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New Hard Disk to Buy and Install

I want to add a new HD to complement existing IDE IBM, 15 GB. I have read positive reviews about Western Digital Caviar series, I understand that they have broad scale of storage in 5000 or 7500 speeds. Have you got experience with these disks? I plan to get either 20 or 30 GB versions.

My second question is about installation. Configuration on my motherboard with 500 KHz processor is:
Primary Master: Hard Disk
Primary Slave:  CD-ROM device
Secondary Master: CD-ROM R/RW device
Secondary Slave: Available

The question is whether I can just attach a new HD (after properly setting jumper on it) to the Secondary Slave connection without a significant loss of transer speed. Or should I go through hassle of reshufling both cables?

Thank you,

Nick
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olemule
Asked:
olemule
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1 Solution
 
slink9Commented:
Caviar is a very good drive.  You will be happy with that.
I consider it a standard practice to put like equipment together.  That would mean IDE0 would get the boot disk as master and the new drive as slave while IDE1 would get the CDRW as master and CDRom as slave.  The only thing necessary here would be to put the CDRom on the other cable.  NO rejumpering necessary.  Just make sure the new drive is slave and go with it.
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olemuleAuthor Commented:
Thanks, Slink9. I have one follow-up question. Is there any huge or significant difference between having disk with 5000 or7500 RPM?

Thank you,

Nick
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KS_RobertCommented:
Olemule,

There's not a huge difference between the two.  The situation where you see a big difference is when going from UDMA33 to UDMA66 or UDMA100.  There you will see increases in disk speed.  :-)  I would recommend a Promise ATA-100 controller if you're looking into that sort of thing.

Thanks,
Robert
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HuntyOwner/OperatorCommented:
Are you talking about 7200RPM UDMA66 or 100?  7200 UDMA100 is noticably quicker IMHO but you would have to have both HDDs on the same IDE port to see the diff and they would have to have the same rating or the faster of the two would default to the slower speed.
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HuntyOwner/OperatorCommented:
Sorry KS_Robert, I must have been typing while you were posting.  :-)
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HuntyOwner/OperatorCommented:
The Promise card is definitely a good way to go.  I'm using that card on my system right now and it runs my WD HDDs just fine leaving my mobo's IDE ports open for other uses like LS120, CD, CDRW etc....
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slink9Commented:
Obviously the math difference is a 50% increase in the speed that the drive can get the data into it's controller.  It then has to go through the cable to the IDE controller.  How new is your mobo?  Does it have one of the newer controllers (ATA100 I believe it is).  If it doesn't have the newer controller your bottleneck is going to be the controller.  Also, I believe the channel is going to operate at the speed of the slowest hardware on it.  If it is paired with an older drive it probably wouldn't run with a faster data rate than that.
The best idea is to make your fastest drive the boot drive.  You can make an exact copy of the old drive onto the new one with Ghost or DriveCopy and then use the smaller drive as the data drive.
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slink9Commented:
It looks like we were all typing at the same time.  I guess that can happen in this multitasking world.
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HuntyOwner/OperatorCommented:
I like the way you think slink.  :-)
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olemuleAuthor Commented:
I know that all answers were excellent but slink was first. I thank you all very much and I learned a lot.

Thanks again, Nick
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slink9Commented:
Awesome ... That is two As in a row!  Maybe there is a bit of fairness left in the world.
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HuntyOwner/OperatorCommented:
Uh, what part of the comment was first?  Not to be facetious or anything and I don't want the points either, but your comment is confusing.
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slink9Commented:
And that puts me less than 300 points away from #100 in the Hall of Fame.  I will get there eventually!
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slink9Commented:
I believe the confusing part is the comment that was accepted.  I was first to answer the initial questions.  Then everyone else came up with the informative comments.
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olemuleAuthor Commented:
Damn right. Slink was first with an excellent answer, then everybody else came with outstanding stuff, as well.

Nick
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HuntyOwner/OperatorCommented:
Ok, makes sense to me.  :-)
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