Slow HD to HD Transfers


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I recently added a 60gb hard drive to my computer and previously had a 15gb so I decided to keep the old one for my FTP and media (mp3's, videos, pictures) but the problem is, for some reason my transfers are slow between the drives. I originally had the new hard drive hooked up to the same channel as the optical drive I use the least, and then the old drive with my optical drive I use to the most. So I switched it around and now I have both hard drives on the same IDE channel and then the optical drives on the other, but this didn't fix it. Any suggestions? Windows says UDMA 3 is being used for both hard drives, and the speed is terrible(i.e. it took 30-45 minutes to move 2.5 gb of data over the two drives.)

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btw, not sure if this makes a difference but I have the 60gb partitioned off into about 5 partitions and the old drive is a single partition but im going to be spliting it up. Also both drives are NTFS.

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I have both hard drives on the same IDE channel and then the optical drives on the other, but this didn't fix it. Any suggestions?

If the 15gb has a slower RPM or DMA (33/66) and the 60gb has another DMA that you're using (100) it wil lslow things down. The drives run at the fastest available. so that means if one had 66 and other 100 they would run at 66. Follow me?

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where do you people keep getting this crap.. geeze. What you should say is that if one drive is ata-33 and one is 33 then the they copy will be limited to ata-33 since the slower drive can't push out the info fast enough.

Besides that tho.... was there ever a UDMA 3? 2 is ATA-33 and 4 is ATA-66. Which mobo are you using and can it run at ATA-100 like you want it to? Give us some PC spec info.

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I'm getting my new Promise ATA133 PCI Card thru the post tomorrow, and gonna give all 4 of my devices (2 CD & 2 HDD) their own IDE Channel (all of them will be on master)

The HDDs are going in the ATA133, while the CD Drives will go in 2 of the motherboard's ATA66 slots.

Should max out all speeds whichever way it transfers, and something you could try too. :)

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the 15GB could be ATA-66 or something and the 60GB could be ATA-100/133 ...this makes a big difference..you will only be able to transfer at ATA-66

also RPM makes a difference...60GB 7,200 and 15GB 5,400 RPM maybe?

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Originally posted by DigitalDJ

the 15GB could be ATA-66 or something and the 60GB could be ATA-100/133 ...this makes a big difference..you will only be able to transfer at ATA-66

Even on seperate IDE Channels? I didn't think so. Was told that a ATA100 HDD would run at ATA66 if there was a ATA66 HDD on the same cable.

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also your old hd might be shot to **** and have about 300.0 fragments per file or some wacked stuff. that could also slow down performance and transfer speeds by a lot especially if the hard drive is old and yat yat. but like they are saying lets see some specs my man, then everyone might be able to diagnose your problema.

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Originally posted by AaronXP

Even on seperate IDE Channels? I didn't think so. Was told that a ATA100 HDD would run at ATA66 if there was a ATA66 HDD on the same cable.

if they are operating independently (ie. not copying from one to the other) then they will run at their normal speeds.

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Well now I tried putting both hard drives on the same channel to see what would happen and Windows XP reports that it's using DMA Mode 3 (about 44MB/sec) on both the drives, but it's still as slow as before. My motherboard is capable of up to ATA 66 (mobo specs can be found at: http://www.aopen.com/products/mb/ax63pro.htm .) Im running a P3 565mhz, 512mb SDRAM, geforce 4 ti4200, Western Digital 60gb 7200 rpm and a Maxtor 15gb 5400 rpm. Need any other specs?

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