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Windows 7: RAM upgrade question

09 Feb 2011   #1
merkat106

Windows 7 Enterprise x64 SP1
 
 
RAM upgrade question

Tis' the story of two laptops: a MacBook Pro "CoreDuo" 17" and a HP DV9650US. The MacBook has since died (bad logic board). However, in late 2009, I had upgraded its RAM with RAM made for Apple. The HP has never been upgraded since it was purchased about two years ago. It is slow so I was going to upgrade its RAM (currently about 2Gb) and upgrade its OS to x64.

Both laptops use ddr2 so I'm sure that the Apple RAM modules will fit in the slots on the HP. Will the HP recognize the RAM from the dead MacBook? Or should I just buy new RAM? I am on a budget here, so money is tight.


My System SpecsSystem Spec
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09 Feb 2011   #2
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Scan your system here ( RAM Memory Upgrade: Dell, Mac, Apple, HP, Compaq. USB drives, flash cards, SSD at Crucial.com ). Then you know exactly what RAM Dimms you need. Then check your leftover Dimms whether they have those specifications. You can alwys put the "leftovers" in temporarily and scan them too to get the specs.
My System SpecsSystem Spec
09 Feb 2011   #3
pxsalmers

Windows 7 Ultimate x64
 
 

It's good that they are both DDR2, but normally its not good to mix brands as they usually differ with timings. Also your Macbook RAM might not be compatible with the board on the HP. Do you have the model name/brands for each set of RAM?

edit: whs beat me to the punch
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09 Feb 2011   #4
merkat106

Windows 7 Enterprise x64 SP1
 
 

Quote   Quote: Originally Posted by pxsalmers View Post
It's good that they are both DDR2, but normally its not good to mix brands as they usually differ with timings. Also your Macbook RAM might not be compatible with the board on the HP. Do you have the model name/brands for each set of RAM?

edit: whs beat me to the punch
1. I wasn't planning on mixing brands. Each laptop holds 2 DIMMs so I'd move the ones in the Mac to the HP since the Mac is dead.

2. Not sure what brand is in HP since they are original to the unit, but HP Support says 2Gb DDR2. The Mac, I believe uses Kingston Apple. I don't remember the Gb amount.

3. Compatibility is my question
My System SpecsSystem Spec
09 Feb 2011   #5
pxsalmers

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by merkat106 View Post
Quote   Quote: Originally Posted by pxsalmers View Post
It's good that they are both DDR2, but normally its not good to mix brands as they usually differ with timings. Also your Macbook RAM might not be compatible with the board on the HP. Do you have the model name/brands for each set of RAM?

edit: whs beat me to the punch
1. I wasn't planning on mixing brands. Each laptop holds 2 DIMMs so I'd move the ones in the Mac to the HP since the Mac is dead.

2. Not sure what brand is in HP since they are original to the unit, but HP Support says 2Gb DDR2. The Mac, I believe uses Kingston Apple. I don't remember the Gb amount.

3. Compatibility is my question
the different mobos might have different DIMM slot setups. ex. 2 DIMMS x 204 pin vs 2 DIMMS x 240 pin, although its unlikely that they would differ. assuming same clock frequency/timings. sometimes the RAM tells you the size/timings/frequency right on it. at least some newer ones do.

just go to that link that was posted above by whs. it should help you out.
My System SpecsSystem Spec
09 Feb 2011   #6
thefabe

Windows 7 ultimate 64 bit / XP Home sp3
 
 

+1 for whs run the program I wouldn't be surprised if it didn't work since Apple like most OEM's like to paly the you have to buy it from us program.
Fabe
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09 Feb 2011   #7
merkat106

Windows 7 Enterprise x64 SP1
 
 

The Mac is dead, so the link won't help, & I don't have access to the HP until tomorrow. But isn't DDR2 a standard for the layout/amount of pins on the DIMM?
My System SpecsSystem Spec
09 Feb 2011   #8
pxsalmers

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by merkat106 View Post
The Mac is dead, so the link won't help, & I don't have access to the HP until tomorrow. But isn't DDR2 a standard for the layout/amount of pins on the DIMM?
not quite. RAM DIMMs come in different formats as far as pins go.

DIMM - Wikipedia, the free encyclopedia

ex. you can have DDR3 and DDR2 DIMMS both at 240 pins.
My System SpecsSystem Spec
09 Feb 2011   #9
merkat106

Windows 7 Enterprise x64 SP1
 
 

Okay, went to site. Both units seem to take the same type of DIMM. However, it would seem that the Mac could only have been upgraded to 2GB, which is the current amount in the HP. So, no go with my idea. Will end up buying the HP new RAM online.
My System SpecsSystem Spec
09 Feb 2011   #10
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Those are the breaks, too bad.
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