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The notebook is equipped with two 1GB modules of 533MHz DDR2 SDRAM that work in dual-channel mode as the following screenshot shows. The maximum amount of memory supported is 4096MB, but I guess 2GB is already quite enough for most applications.

I measured the temperature of the hottest spots on the notebook’s surfaces with an infrared thermometer after it had worked for half an hour in the Classic test mode of Battery Eater Pro 2.60 (the ambient temperature remained constant at 24°C during this test) and got the following numbers:

  • LCD panel – 47°C
  • Keyboard – 36°C
  • Bottom panel – 42°C

The table below lists the technical specs of the Acer Aspire 5654WLMi and compares them with those of the Sony VAIO VGN-AR11SR:

Testbed and Methods

The notebook’s hard drive was formatted in NTFS before the tests. Then I installed Microsoft Windows XP Professional SP2 with DirectX 9.0c, system drivers (from the system recovery disc I had created myself), and Windows Media Encoder 9.0 with Windows Media Player 9.0.

The following settings were used for the tests:

  • Power-saving services – Off
  • Audio subsystem – Off
  • Network services – Off
  • Maximum screen brightness
  • Maximum resolution of the display selected (1280x800)
  • Windows Taskbar is Unlocked
  • Windows Taskbar hides automatically
  • Classic Desktop theme
  • No background image on the Desktop
  • No screensaver
  • Low security level
  • Pop-ups blocking disabled

Two power modes were used. First, I selected the Always On power mode for the maximum performance and the shortest battery life. Then I switched to the Max Battery mode for the maximum battery run-down time.

Our tests:

  1. Performance benchmarks: synthetic (SiSoftware Sandra 2005, PCMark 2004), office and multimedia (Business Winstone 2004, Multimedia Content Creation Winstone 2004), and games (3DMark 2003 3.60, Quake 3, Unreal Tournament 2003)
  2. Battery life tests (Battery Eater Pro 2.60)

There are three test modes in Battery Eater:

  • Classic – the system bears the highest and evenly distributed load
  • Reader’s test (the pages are browsed through each 15 seconds)
  • Idle mode

I used the first two modes as they are in Battery Eater, but in the Idle mode (when the test utility doesn’t put any load of its own on the notebook) I played a DVD movie.

 
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