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Geek Culture / HD Q&A

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Slayer
21
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Joined: 15th Nov 2003
Location: CA
Posted: 6th Feb 2005 12:36
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SCSI and dual WD raptor.

What would be the point to buying two raptors 10k 8mb in RAID-0 and not just one 40gb SCSI 15k HD 16mb?

Two raptors just seam to have a 20% inc in purformence!
its just like haveing a 12k hard drive.

What's more important is whats wrong with a SCSI hard drive?!

I dont know how to spell
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Rye
21
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Joined: 30th May 2003
Location: United Kingdom, Blackrod
Posted: 6th Feb 2005 13:02
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SCSI was good quite a while back when computers wern't that fast. but standard ide does the job fine now. no need for scsi. especially since it requires some kind on scsi pci card.

ive filled all my ide slots, so i moved onto external USB 2.0 drives. All programs/ games run from internal so they fun fine. all my videos/music run from my external 200GB which is more than fast enough for its purpose.

scsi HD's are irritating because drivers are needed for the scsi card which opperates them. therfore its gonna be harder to install an OS onto a scsi HD.

my drunken thoughts anyway

Rye
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GothOtaku
21
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Joined: 23rd Nov 2003
Location: Amherst, MA, USA
Posted: 7th Feb 2005 05:09
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SCSI is still good for certain things. If you absolutely need speed then you'll use SCSI because even though IDE has made massive strides in efficiency SCSI still beats ATA/IDE. Also, you can have SCSI devices outside of your computer which is a big plus.
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OSX Using Happy Dude
21
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Joined: 21st Aug 2003
Location: At home
Posted: 7th Feb 2005 05:54
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No, IDE is easily level to SCSI - which means that IDE is cheaper you might as well as get that.

Visit http://homepages.nildram.co.uk/~nickk/
Questions are a burden to others, answers a prison for oneself.
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GothOtaku
21
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Joined: 23rd Nov 2003
Location: Amherst, MA, USA
Posted: 7th Feb 2005 13:11
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Quote: " No, IDE is easily level to SCSI - which means that IDE is cheaper you might as well as get that."

No, it's a common assumption that modern IDE is as fast but it's still not. If you do some actual tests you'll find SCSI is still a bit faster.
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Slayer
21
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Joined: 15th Nov 2003
Location: CA
Posted: 7th Feb 2005 13:20
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Quote: " No, IDE is easily level to SCSI - which means that IDE is cheaper you might as well as get that."
No, it's a common assumption that modern IDE is as fast but it's still not. If you do some actual tests you'll find SCSI is still a bit faster.

like 5,000 more rpm at 320mb
IDE is only up to 7,200 and ATA at 10,000 RPM

well some people say there hard to install and some other junk.

I dont know how to spell
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Lost in Thought
20
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Joined: 4th Feb 2004
Location: U.S.A. : Douglas, Georgia
Posted: 7th Feb 2005 13:22
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Never look at the RPM's they can be misleading. Look at the access times and transfer rates.

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GothOtaku
21
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Joined: 23rd Nov 2003
Location: Amherst, MA, USA
Posted: 7th Feb 2005 14:06
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Quote: "well some people say there hard to install and some other junk."

Oh yeah, in *nix it's usually easier than in Windows (you need to install third-party SCSI drivers on install) but it's still a pain because you have to chain SCSI drives together. This means that the cord goes from your computer into the device and then from that device to the next and continues until it you end it with a SCSI terminator (a special plug). You also sometimes need to explicitly assign driver numbers to each device by manual changing a dial on the back. However, on most modern systems/devices the terminator is optional as well as manually assigning explicit device numbers. Intersting fact, the interface specs for USB and SCSI are very similar which is why in *nix you mount a USB drive like you would a SCSI drive.
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