktop applications, and gaming'. This series has higher read/write performance than standard BarraCuda drives; one PCWorld review noted its consistent read speed throughout its entire capacity, which is unusual for a conventional HDD. Warranty length Warranty period is either 1 year, 2 years, 3 years or 5 years from the documented date of purchase, depending on the type of product and where it was purchased.
See also.References. (PDF). (PDF). (PDF). (PDF). (PDF).
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^. Archived from on 2009-01-18. Retrieved 2009-01-09. CS1 maint: archived copy as title. February 20, 2012.
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Archived from on February 20, 2012. February 15, 2013. (PDF). Archived from (PDF) on March 31, 2010. Domingo, By Joel Santo; December 14, 2010 3:08PM EST; December 14, 2010. Knowledge.seagate.com.
^. August 26, 2016. Seagate.com.External links.