The Asus Eee PC 1101HA 11.6 inch laptop gives users more control over the clock speed of the Intel Atom Z520 CPU than any other Eee PC model. Not only can users adjust the clock speed using the Super Hybrid Engine in Windows, but there’s a BIOS setting that lets you tweak the overclock value from between 15% and 32%.

But it turns out there’s a catch: If you upgrade the computer’s RAM from 1GB to 2GB, you lose the ability to alter the overclock value in the BIOS. Apparently the same thing happens if you update the computer’s BIOS to the latest version.

It’s not clear at the moment whether the BIOS overclocking setting was an experimental feature that Asus wants to phase out, or if there are just a few glitches that need to be worked out.

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8 replies on “Asus Eee PC 1101HA: Upgrade the RAM to 2GB, lose ability to overclock”

  1. i upgraded one g of ram to two g, ddr and had major problems with functionality.

  2. I upgraded to 2GB and overclock works fine. Latest BIOS and Crucial CT25664AC800.

  3. I have asked Asus about this in a technical query. They flatly deny that either upgrading the RAM or BIOS will remove overclocking. Whilst I don’t believe them it could make an interesting warranty claim. ie Dear Sir or Madam, I’m sorry, but that is simply not possible. Best regards, Asus TSD

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