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Thread: hdd slow after overclock

  1. #1
    Join Date
    Oct 2004
    Jämtland, Sweden

    Default hdd slow after overclock

    i've been overclocking my pc for the past five hours, making small changes, rebooting and running diffrent benchmarks (SiSoftware Sandra 2005 "combined performance index wizard"). I raised the external clock from 166 to 188, set a 3:3 ratio for my ram, disabled FSB and AGP spread spectrum ( i read somewhere that it's not good to have it enabled if you overclock), raised the AGP aperture size to 128 mb.

    From this i've got like 11 % increase in the overall score (9894 - 11081),
    12 % in CPU multi-media performance, 14 % in memory bandwidth.

    But the file system score went down from 27208 to 25326, a decrease with like 7 %!

    When i run the Speed Test in the nVidia nForce 2 ATA controller options screen, my WD drive scores 56 millions bytes/s, but it supports up to 100. I've got ATA 100 cables and all, but the samsung drive is even worse!
    29 million bytes/s! Is this normal? I've got UDMA 5 enabled on both drives.

    (the samsung drive is SV2001H; it's like three years old)
    The WD drive is WDC WD 800JB-00FSA0

    PS Is it worth buying a fan for my gfx card and overclocking it? I dont have one.
    Last edited by ifander; 12-13-2004 at 01:03 AM.

    Chieftec Bravo LBX01-B-B-SL
    580 W Hiper Type-R PSU

    Gigabyte GA-K8NXP-9 S.939
    AMD Athlon 64 Venice 3000+ at ~2470 MHz
    OCZ Gold EL PC 3700 Ram, 2.5-3-3-8 at ~456 MHz,
    2x512 MiB
    Gigabyte SilentPipe X800XL, 400/490 MHz
    Auzentech Digital X-Mystique 7.1CH DDL-RCE
    Logitech Z-5500 5.1 speakers
    1 x WD Caviar 8 MiB cache 1600JS-00MHB0 160GiB SATA-2
    3 x WD Caviar SE 16 MiB cache 2500KS-00MJBQ 250GiB SATA-2

  2. #2

    Default Re: hdd slow after overclock

    Your controller may not like the extra clock you're giving it, but run the tests a few times just to make sure it's not other things causing the different readings. My 3dmark 05 scores vary by a few hundred each time I run it..same settings.

    An aftermarket fan/hs would be a good idea, and would allow for higher clock speeds. Arctic silver 5 is also a really good idea.

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