NEW RAM working?  Is there a test for it?

Hello, I have a G5 with dual 1.8GHz. It shipped with 1GB of RAM. I do a lot of music recording on my Mac and so I decided to upgrade to 2GB of RAM.
I purchased a 1GB kit PC3200 DDR (manufacturer part #STA-G5400/1BG) from Club Mac.
I installed the RAM per the directions and when I rebooted the computer, it shows that I have 2GB DDR SDRAM when I click on the "About this Mac" in the menu.
However, I cannot see ANY positive difference in performance. If anything, the computer seems to be hanging-up a bit more when opening apps such as the ones I use for music recording and/or video editing.
Is there a test that I can run on the computer to see if the RAM is working properly and at the proper speed?
Thank you!!

When installing RAM in a G5 it isn't always essential, but it can be a good idea to reset nvram while booted to the Open Firmware screen.
If the RAM you bought is "slow" Cas Latency than what you had, it could be running slower, but unlikely.
I would say 1.5GB is the 'sweet spot' for most needs and users.
Clearing out all the cache folders; cloning your system and then doing an erase and restore can help - superduper is one program worth investing in or there is CCC or even Apple DU Restore.
If your hdd is more than 60% full might want to look into another drive, or faster boot drive (10K 74GB Raptor - a newer and faster model similar to the 150GB Raptor is due "soon").
Applejack. Gets run in Single User Mode, usually after running fsck, and can be used to delete those swap files, check plists for corruption, and delete swap files. Reducing the size of the log files is also helpful. And that is just good general maintenance and housekeeping (and always have two backup sets to protect you).
With your G5, you have four RAM slots, max of 4GB, though you've used all the slots now (4 x 512).

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