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Hi. There are 2 RAM chips/cards in my powerbook. I would like to speed things up. What can I change ? One chip says 256MB. The other is Smart SM564328578NW3R. Thanks. Update So if I install 2 new chips do I have to run OS9 and firmware to get things going ?

You currently have two 256 modules. You do not have to upgrade in pairs so you can remove one and add a 512 MB 3.3V 144 Pin SDRAM SODIMM (PC133) for 768 MB or replace both for 1 GB RAM. Here’s the chip you need: http://www.ramdirect.com/vcom/product_in… Here’s a 5400 RPM ATA hard drive that will also give you a boost: [linked product missing or disabled: IF107-046-1]

iFixit stocks all the RAM upgrades for your machine as well. [linked product missing or disabled: IF111-022-1] As long as iFixit is providing all these resources (funded by parts and tool sales), it’s nice to support them by linking to iFixit products when available, instead of off-site.

The Max RAM for this machine is 1GB, so you can upgrade the RAM, and a faster HDD, thats about all you can do on the hardware side. and im not sure if there are faster than 4200 rpm Pata drives for this machine.