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Hey everybody.
My computer seems to lag so I'm trying to tackle the problem. I've decided to start with the hard drive. BTW HD has been recently defragged and is split into 3 partitions.
My HD is a Seagate 160GB S-ATA, 8MB cache.
I've restarted my computer and run HD Tach. And I'm in discrepancies with the results. It appears my HD's burst speed is around 100mb/s. I was under the impression S-ATA HDs had a burst speed of 150mb/s.
Here is a screenshot of the results I've obtained. http://img.photobucket.com/albums/v618/junkmale_account/mySATAHDspeed1.jpgIs this a low burst rate? Or is it normal?
Any help is appreciated.
SATA150 will not burst at 150
ATA133 will not burst at 133
ATA100 will not burst at 100
The ratings are theoretical. From what I've seen, most are getting about 110-115 with SATA
Asus A7N8X-X
1800+ @8x210mhz
512mb PC3200
Ti4200/8X 128mb
WDC 60GB
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I'd say 100MB/s is a quite good rate. Maybe not the fastest possible but that also depends a lot on your board and the controller chip on it. Some are faster and some a bit slower!
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does anyone know if partitioning the hd into multiple drives makes any difference? ive got mine partitioned into 3 drives
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no, it's not going to make any difference how your drive is partitioned into because a test of buffered reads ISN'T A TEST OF YOUR DISK.
burst rates are the theoretical limits of the interface. imho, differences in interface speeds are mostly useless. i can run a 7200RPM SATA150 drive and you can run a 10000RPM ATA100 drive and you'll get better performance out of your system than i will.
i run an athlon xp 1900 clocked at 1400Mhz (supposed to be 1600Mhz, chip is bad, didn't feel like sending it back) with a 36GB IBM 36LZX Ultra160 10K scsi drive. my parents have an athlon xp 2700 with a 80GB maxtor 7200RPM 8MB cache. my computer blows theirs out of the water. same operating system (win2k) with the same crap running. i keep their computer clean for them. mine boots faster, loads applications and games faster, shuts down faster, and general does everything faster. oh, and both machines have the same amount of DDR SDRAM. mine is PC2100 (133Mhz DDR FSB, currently clocked at only 123Mhz DDR FSB due to unstable CPU), theirs is PC2700 (166Mhz DDR FSB).
IDE is and always will be cheap mainstream storage with crappy reliability and horrid transfer rates, regardless of interface technology. SCSI or bust.
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