Now you have to consider this:
upper slot can accommodate either low or high profile lower slot can accommodate only low profile modules.
Moreover the memory controller chip in the WS can only address modules with a maximum number of 16 chips, and each chip can be of 128 megabit density (128 mbits x 16 = 2048 megabits, i.e. 2048 / 8 = 256 megabytes.
Ben
Just because Apple never fully tested 512 doesn't mean it can't be done. They haven't fully tested 512s so they just say 192 is the maximum because they don't want heaps of people asking for support if their 512 screws up.
On 01/04/2005, at 16:58, Laurent Daudelin wrote:
on 01/04/05 02:21, alienbill at [EMAIL PROTECTED] wrote:
I'm considering purchase of a Wallstreet 233mhz 12.1 inch screen. If purchased I'd want to upgrade the memory. On eBay I see 256mb dimms advertised for Wallstreet/Lombard. Also lowendmac gives its max as 512mb. BUT on the Apple site I see 192mb given as the max, 1 128 in the upper slot, and a 64mb in the lower. So I'm wondering why the discrepancy and who is right?
I think you can go up to 512MB in a Wallstreet. The Apple web site lists 192MB because at the time when the Wallstreet was introduced, the density of the memory chips didn't allow for greater than 192MB.
-Laurent.
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