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E8600 Q820A599 Playtime - - different look at memory


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E8600 Q820A599 Playtime

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Posted 01-09-2008 at 02:41 PM by eva2000

E8600 E0 stepping cpus landed in Australia around 5 weeks ago, but I waited around 3 weeks before I decided to try them out.

Rex at still has E8600 with Q820A599 batches so thought I'd go a bit crazy

All 5x E8600 are Q820A599 SLB9L 07/15/2008

5 babies lined up

Intel Core 2 Duo E8600
Q820A599 07/15/2008


Posted in Processors
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  1. Old Comment
    eva2000's Avatar
    Different board tested and way better max clocks on DFI UT X48-T3RS than on Gigabyte EP45 Extreme which had much better H20 cooling - Dtek Fuzion + HE120.3 compared to on DFI with just Corsair Nautilus 500 H20

    I flashed to 8/29 bios before installing my E8600 Q820A599 so lucky not to have any issues with setting vcore - so much so managed 4980Mhz at 1.55v bios set with Corsair Nautilus 500 H20 cooling for 3dmark05 !

    Posted 16-09-2008 at 01:31 AM by eva2000 eva2000 is offline
  2. Old Comment
    eva2000's Avatar
    E8600 Q820A599 *0537

    Bumped up vcore to 1.575v bios which came in around 1.568-1.584v idle with 0.016v-0.032v droop. This allowed to me pull of 32M @5003Mhz, 1M @5075Mhz and CPUZ Validation @5186Mhz (but cvf file didn't work so 5146Mhz screenie).



    CPUZ Validation @DDR3-2058
    Probably limited a bit by FSB ceiling as well as cpu cooling

    3dmark2001 didn't want to complete at 4980-5000Mhz so had to drop down to 4950Mhz with HD3850CF @823/2000

    System specs
    Posted 19-09-2008 at 02:52 AM by eva2000 eva2000 is offline
    Updated 29-10-2008 at 04:48 AM by eva2000
  3. Old Comment
    eva2000's Avatar
    E8600 Q820A599 *0464

    Further updates, this time with E8600 Q820A599 *0464 cpu. Again, I'm getting much higher 32M pi stability on a DFI board which has digital PWM.

    Check out for full details.

    Here's the proof

    To think this E8600 Q820A599 *0464 only did max Super Pi 1M @4952Mhz and max validation @5079Mhz at 1.552v idle on Gigabyte EP45-Extreme with exact same cooling setup.

    Even better than my E8600 Q820A599 *0537 which did Super Pi 32M @5003Mhz at 1.568v idle with max CPUZ Validation @5146Mhz on DFI UT X48-T3RS DDR3 board.

    E8600 Q820A599 *0464
    • Max CPUZ Validation @5146Mhz at 1.600v idle / 1.568v load
    • Super Pi 32M @5093Mhz at 1.600v idle / 1.568v load
    • Super Pi 32M @5025Mhz at 1.552v idle / 1.520v load


    @5093Mhz - click image for full screenshot

    @5025Mhz - click image for full screenshot

    • E8600 Q820A599 0464
    • CPU Cooling: Dtek Fuzion Rad Tower Box
    • DFI LP DK X48-T2RBS Plus - 9/23 beta bios
    • 128MB Gainward FX5200 PCI
    • 2x1GB Crucial Ballistix PC2-8500 Tracer double sided Micron D9GMH dual channel kit
    • Memory cooling: 120x25mm Thermaltake 81cfm fan
    • 750GB Samsung SATAII
    • Pioneer 215 DVD-RW
    • 1200W Silverstone OP1200
    • WinXP Pro SP2 Nlite Fully Updated.
    Posted 29-10-2008 at 04:47 AM by eva2000 eva2000 is offline

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