It seems like the hardware of the laptop I used in the testing is not stable enough. So please just ignore the previous test results. Sorry for any inconvenience caused.
Thanks Xiaoyang (Max) Tel: (8610)8261-1515 Ext. 1428 iNet:8758 1428, Fax:(8610)8286 1407 >-----Original Message----- >From: Yu, Xiaoyang >Sent: 2007年11月16日 11:44 >To: Selbak, Rolla N >Cc: SSD-OTC Beijing All; [EMAIL PROTECTED]; >[email protected] >Subject: RE: Comparison of Vista Ultimate (i386) and Ubuntu >Gutsy 7.10 (i386) on HP Compaq nx6110 laptop measuring power >in idle mode > >In the test, Vista used a customed power plan with maxmum >power saving as following: > >* Turned off hard disk after 1 minute. >* Wireless adapter settings: Maximum power saving. >* USB selective suspend setting: Enabled >* PCIe Link State Power Management: Maximum power savings >* Processor power management: Minimum processor state: 0%. >Maximum processor state: 50%. >* Search and indexing Power Savings mode: Power Saver >* Adaptive display: On > >Thanks >Xiaoyang (Max) > >Tel: (8610)8261-1515 Ext. 1428 >iNet:8758 1428, Fax:(8610)8286 1407 > > >>-----Original Message----- >>From: Yu, Xiaoyang >>Sent: 2007年11月16日 11:20 >>To: Selbak, Rolla N >>Cc: SSD-OTC Beijing All; [EMAIL PROTECTED]; >>[email protected] >>Subject: Comparison of Vista Ultimate (i386) and Ubuntu Gutsy >>7.10 (i386) on HP Compaq nx6110 laptop measuring power in idle mode >> >>Hi Rolla, >> >>The test results show that Ubuntu Gutsy consume less power >>than Vista. Using powertop can save more power. The attached >>pictures visulized the power consumption of Ubuntu after using >>powertop to optimize it. Seems like cron jobs introduced noise >>into the data. So I suggest to disable cron jobs in later tests. >> >>[ Computer's config ] >> >>Computer type: HP Compaq nx6110 laptop (i915) >>Processor: Intel Pentium M processor 1.73GHz >>Physical memory: 503MB >>AC voltage: 225V >> >>[ Test results ] >> >>OS name: Windows Vista Ultimate i386 >>Power consumed in idle mode: 16.14W >> >>OS name: Ubuntu Gutsy 7.10 i386 >>Kernel version: 2.6.22 >>Power consumed in idle mode: 12.72W >> >>OS name: Ubuntu Gutsy 7.10 i386 optimized by powertop >>Kernel version: 2.6.22 >>Power consumed in idle mode: 12.36W >> >>The test environment is similar to the requirement of the >>latest Energy Star Spec. The display is turned off. The >>wireless radio is turned off. The ethernet connection is >>active. Using a Extech power analyzer 380803 to measure the >>power comsumption. Measured for 5 minutes. Sampling time is 1 second. >> >>Thanks >>Xiaoyang (Max) >> >>Tel: (8610)8261-1515 Ext. 1428 >>iNet:8758 1428, Fax:(8610)8286 1407
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