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<blockquote data-quote="JMC" data-source="post: 700725" data-attributes="member: 62807">Hi -I've installed 3GB into my Nov '06 white Macbook (earliest core 2 duo).&nbsp; (Reports on the net suggest you don't lose much performance by installing unequal chips, and although 3.3GB-ish is supposed to be usable on my model, the reported test results didn't suggest an extra 0.3GB would give any extra performance.)However, the installation instructions from Crucial (cheap, fast delivery, and they seem to work!) say put the biggest chip in bank 0 and the smallest in bank 1.&nbsp; I couldn't tell which bank was which so I put the 2GB into the left-hand side, when the laptop is upside-down and the battery compartment is nearest to you - the normal way you'd have it when inserting the chips.Good news - the computer says it recognises 3GB <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big grin&nbsp; &nbsp; :D" loading="lazy" data-shortname=":D" /> but it also says I've got the 2Gb in bank 1 <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek!&nbsp; &nbsp; :eek:" loading="lazy" data-shortname=":eek:" />&nbsp; .Does anyone know if this really matters?&nbsp; I feel lucky to have got it working at all and don't want to risk problems by further unnecessary fiddling!</blockquote>

[QUOTE="JMC, post: 700725, member: 62807"] Hi - I've installed 3GB into my Nov '06 white Macbook (earliest core 2 duo). (Reports on the net suggest you don't lose much performance by installing unequal chips, and although 3.3GB-ish is supposed to be usable on my model, the reported test results didn't suggest an extra 0.3GB would give any extra performance.) However, the installation instructions from Crucial (cheap, fast delivery, and they seem to work!) say put the biggest chip in bank 0 and the smallest in bank 1. I couldn't tell which bank was which so I put the 2GB into the left-hand side, when the laptop is upside-down and the battery compartment is nearest to you - the normal way you'd have it when inserting the chips. Good news - the computer says it recognises 3GB :D but it also says I've got the 2Gb in bank 1 :o . Does anyone know if this really matters? I feel lucky to have got it working at all and don't want to risk problems by further unnecessary fiddling! [/QUOTE]

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