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ata100 hard drive performing like ata66

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EdipisReks

Platinum Member
my 40 GB maxtor 7200 is displayed as ata100 in the hardware screen right before windows boots as running at ata100, but benchmarking tools show the transfer rates to be at ata66 levels. this is in winxp with the system in my sig, with and without the intel application accelerator installed. i finally got my system working well yesterday, but i noticed some slowness transfering data yesterday. that is when i benchmarked the drive with sisoft (yeah, yeah, it's not the best benchmark, but it did confirm the slowness i was feeling transfering files). is there any way to make sure that windows is using the drive in ata100 mode?

--jacob
 
No hard drive exceeds ATA66 performance levels, let alone getting anywhere near ATA100 levels.

You may occasionally get burst transfer rates out of the cache from the very best hard drives getting to about 80MB/s, but these are the exception rather than the norm.

Just make sure that you have DMA enabled.
 
duh, i totally forgot about the actual drive performance vs. the theoretical performance that sisoft measures the drives against. DMA was turned off for some reason, but it's fixed now. getting too much sleep last night has turned me into a n00b. thanks again, Andy!

--jacob
 
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