Re: Install 4GB into laptop whose manufacturer claims 2GB as MAXIMUM

Tech-Archive recommends: Speed Up your PC by fixing your registry

Asus made one MB that claimed 2GB but you would only get up to 1.5 in reality because of a missed design fault on the address bus. Maybe the maximum limits stated were put there because of similar defects on earlier version boards? On the Asus board (A777M I think but not sure now) installing 2GB showed almost no memory at all and no BIOS update ever fixed it :)

So I think your suggestion is probably quite correct and your info on the chipset seems right I would not rule out early design faults in the MB.

JEWboy wrote:
Now as an Electrical Engineer I proved this point and upped my HP to 4GB w/3.25GB usable:


If your chipset is Intel945 - as in my HP dv8408us & MANY NEWER HP laptops (Pavilions/MediaCenters), ignore HP claim of maixmum memory = 4GB.

You can install 2GB+2GB sticks, you'll get 3.25GB usable by Windows, I know you waste about 1GB but it still makes sense. Intel945 chipset is hardwired for 32-bit adddresses so Windows whether it be 32 or 64bit is not a limitation, it's the chipset which is a limitation, STILL it can address 4GB, not 2GB as HP claimed on my laptop specs. I've done the same with IBM Thinkpads, where they claimed 512MB to be max 5 years ago, but I was running with 1GB. It appears idiots sometimes write these specs because 2GB laptop SDRAM modules were unavailable at that time at reasonable price/pinout?

By the way if your Windows is 32bit - that is a software limit at 4GB, chipset - is a hardware limit. Th eoverall system limit is obviously SMALLESt of these numbers.
The only way to use over 4GB is if both hardware + Windows are 64-bit, AND BIOS is updated.
Also the trick above may give you BLUE SCREEN of DEATH if your HP laptop BIOS is not latest, and you never get full 4GB due to memoryhole in older laptops, and I/O overhead which wastes 0.7GB

I use strictly CORSAIR memory - not their Valueselect series, but regular Corsair - made in Colorado, CA, world's top speed/US-designed/US-made maker, with their valueselect line outsourced to Taiwan but regular still made in USA. This is in the same class as QCZ & Mushkin, etc but made in USA with all premium manufacturing/semiconductors/quality. They continue mislabel some SDRAm modules as "for Mac", but they're dual Mac/PC since Apple is using Intel chipsets now, that is one problem with Corsair they didn't listen to my complaint and lose revenues when nontechnical people don't realize what Corsair labeled as Mac, is for PC.

So 3.25GB here on a laptop claiming to be 2GB max. I can appreaciate extra 1GB+ (55% increase!) for CAD & Engineering simulation wares som eof which list 8GB as 'recommended"
(Autodesk Inventor2010 Profressional with assemblies over 5,000 parts, Agilent ADS RF simulation suit - wants quad core, 8GB)
.

Relevant Pages

  • Install 4GB into laptop whose manufacturer claims 2GB as MAXIMUM
    ... Intel945 chipset is hardwired for 32-bit adddresses so Windows whether it be 32 or 64bit is not a limitation, it's the chipset which is a limitation, STILL it can address 4GB, not 2GB as HP claimed on my laptop specs. ... I use strictly CORSAIR memory - not their Valueselect series, but regular Corsair - made in Colorado, CA, world's top speed/US-designed/US-made maker, with their valueselect line outsourced to Taiwan but regular still made in USA. ...
    (microsoft.public.windows.vista.general)
  • Re: Install 4GB into laptop whose manufacturer claims 2GB as MAXIMUM
    ... Intel945 chipset is hardwired for 32-bit adddresses so Windows whether it be 32 or 64bit is not a limitation, it's the chipset which is a limitation, STILL it can address 4GB, not 2GB as HP claimed on my laptop specs. ... I use strictly CORSAIR memory - not their Valueselect series, but regular Corsair - made in Colorado, CA, world's top speed/US-designed/US-made maker, with their valueselect line outsourced to Taiwan but regular still made in USA. ...
    (microsoft.public.windows.vista.general)
  • Re: Install 4GB into laptop whose manufacturer claims 2GB as MAXIMUM
    ... ignore HP claim of maixmum memory = ... You can install 2GB+2GB sticks, you'll get 3.25GB usable by Windows, I ... not 2GB as HP claimed on my laptop specs. ... regular Corsair - made in Colorado, CA, world's top ...
    (microsoft.public.windows.vista.general)
  • Re: Install 4GB into laptop whose manufacturer claims 2GB as MAXIMUM
    ... Intel945 chipset is hardwired for 32-bit adddresses so Windows whether it be 32 or 64bit is not a limitation, it's the chipset which is a limitation, STILL it can address 4GB, not 2GB as HP claimed on my laptop specs. ... I use strictly CORSAIR memory - not their Valueselect series, but regular Corsair - made in Colorado, CA, world's top speed/US-designed/US-made maker, with their valueselect line outsourced to Taiwan but regular still made in USA. ...
    (microsoft.public.windows.vista.general)
  • Re: WiFi Internet
    ... to have a WiFi setup? ... My laptop has Windows XP and a built in Wi Fi device. ... If you are keeping the box up2date with yum or yumex, then the latest kernels actually have this module in them already, and it may be that it can work if thats your chipset. ...
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