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Strange HDTach Result???

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  • Strange HDTach Result???

    Hi.. I was wondering if something is wrong with my system because HDTach reports the following :



    It seems that other people don't have such a large data drop off rate when using this benchmark.

    The Hard Drive in question is a 8.6GB seagate medalist (not pro) 8641 (model ST38641A)

    I am guessing its my motherboards (QDI Brilliant 1) IDE interface because in an Abit BX6 board it was practically level at 8.2MB/s?

    Any theories you want to throw around?

    Charles

    (Out of school and bored and looking for something to do until June 17 )

    ------------------
    PII-350@412(4*103), QDI Brilliant 1 (Bios 1.4SL), 256MB Ram, SB PCI128, Matrox Mystique G200+8MB (Altered Ramdac to 250 from 230)(Bios 2.2, Drivers 4.51, OpenGL Beta2) , 12MB Monster Voodoo2, Daytek 1536D 15" (1024*768*60Hz Max) 8.6 Seagate Medalist, LiteOn 32x, LS-120, 33.6 ISA Acer Modem. And some other stuff to boot

    PII-412, 256MB, 26.8 GB, 16MB G200 Mystique, LS-120, 48x Creative CD, SB 128

  • #2
    I have similar results with a IBM Deskstar 8 6.5GB and a Microstar LX motherboard running a PII333.

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    • #3
      Hi Charles,
      It looks pretty much normal for a udma hd. My seagate doesn't do as well, but my western digital does a little better on average, but the curve has a little more drop on the wd. It starts above 10 then drops gradually down to just above 5. If anyone does know any "tricks" to get more performance I would like to know, but afaik there is little that can done. Unless you use scsi.
      Matt

      ------------------
      BH6, 300a@504,128pc100, Delta CD, Sony DVD, SB Live, Mill. G200.

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      • #4
        hiya, i'm replying to this because i have a qdi legend-v mb, and figured it might help somehow in telling you my hd-tach results.

        read speed: max-11667 min-6787 av-10167
        random acc: 17.1
        read burst: 25.4

        i'm using a samsung va34324a 4.32gb hd

        lemme know if you want more info...

        ps- dma is enabled


        ------------------
        p2 266 ¦ 64mb ¦ qdi legend-v(lx), bios 1.8sl ¦ mill g200 agp, bios 2.2, driver 4.51, dx 6.1 ¦ sb16 pnp, samsung 4.32gb, orchestra french horn2 monitor



        [This message has been edited by scotty (edited 05-02-99).]
        p2 266@300 (4x75mhz) | qdi legend-v, lx chipset, bios 2.0sl | 96 mb pc100 | mill g200agp@99mhz 8mb sg, bios 2.6, pd 5.52 | win 98se

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        • #5
          Your drive has only about 48K effective cache in operation, I guess.

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          • #6
            meaning? (not being smart-assed here, i just dunno what yer talkin' bout)
            p2 266@300 (4x75mhz) | qdi legend-v, lx chipset, bios 2.0sl | 96 mb pc100 | mill g200agp@99mhz 8mb sg, bios 2.6, pd 5.52 | win 98se

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            • #7
              Almost all CAV(Constant Angular Velocity) drives including HDD and CDROM exhbits this kind of performance. The drive platter spins at a constant rpm rate, and hence the data on the outer rim pass through the recording/reading heads at a higher rate then those on the inner tracks; so does the internal transfer rate of the drive. It also depends on something called "aerial density", it is kinda measure of the recording density on the drive platter, in Mbits/sq.inch, the higher it is the higher the internal transfer rate is.

              Thats why some welldesigned 5400rpm drive can actually outperforms some 1st generation 7200rpm drive; simply because the former one has a higher aerial density, among other factors. In fact, aerial density is fast becoming a third performance determinant, in addition to average access(seeks) time and rpm of a HDD.

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              • #8
                Yep.. we just took that near the end of the school semester... fun stuff that is.. LOL

                Charles
                PII-412, 256MB, 26.8 GB, 16MB G200 Mystique, LS-120, 48x Creative CD, SB 128

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                • #9
                  I just have my semester completed at there:
                  <a href="http://www.storagereview.com/">Storagereviews</a>
                  I am a bad student anyway, check em out.

                  Comment


                  • #10
                    Looking for Lara !!!!

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                    • #11
                      Looking for Lara !!!!

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                      • #12
                        Looking for Lara !!!!

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                        • #13
                          Looking for Lara !!!!

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                          • #14
                            Looking for Lara !!!!

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                            • #15
                              Looking for Lara !!!!

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