Freya levels up!

A week after I ordered the netbook, the RAM upgrade I purchased arrived. After a quick bout with a screwdriver, I removed the bottom panel and installed the new module. Here’s the result:

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Although Win7 shows 2.50GB of memory available, the chipset is limited to using a maximum of 2GB. Despite this, the upgrade from 512MB to 2GB is pretty striking. Freya is far more responsive than before and applications are less prone to stuttering. As a testament, the Windows Experience Index for memory jumped from 2.9 to 4.4!

In addition to today’s upgrade, I found a couple of driver enhancements that could potentially improve battery life and functionality. The first major change was a BIOS upgrade that was issued by Lenovo a couple of days ago. The most noticeable change was alterations to the fan speed controller. Previously, the fan was either on or off, depending on the CPU utilization. The new update adds a more granular fan control scheme, reducing the amount of noise generated as the fan spins up. It also keeps power drain to a minimal since the fan won’t run at full power when not needed.

In addition to the upgrade, I finally found a compatible power management driver for Windows 7. It seems that the S10 is a mismash of hardware from other Lenovo machines, so it’s all a matter of finding the right driver for a different model. Fortunately for me, Windows 7 eventually identified the power management system as the same system used on one of the Y series laptops. It even gave me a link to Lenovo’s site for downloading the driver. Once installed, I’ve noticed some improvements in the battery life. Currently, the battery gauge is reading just over 50% and 2 hours of power remaining. Pretty good for such a minor tweak!

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