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Old May 2nd, 2007, 02:05 PM   #1
 
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Macbook 1st gen: unmatched RAM & running slowly?

i had the dealer up my RAM when i bought my Macbook.

it runs very slowly (mostly internet has become slower and slower) and from what i understand, it may be due to unmatched RAM sticks.

i believe i have found how to determine this by looking at the Memory Slot info under About This Mac. it reads:
Bank 0/DIMM0: 1GB DDR2 SDRAM Speed 667 Mhz
Bank 1/DIMM1 256mb DDR2 SDRAM Speed 667 Mhz

so from this, i'm assuming i do indeed have one stick of 1GB and another stick of 256MB=unmatched.

1. any suggestions for where to buy a cheap stick of 1GB RAM or how much i should pay for it?

2. any suggestions why my system could be running so slowly besides having this unmatched RAM? i have the 1st generation macbook, 1.83.

Thanks!
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Old May 2nd, 2007, 02:49 PM   #2
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You can go with CanadaRAM, MacDoc, or Carbon, all associated in various ways with ehMac, or these, if they are nearby, for somewhat less:

canadacomputers.com , ncix.com , cty.com etc.

e.g.,

http://www.ncix.com/products/index.p...R&promoid=1030
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Last edited by HowEver; May 3rd, 2007 at 07:25 AM.
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Old May 2nd, 2007, 02:53 PM   #3
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I'm having trouble revising the above post--could barely post the above without receiving an error, took many tries. In any case, you get the idea, competitive RAM is priced around $52 to $55 for 1GB for the MacBook now. Be careful about return policies, tested RAM, etc.
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Old May 2nd, 2007, 03:02 PM   #4
 
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Quote:
Originally Posted by HowEver View Post
I'm having trouble revising the above post--could barely post the above without receiving an error, took many tries. In any case, you get the idea, competitive RAM is priced around $52 to $55 for 1GB for the MacBook now. Be careful about return policies, tested RAM, etc.
looks like Canada CTY Computers has a good deal. i'm really not familiar with buying RAM though...what do you mean by being careful about tested RAM? their RAM has both 1yr store and lifetime warranties so i should be safe, no?

to install it myself, do i simply unscrew the cover and stick it in or is there another trick? i haven't gone in there yet so i don't know and am leary about playing around it (i'm a paranoid mac user since i'm new).
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Old May 2nd, 2007, 03:41 PM   #5
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Quote:
Originally Posted by parksung View Post
looks like Canada CTY Computers has a good deal. i'm really not familiar with buying RAM though...what do you mean by being careful about tested RAM? their RAM has both 1yr store and lifetime warranties so i should be safe, no?

to install it myself, do i simply unscrew the cover and stick it in or is there another trick? i haven't gone in there yet so i don't know and am leary about playing around it (i'm a paranoid mac user since i'm new).
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Old May 2nd, 2007, 03:49 PM   #6
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Once you do this once, you'll be helping others right after. Changing MacBook RAM is not like changing RAM in many other computers, it's incredibly easy. Two minutes, perhaps.

Review the process here:

MacBook Disassembly: Installing RAM - MacBook Parts

MacBook Disassembly: Installing RAM - Removing Battery (page 1/2)

MacBook Disassembly: Installing RAM - Removing RAM (page 2/2)

That's it!



The only thing is that you might have to press to insert the RAM--push hard. You're supposed to.

Quote:
Originally Posted by parksung View Post
looks like Canada CTY Computers has a good deal. i'm really not familiar with buying RAM though...what do you mean by being careful about tested RAM? their RAM has both 1yr store and lifetime warranties so i should be safe, no?

to install it myself, do i simply unscrew the cover and stick it in or is there another trick? i haven't gone in there yet so i don't know and am leary about playing around it (i'm a paranoid mac user since i'm new).
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Old May 2nd, 2007, 10:48 PM   #7
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Be careful with screw driver choice too.....they strip easily - especially the right hand one on the first gen MacBooks.



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Old May 2nd, 2007, 11:34 PM   #8
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HowEver, you're posting wrong links.. those refer to 240pin desktop ram.
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Old May 3rd, 2007, 02:47 AM   #9
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Just to address the first post: While it is possible that there is a defective RAM module in there, AND that having 2 GB (pair of matching 1 Gb) is the best way to go ...

I would not assume that non-matching RAM is the root cause of the machine slowing down. The difference between dual channel access and single channel is reckoned to be about 8%, give or take, in overall MacBook performance.

And that performance is not going to degrade over time - the RAM should be performing as good as the day it was installed, so you really should not be noticing it.

I think you need to troubleshoot for other OS, application or hardware issues, in addition to looking for more RAM.

HE: Competitive prices for the correct RAM in Canadian dollars is somewhat higher than that.
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Old May 3rd, 2007, 07:26 AM   #10
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Quote:
Originally Posted by kloan View Post
HowEver, you're posting wrong links.. those refer to 240pin desktop ram.
Sorry, you're right.

Here's a current sale:

http://www.ncix.com/products/index.p...R&promoid=1030

Corsair PC2-5300 1GB 1X1GB DDR2-667 200PIN SODIMM Memory
$49.99

From what I understand, though, peace of mind comes from dealing with CanadaRAM etc.
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