I remember hearing about this a while ago. Doesnt XP only support 3gb max ram? If you want to run 4gb there might be a patch or update to make it work properly.<br />
Or was the problem with win2K?
It can only see and report that much RAM, however, it will use all 4GB IIRC.<br />
You can run some tests and check....run a 32m run of Super Pi with all 4 sticks and with only 3, see if the times differ.
yea, XP 32bit will only see 3.25 gigs, and it can only allocate 1gig to a single process. I.E. any single process application will not utilize more than 1 gig. so, for gaming, yer stuck a 1.<br />
There may be some benchmark apps that call and handle thier own memory addressing, but most apps do not. So, for gaming or graphics design or crap like that... the 32bit OS will restrict you.<br />
I noticed in your system info that you gave up on x64 ... may be worth giving a try again. <img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" /> It will use it all and allow the programs to use more than just 1 gig. An MMO I'm beta'ing actually uses about 2.75 gigs of memory according to my system monitor (!!!) so I certainly see the benifit from XP x64.
There is something you can do to UBER speed up your system. Decrease the windows pagefile, i think it is, and make it run 100% on ram! It may use 2gb or so, but the performance is sooo much better. Worth a shot?
mmm, yea update... 2gigs is the maximum addressable, there's a switch you can use in the boot.ini for windows that will allow for 3gigs addressable.<br />
<a href="http://www.microsoft.com/technet/prodtechnol/exchange/guides/E2k3Perf_ScalGuide/e834e9c7-708c-43bf-b877-e14ae443ecbf.mspx?mfr=true" target="_blank">How to Setup /3GB</a><br />
The article is for Windows Server 2003 but applies to XP as well. If you do more research on this, note that the /4GB stuff works only on server os's, and the /3GB works in XP and Server 2003.
Edit your boot.ini from My Computer-->Properties-->Startup and Recovery<br />
Change this line:<br />
multi(0)disk(0)rdisk(0)partition(1)\\WINNT="Micros oft Windows XP Professional" /fastdetect<br />
To this:<br />
multi(0)disk(0)rdisk(0)partition(1)\\WINNT="Micros oft Windows XP Professional" /fastdetect /PAE
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