RAM question

jonny-5 · jonny-5 #1 (**permalink**)

12-20-2010, 03:21 PM

I've recently upgraded to 8GB in my MBP which runs at 1066MHz - DDR3 SDRAM.

My wife has an older Macbook with 1GB (two 512MB SO-DIMMs) of 667MHz DDR2 SDRAM (PC2-5300) -

The specs on Apple.com says that it has two SO-DIMM slots and support up to 4GB.

Can I use my old 4GB in her machine?

s2odin · s2odin #2 (**permalink**)

12-20-2010, 03:28 PM

No, RAM is not backwards or forwards compatible.

You would have to buy her a new 4gb kit of DDR2 667 RAM.

s2odin #2 (permalink)
Member Since: Oct 23, 2010 Posts: 836 Mac Specs: C2D 2.26 \| 500GB Seagate Momentus \| 2GB 1066 (soon to be 8)	12-20-2010, 03:28 PM No, RAM is not backwards or forwards compatible. You would have to buy her a new 4gb kit of DDR2 667 RAM. USAF E-2. 1C6X1 - Space Systems Operations. 19 days until BMT. Upgrade your MBP HD Tritton AXPro FS
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jonny-5 #1 (permalink)
Member Since: Feb 02, 2010 Location: Lisbon, Maine Posts: 7 Mac Specs: 13' MBP - 2.53GHz C2D - 4Gb ddr3- 250Gb HD - OSX.6/ XP Pro (via boot camp)	12-20-2010, 03:21 PM I've recently upgraded to 8GB in my MBP which runs at 1066MHz - DDR3 SDRAM. My wife has an older Macbook with 1GB (two 512MB SO-DIMMs) of 667MHz DDR2 SDRAM (PC2-5300) - The specs on Apple.com says that it has two SO-DIMM slots and support up to 4GB. Can I use my old 4GB in her machine?
	QUOTE Thanks

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