MBP 13" Mid 2009 8GB RAM Upgrade

SweeneyD24

macrumors regular
Original poster
Feb 16, 2011
133
7
Mauritius
Hey guys,

Just a quick question here,
I'm wondering if my MBP will support an 8GB RAM upgrade!

MBP specs: 13", 2.26Ghz, 2 x 1GB RAM, 160HD, Mac Os Lion, Mid 2009.

I upgraded my RAM to 5GB recently, 1GB + 4GB and it's working fine. I bought another 4GB module and installed it but I get a beep sound when I turn MBP on!

I read on the Apple support page that my MBP should support 8GB ram.

Any ideas?

Thnx!

--
MBP 13" Mac Os X Lion 2.26Ghz, 160GB HD, 5GB Ram; iPhone 4S 64GB
 

Quad5Ny

macrumors 6502a
Sep 13, 2009
982
18
New York, USA
^ That and I would also make sure the sticks are the exact same model. When running in dual channel mode you don't want mis-matched pairs.
 

SweeneyD24

macrumors regular
Original poster
Feb 16, 2011
133
7
Mauritius
The 2009 MBP model supports 8 GB of RAM, it just might be, that the new 4 GB module is faulty. Return it and get a new one.
^ That and I would also make sure the sticks are the exact same model. When running in dual channel mode you don't want mis-matched pairs.
I removed the "old" 4GB module and installed the "new" one. It seems to work fine with the 1GB module which indicates that the "new" 4GB module isn't faulty. I installed the 2 4GB module but they don't seem to work with each other! I still get the 3 beep sound/long pause/3 beep sound

Can't remember where i found this:


1 beep = no RAM installed
2 beeps = incompatible RAM types
3 beeps = no good banks
4 beeps = no good boot images in the boot ROM (and/or bad sys config block)
5 beeps = processor is not usable


Thnx for the quick reply!
 

Wowamit

macrumors newbie
Aug 19, 2014
3
0
Found any solution?

@SweenyD24: did you find a solutions for your problem? I am facing a similar issue. Would appreciate any help you provide.
 

SweeneyD24

macrumors regular
Original poster
Feb 16, 2011
133
7
Mauritius
@SweenyD24: did you find a solutions for your problem? I am facing a similar issue. Would appreciate any help you provide.
I'm afraid not. The closest i could get to ram upgrade was 6GB.
I would suggest you to contact any local Apple Store and ask them. The best would be to go there directly, ask them to upgrade the ram on your MBP and see whether it's possible or not.
Unfortunately I don't have any Apple Store where i live.
 

T5BRICK

macrumors G3
Aug 3, 2006
8,103
2,098
Oregon
I had 2 x 4GB sticks of RAM installed in my 2009 MBP and it worked just fine. Was it a matched pair of RAM?
 

SweeneyD24

macrumors regular
Original poster
Feb 16, 2011
133
7
Mauritius
I had 2 x 4GB sticks of RAM installed in my 2009 MBP and it worked just fine. Was it a matched pair of RAM?
Yes. I tried several times with different pairs of sticks. Same result every time..thus the suggestion to consult an Apple Genius.
 

JoeMahmuh

macrumors newbie
Oct 23, 2014
1
0
I had 2 x 4GB sticks of RAM installed in my 2009 MBP and it worked just fine. Was it a matched pair of RAM?
Noob here. Sorry.

But I'm looking to upgrade to 8gb RAM on my MBP mid 2009.

My question is, how do I make sure the RAM I buy is compatible with my MBP?
 

BigBuns

macrumors newbie
Oct 24, 2014
16
0
North America, eh
Hey JoeMahmuh, you can use this Crucial site to find the compatible RAM upgrades for your MBP. There are other brands as well that make compatible RAM.
http://www.crucial.com/usa/en/apple-memory

I plugged in your computer model and it says
DDR3 PC3-8500 • CL=7 • Unbuffered • NON-ECC • DDR3-1066 • 1.35V

So if the RAM follows those specifications, it should work fine.
 
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