Windows 8 Pro 64 Performance fix

Discussion in 'EP121 Slate' started by shnfara, Dec 13, 2012.

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  1. shnfara

    shnfara Pen Pal - Newbie

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    Since upgrading my tablet, its become insanely slow. I had previously been using modded 604 bios that turned off throttling with windows 7, and updated stock intel graphics drivers, and I had much higher scores. I can't guarantee that this will work for you, but I was able to restore ALL of my WEI scores.

    Original Windows 8 scores:
    I have the NoctiNOC-MSATA-120G, hence the fast HDD, but I don't recommend this drive, it will crash hard on waking from sleep unplugged.

    Final Windows 8 scores:
    I was able to restore the graphics rating by following this guide on using legacy windows 7 intel HD graphics drivers for "old" arrandale chips:
    How To: Install "legacy" Intel HD Graphics drivers on Windows 8

    I was able to restore the processor speed by using Throttlestop, making sure to untick "BD PROCHOT".
    Thanks to this thread:
    http://forum.tabletpcreview.com/ep1...wer-than-clover-trail-sumsung-series-5-a.html

    I also have full Pen pressure support, across Apps, using unmodified 7.103 wacom drivers, with no tiny keyboard issues.
    I hope this limited info help others.

    I've read from the developer of Throttlestop that setting the bus speed to 166Mhz and using Throttlestop could provide a large gain, with 30/30 TDP/TDC and Force TDP/TDC set to 8 in the program's settings. I don't think anyone has overclocked the ep121 yet, not so?
     
  2. CF77

    CF77 Love Tablet. Senior Member

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    you cannot overclock as the vga clock is proportional to pll clock ouput...you will loose visual display..and memory channel too..
     
  3. wicked1

    wicked1 Scribbler - Standard Member

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    i had no trouble w/ the ocz nocti drive after updating to the modded 704 bios.
     
  4. shnfara

    shnfara Pen Pal - Newbie

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    Thanks for the tip!
     
  5. shnfara

    shnfara Pen Pal - Newbie

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    I updated my bios to the latest 704 modded ones by CF77, still crashing on wake. I have a feeling my issues came from cloning the original 64gb SSD to the OCZ Nocti. Others who did the same have reported this issue on this forum and others: Asus EP121 Zone

    wicked1, did you clone your original SSD or start from scratch?
     
  6. shnfara

    shnfara Pen Pal - Newbie

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    just found this Resolved NOC-MSATA-120G BSOD after Sleep

    turns out uninstalling Intel's RST ACHI does the trick.
     
  7. shnfara

    shnfara Pen Pal - Newbie

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    please remove my last post, no one should uninstall their Intel RST ACHI drivers, it prevented my machine from starting windows.
     
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