Make sure it's Low Profile SO-DIMMs (about 1"). The Low Profile is important. 
Larger chips have traditionaly been made with two rows of chips on either side 
of the board, making a very tall chip (about 1-1/2") that will not fit properly 
in newer Powerbooks and iBooks. The 500Mhz iBook has either 64MB or 128MB of 
Ram in a proprietary slot on the motherboard and another slot where the user 
can add memory underneath the keyboard. Remove the keyboard and you will see a 
metal plate with two small screws in it (size 0 or 00). Remove the two screws. 
Remove the metal plate, and the chip slot is underneath. The memory chips are 
keyed, so they will only go in one way.

In the titanium, all you have to do is remove the keyboard, and the chips are 
right there. 

Max Memory for the 500mhz iBook is either 576MB or 640MB, depending on if yours 
came standard with 64MB or 128MB of RAM.

Hope this helps!

Bryan Forrest
Macintosh Specialist
LifeNet
http://www.lifenet.org


> 
> From: Henri Yandell <bayard at generationjava.com>
> Date: 2003/04/01 Tue PM 12:52:00 EST
> To: <macgroup at erdos.math.louisville.edu>
> Subject: MacGroup: Apple memory ibook/powerbook
> 
> 
> I have a 400mhz titanium powerbook 256 Meg. My wife has a 500mhz ibook 128
> Meg.
> 
> I want to buy a gig of memory [crucial have it for 120 dollars per 512]
> and then put my 256M into my wife's machine.
> 
> Looking on crucial, it seems to say that the ibook 500 and the powerbook
> 400 use the same type of memory, but it charges different prices so I'm
> not sure. Does anyone know if I can do this?
> 
> Also, I assume it's easy enough to fiddle with the memory in an apple
> laptop? ie) the same style of thing as an airport card installation.
> Powerbook gets unscrewed, ibook lifts the keyboard etc.
> 
> Thanks,
> 
> Hen
> 
> 
> 
> | The next meeting of the Louisville Computer Society will
> | be March 25. The LCS Web page is <http://www.kymac.org>.
> 



| The next meeting of the Louisville Computer Society will
| be March 25. The LCS Web page is <http://www.kymac.org>.


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