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  1. #46
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    Re: seagates new Barracuda 7200.12 500GB drive

    In computer science, a cache (pronounced /kęʃ/) is a collection of data duplicating original values stored elsewhere or computed earlier, where the original data is expensive to fetch (owing to longer access time) or to compute, compared to the cost of reading the cache. In other words, a cache is a temporary storage area where frequently accessed data can be stored for rapid access. Once the data is stored in the cache, it can be used in the future by accessing the cached copy rather than re-fetching or recomputing the original data.
    The larger the cache the more it can store, that has nothing to do with the size of the drive
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  2. #47
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    Re: seagates new Barracuda 7200.12 500GB drive

    Quote Originally Posted by brothergc View Post
    so let me see if I understand you corectly ,
    the larger drives realy need the larger cashe sizes in order to process large files ?
    So a smaller drive with less cashe , lets say a drive that has 500mb w/16mb cashe VS a 250 GB drive w/8mb Cashe would basicly run the same ?
    HD caches really are one hell of a deep subject to get into. The caching method, (algorythms) are highly propriatary, closely guarded secrets. They're complicated, dynamically sized, segmented, look-ahead, ansicipatory, intelligent creatures. In fact, the drive's firmware is what, more than ANYTHING ELSE, establishes/defines a drives behavior, its personality. Its why performance in real world apps often don't follow what common benchmarks would ordinarily depict. That said, I'm familiar enough with that stuff from one drive manufacturer, and of course it follows that it is at others as well. Beyond that, I really am not at liberty to go much deeper into it . Suffuce it to say that as operating systems, winbloze in particular, with its frikin weird-alics way of caching things, will keep HD manufacturers on their toes. BUT, mark my words, windoze will get to the point where its "thinking" will depart so much from the reasoning in other operating systems that what works best for winbloze definitely won't be optimal in others. Fortunately, right now anyway, the fact that other operating systems, primarily Unix, rely on SCSI, saves their butts. They'd be hurting very badly if all they had to rely on is PATA and SATA. But, windows users are reaping the benifits from the many hand-me down ideas from SCSI to gain performance in PATA, but especially SATA models.

  3. #48
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    Re: seagates new Barracuda 7200.12 500GB drive

    Quote Originally Posted by BWM View Post
    HD caches really are one hell of a deep subject to get into. The caching method, (algorythms) are highly propriatary, closely guarded secrets. They're complicated, dynamically sized, segmented, look-ahead, ansicipatory, intelligent creatures. In fact, the drive's firmware is what, more than ANYTHING ELSE, establishes/defines a drives behavior, its personality. Its why performance in real world apps often don't follow what common benchmarks would ordinarily depict. That said, I'm familiar enough with that stuff from one drive manufacturer, and of course it follows that it is at others as well. Beyond that, I really am not at liberty to go much deeper into it . Suffuce it to say that as operating systems, winbloze in particular, with its frikin weird-alics way of caching things, will keep HD manufacturers on their toes. BUT, mark my words, windoze will get to the point where its "thinking" will depart so much from the reasoning in other operating systems that what works best for winbloze definitely won't be optimal in others. Fortunately, right now anyway, the fact that other operating systems, primarily Unix, rely on SCSI, saves their butts. They'd be hurting very badly if all they had to rely on is PATA and SATA. But, windows users are reaping the benifits from the many hand-me down ideas from SCSI to gain performance in PATA, but especially SATA models.
    Ok , I see . The reason I am asking my question is I am considering buying the new seagate 250gb drive but what is holding me back is the smaller cashe size ( the 500gb has 16mb vs the 250 has 8mb), thus the question on cache size. The 250 gb drive might make a better boot drive for another system I have in mind. I can find no reviews on the 250 gb 7200.12 Looks like to find out I will need to just buy one . LOL
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  4. #49
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    Re: seagates new Barracuda 7200.12 500GB drive

    Personally, as has been discussed before, my feeling is that 250GB is too large for an O/S drive. Better for simple storage only or an an output drive to receive output of MAJOR apps that eat a lot of room. But go ahead and try it if you want.

  5. #50
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    Re: seagates new Barracuda 7200.12 500GB drive

    Ok , I see . The reason I am asking my question is I am considering buying the new seagate 250gb drive but what is holding me back is the smaller cashe size ( the 500gb has 16mb vs the 250 has 8mb), thus the question on cache size. The 250 gb drive might make a better boot drive for another system I have in mind. I can find no reviews on the 250 gb 7200.12 Looks like to find out I will need to just buy one
    You will never see the difference between 8 and 16.

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  6. #51
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    Re: seagates new Barracuda 7200.12 500GB drive

    Quote Originally Posted by BWM View Post
    Personally, as has been discussed before, my feeling is that 250GB is too large for an O/S drive. Better for simple storage only or an an output drive to receive output of MAJOR apps that eat a lot of room. But go ahead and try it if you want.
    ok then what drive do you recomend that is sata 3.0, and cost about 50 bucks ?
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  7. #52
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    Re: seagates new Barracuda 7200.12 500GB drive

    http://www.newegg.com/Product/Produc...TA%203.0Gb%2fs

    NewEgg -
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    Search Within Lowest price


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  8. #53
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    Re: seagates new Barracuda 7200.12 500GB drive

    Quote Originally Posted by brothergc View Post
    ok then what drive do you recomend that is sata 3.0, and cost about 50 bucks ?
    First, don't worry about wether it is SATA 3.0 or 1.5 as it isn't going to make any difference in other than burst rate benchmarks. Bills list provides a good list of choices. Assuming this is to be your boot boot drive, I would choose the one that is just slightly higher in capacity than that required to hold your O/S and applications/games. Make sure you set windoze to maintain a page file on each drive. Use 3 gigs of memory for 32 bit O/S, mucho more for a 64 bit O/S.

  9. #54
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    Re: seagates new Barracuda 7200.12 500GB drive

    Quote Originally Posted by BWM View Post
    First, don't worry about wether it is SATA 3.0 or 1.5 as it isn't going to make any difference in other than burst rate benchmarks. Bills list provides a good list of choices. Assuming this is to be your boot boot drive, I would choose the one that is just slightly higher in capacity than that required to hold your O/S and applications/games. Make sure you set windoze to maintain a page file on each drive. Use 3 gigs of memory for 32 bit O/S, mucho more for a 64 bit O/S.
    cool and thanks ! say looking at Bills list I see the seagate 7200.12 250 gb drive ! LOL
    sorry but I could not resist pointing that drive out LOL !
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  10. #55
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    Re: seagates new Barracuda 7200.12 500GB drive

    like I stated early on, the 250's we have are pretty fast and so far after 2-3 years solid. I would not fear the smaller seagates personally. I do lean towards Samsungs for storage though, but it is personal prefernece I reckon, I have had failed Samsungs as well as WD< Hitachi's and the like. No one makes a product that will last forever that I know of. If so, why wouldn't we all have them?

  11. #56
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    Re: seagates new Barracuda 7200.12 500GB drive

    Quote Originally Posted by hunter4u View Post
    like I stated early on, the 250's we have are pretty fast and so far after 2-3 years solid. I would not fear the smaller seagates personally. I do lean towards Samsungs for storage though, but it is personal prefernece I reckon, I have had failed Samsungs as well as WD< Hitachi's and the like. No one makes a product that will last forever that I know of. If so, why wouldn't we all have them?
    Sorry to break the topic here but I love the hell out of your siggy


  12. #57
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    Re: seagates new Barracuda 7200.12 500GB drive

    Quote Originally Posted by brothergc View Post
    cool and thanks ! say looking at Bills list I see the seagate 7200.12 250 gb drive ! LOL
    sorry but I could not resist pointing that drive out LOL !
    Yeah, but I figured you'd ignore that. Mistake for this old fart, eh!!

  13. #58
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    Re: seagates new Barracuda 7200.12 500GB drive

    not sure bout the 500(1 platter?) but im not touching 1tb and up.tis suicide lol, in some case

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  14. #59
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    Re: seagates new Barracuda 7200.12 500GB drive

    I hate to say it man but I'd have no pity for anyone with a full TB drive and no sensible backup means LOL

  15. #60
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    Re: seagates new Barracuda 7200.12 500GB drive

    not sure bout the 500(1 platter?) but im not touching 1tb and up.tis suicide lol, in some case
    I have 1 of the Seagate 1Ts that I use for video processing on a different computer. I have had it almost full a couple of times but it does not stay full that long.

    I hate to say it man but I'd have no pity for anyone with a full TB drive and no sensible backup means LOL
    Amen to that
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