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thanks for watching techwiki click the subscribe button then enable
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notifications with the bell icon so you won't miss any future videos so you've
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finally decided to address a huge bottleneck in your computer by upgrading
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to an SSD for your boot drive but when you finally get up and running
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something seems a little off maybe your file transfers are slower than you
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expected underwhelming SSD performance could be
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caused by a somewhat obscure setting in
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your UEFI BIOS you see most modern hard
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drives or ssds can be set to operate in
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either ide mode or ahci mode but what in
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the heck does that mean well there are multiple ways your system
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has of talking to drives
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ide or parallel ata is the standard that
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was used for a long time back when we were all using those huge gray ribbon
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cables to connect hard drives to motherboards
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drives with the newer smaller SATA or
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serial ata connectors that most of us use today can also utilize a newer
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standard called advanced host controller interface or ahci
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ahci enables cool features like hot
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swapping so you don't have to turn off your computer if you want to
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unplug an external drive from an esata port or use that super neato hot swap
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bay in the top of your case a less obvious but also important advantage is
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support for native command cueing which
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affects the way that your drives handle multiple requests to fetch data at one
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time
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on hard drives using ncq can mean the drive's read and write head doesn't have
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to move around as much to get a certain
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piece of information speeding up your access times
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but how does ahci also help speed up ssds
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well although the benefits of ncq on ssds are small or negligible for home
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users many users do report greatly
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increased performance especially for large file transfers in ahci mode
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compared to ide mode due to hci just
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plain being designed with more modern drives in mind
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so then why would you ever want to use ide mode
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can we just get rid of that option well if you're running an older
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operating system such as Windows xp or earlier there's a good chance that it
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won't have native hci support meaning it
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won't play nicely with your drives if your motherboard is set to hdi mode
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unless you do some software trickery when you install the os this might also
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be the case if you're trying to run software from a bootable usb stick or an
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optical disk and if you have a boot drive that you've
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been using in ide mode but then switch over to ahci you might get a boot error
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forcing you to switch back to ide though fortunately if you're using Windows
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there's a registry tweak that you can use to fix this more permanently if
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you're interested we've linked instructions in the video description
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below of course ahci isn't the end game for
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drive protocols and the sexy new one nvm
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express is starting to gain popularity while you won't be able to use it with
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garden variety SATA drives it's being implemented in high performance pci
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express ssds and since NVMe was designed
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from the ground up for solid-state storage it can enable speed several
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times faster than what you'd get with ahci on a standard SATA interface so you
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might want to look into those if you've got some money to burn and milliseconds
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count when you're trying to frantically open google chrome to watch the latest
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exciting installment of Techquickie speaking of doing things frantically do
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collapsing exhausted in your computer chair trying to fight your way through
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business owner freshbooks is the
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opportunity for you to start saving your
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unrestricted trial just go to freshbooks.com techquickie and enter
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techwiki in the how did you hear about us section
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so thanks for watching guys like dislike leave a comment with suggestions for
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future videos subscribe and don't forget to press the little bell so you get all
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our notifications and we will see you again in the next Techquickie exciting
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installments coming at you every few days or so