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I recently bought a new harddrive. It is a Western digital 80gb drive with 2mb cache. My other drive is also a WD but it has 8mb cache. The problem is that when I try to access something on the new drive (which is only used for storage) the whole system slows down and almost halts. I did a benchmarktest with sisoft sandra and found out that the new drive is only half as fast as the old one. Should it be like that, does the 6mb of extra cache make the old one twice as fast? and why does the system slow down?

I'll be very grateful for all the help I can get.

attached here is the benchmarktest of the slow one.



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2mbcache.JPG

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Make sure that you have DMA turned on. Open the Control Panel, then the System tool. Click on the button for the device manager. Under IDE Controllers, right click on Primary IDE Channel and select Properties. From the Advanced Settings tab, make sure that all of the Transfer Mode drop-down boxes are set to "DMA if available." Do that for all of the IDE Channels listed in the device manager. See if your speeds improve.

(Note: some of the menus might be different in versions of Windows other than Win2k)

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Also make sure you are using 80-pin cables, simply mistake but it gets made alot. Toms Hardware benchmarks revealed that the 8mb version was only very slightly faster, and then only on certain file transfers (which is why mine is a 2mb). So the difference should not be that much.
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The DMA-options are all as they shoud be, and the cables seem to be right to. I just hope that I wont have to send the drive back to WD 'cause I had to do that 2 times with the old one until I got one that worked. They will probably think I smash harddrives for the fun of it just to make them give me new ones.



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