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Old May 30th, 2011, 11:00 AM   #1
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Upgrading RAM in a Macbook (2010)

Hey guys,

I bought some RAM last week (Hyanix), which is used in Apple machines. My girlfriends white Macbook takes 1033 MHz RAM, and this RAM is 1333 but backwards compatible.

Basically, the problem is, if I put the 2 2GB 1333 sticks in, the Macbook beeps 1 every 3 seconds. If I have an original RAM, plus 1 stick, it works fine.

So it doesn't seem to be able to work without having the 1033 Mhz RAM...

So now her Macbook is upgraded to 3GB's instead of 2, but I'm left with a brand new Hyaniz 1333 2GB stick and Samsung 1GB 1066 stick...

Any idea how I could get this Macbook up to 4GB's without spending any more money?

Anyone willing to trade a 2GB 1066 stick for a 1333??
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Old May 30th, 2011, 11:24 AM   #2
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trade the 2 1333 sticks for 2 1066, which is whats supposed to be in there

faster RAM *should* just clock itself down, but it doesnt always happen. i have seen numerous instances where people put 800Mhz RAM in older model macbooks and it works but at 533Mhz for some weird reason. i have also seen people thinking "itll just downclock" and put 800mhz RAM in 2007 vintage imacs that simply wont boot and beep, much like what you are experiencing

moral of the story is stick to whats supposed to be in your machine and you'll generally be fine
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Old May 30th, 2011, 11:27 AM   #3
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I'd trade it if someone wants to do the trade. Unfortunately I got it from eBay, therefore can't really trade it.
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Old May 30th, 2011, 11:31 AM   #4
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well treat it as a life lesson then

you should be able to find someone to sell it too on craigslist or something that should allow you to offset most of the cost of buying the proper RAM
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Old May 30th, 2011, 11:56 AM   #5
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Yeah I guess I just may have to do that. I figured they would work since it's stated to be backwards compatible. My bad I'll try to sell then and if I can't I'll just leave it at 3GB then. She only uses her MacBook for word processing, Internet and music so she'll be ok.
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Old May 30th, 2011, 11:57 AM   #6
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Lots of RAM threads here on ehMac dating back many years.

Common theme; buy from CanadaRam. They have the knowledge and go the extra mile to prevent these issues and make things right on those rare occasions when problems do arise.
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Old May 30th, 2011, 12:39 PM   #7
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i heard that the real reason the rapture didnt happen last weekend was because canadaRAM wasn't quite ready to stop providing RAM to people

true story!
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Old May 30th, 2011, 12:55 PM   #8
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I've got 2 X 2gb sticks that came stock with my MacBook (2010) that I'd be willing to give up for cheap. ( I upgraded to 8gb with canadaRAM)

PM me if you're interested
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Old May 30th, 2011, 01:42 PM   #9
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If the white MacBook is a Penryn based model, they are VERY fussy and VERY specific on their RAM requirements as I found out from CanadaRAM for my cousins white MB.
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Old May 30th, 2011, 03:43 PM   #10
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The reason why the new RAM is working with one of your original modules is that the original module is providing the correct timing information in its SPD (Serial Presence Detect data), so the Mac sets its memory speeds based on the Apple module (the slower module).

For whatever reason, although 1333 modules are "supposed" to be able to clock down gracefully, either the SPDs of the particular modules are not written 100% correctly, or the Mac is being extra persnickety about not reading the lower speed SPD values and using them. So when they are installed together, the new modules do not register with the Mac as valid memory speeds. Some models of Mac are just difficult this way.
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