Acer Aspire 4745G-432G50Mn FAN CLUB

tobyboy — Mon, 19 Apr 2010 23:30:06 +0800

MODEL:
Acer Aspire 4745G-432G50Mn

SPECIFICATION:
-Intel Core i5 processor 430M 2.26Ghz 3MB L3 Cache
-Intel HM55 Express Chipset
-4port usb, HDMI output ready
-ATI Radeon 5470(512MB dedicated), fast switchable to Intel graphic
-Windows Seven Premium (64 bit)
-2GB DDR 3 ram(supports to 8gb)
-500gb SATA hdd
-Wireless, webcam, internal card reader, and Bluetooth with EDR
-DVDRW SuperMulti
-3YRS LIMITED WARRANTY, 1ST YEAR INTERNATIONAL, 2ND & 3RD LOCAL WARRANTY]
-Chic Metallic Finish

Bought this notebook at the KL PC Fair over the weekend. Prior to purchasing this notebook, I was deciding whether to get the ASUS A42JR (i5 version) or LENOVO G460 (i5 version). The ACER & LENOVO was priced similar at RM2699 while the ASUS is at RM2899 (ATI 512MB) / RM2999 (ATI 1GB). Frankly I prefer the keyboard on the LENOVO G460 as its typing feel was very similar to desktop keyboards. Performance wise, Windows 7 rated it with 5.0. Surprisingly, for the ASUS, its Windows 7 rating was only 4.9 where I noticed that the notebook faired lower in 3D Aero performance as well as Processor Calc per sec compared to ACER.

Having read several reviews on ASUS A42JR pertaining to short battery life & my other notebook being ASUS K40AB (AMD Turion 64) which could only squeeze out 1hr 50 min on battery power, I felt that the A42JR notebook could not justify the extra asking price over the competition. I wasn't convinced by ASUS of being a better quality noteboook than ACER sales pitch. What I didn’t tell the sales person was that my ASUS K40AB got fried on the 2 day of ownership which was replaced with a new set. Powering off the K40AB & left it for full charging somehow caused the burned circuit & the notebook couldn’t be powered on again. So is this quality issue or just pure bad luck? The 2nd new unit worked fine until today however.

Anyway back to the ACER, the machine ran hot with the ATI graphic card enabled especially at the left palm rest area which made typing unpleasant. Battery life as reported by professional reviews put the ACER at about 3hrs of actual use (gaming + wifi). However if you put the machine on power saving mode (pressing the” P” button), disabling the dedicate graphic card in favour of onboard Intel GMA & tweaking the power setting, LCD brightness, disabling the CD-ROM made a significant changes in the battery power life & heat output. Now if I could totally eliminate the heat from the left palm rest area that would be ideal. I notice most of the Pentium or i3 notebooks don’t suffer from as much heat problem at the left palm rest area as the i5 although both chips is rated 35W. Perhaps I need to open up the machine & mod a better thermal shield & risk void warranty....

Snap shot below, 99.6% of battery charge could power the notebook for another 5.5hrs (typing work & surfing with wifi on). Very impressive indeed as such battery power life is close to the low performance Intel SU / Atom chip notebooks.
http://farm3.static.flickr.com/2709/453500..._1ba3d452cc.jpg

CPU clock freq in power saving mode.
http://farm5.static.flickr.com/4055/453431..._613ea3ec14.jpg

Battery Power Life when machine is idle.
http://farm5.static.flickr.com/4003/453437..._3da900a1cf.jpg

Notebook CPU temp during idle & in between web surfing.
http://farm5.static.flickr.com/4005/453437..._49806c060e.jpg

Machine Setup & Win 7 rating under Balance Performance Power Mode.
http://farm3.static.flickr.com/2680/453434..._4a8536d546.jpg
http://farm5.static.flickr.com/4024/453498..._dea5ddf531.jpg

Overall I'm happy with this ACER as its been on for nearly 32hrs straight....

Win 7 32bit with > 4GB Ram

tobyboy — Wed, 06 Jan 2010 22:39:07 +0800

Guys...found these link on how to unlock Windows 7 32bit RAM limit of 3.25MB.

http://www.raymond.cc/blog/archives/2009/0...han-4gb-memory/

http://www.pallab.net/2009/12/30/enable-mo...indows-vista-7/

My setup is Windows 7 32bit OEM Professional on Asus K40AB notebook with 4MB RAM. After downloading & installing the patch, I'm able to select whether to boot up under normal Win 7 with 3.25MB RAM limit or Win 7 that support up to 128MB RAM.

Below is screen shot comparison of my system's available RAM resource.

http://www.2shared.com/file/10490759/a35f8...n_7_32_bit.html

http://www.megaupload.com/?d=4Z61K4E8

Most people choose Win 7 64bit is to overcome the 3MB RAM limit of 32bit OS. However, as there are many discussion here on having to live with incompatabilty of available software for 64bit OS, this patch certainly made my day. I can now fully utilyze my 4MB RAM & sync my Samsung i780 without a problem as the phone driver is only compatible with 32bit OS.

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Acer Aspire 4745G-432G50Mn FAN CLUB

Win 7 32bit with > 4GB Ram