I'm surprised that no one has ran a memory test to see if their ram is working properly. Just booting into windows doesn't cut it.
To make sure it is working ok, try running memtest86+, downwload the iso from www.memtest.org
and burn a cdr with it, then press the function key F12 when you boot to get the boot menu on the 9300, and boot the cd. The memory test starts automatically and loops continuously. Let it run overnight to be sure the ram is working well.
Link to download the iso cd image: I used nero to burn my cd.http://www.memtest.org/download/1.51...+-1.51.iso.zip
I bought some corsair 1gb and it booted and seemed to be working fine. I got a blue-screen on my xp a couple times, I wasn't sure it was the memory, but then I noticed it reported memory failure once when booting the pc during the power on memory test, so then I started to think maybe the blue-screen was from the ram. I ran memtest86+ and it found about ten memory locations with single and multiple bit failures, the addresses were eight bytes apart, not that it means anything, just noticed a pattern.
I sent it back and got another part, this one booted into windows and seemed to run fine, thought I was done. But when running memtest86+ just for kicks this time, it found one address that consistently had a single bit failure. If I didn't already find a problem with the first stick, I would have thought the second one was fine without looking further or running a memory test. Also with a failure this subtle, I'd probably never figure out what that occasional hung thread or infrequent corrupt file was from. So I sent the second one back also. This appeared to be more of a bad ram issue than compatibility, but I don't know more than that. I ran memtest86+ on the 256mb that came with the 9300 and there is never an error.
Here's the ram I bought.
VS1GSDS533D2 Corsair Value Select 1GB DDR2, PC2-4200, 128Mx64, non-ECC, 200 SODIMM, unbuffered, CL4
Can someone with the kingston, simple, trancend, etc. ram run memtest86 overnight and report your results? For that matter, I'd like to hear from anyone running memtest86, even the guys with genuine dell 1gb or 512mb parts, just to be sure...