mmc1234 Posted February 24, 2005 Share Posted February 24, 2005 Hi, Just sold of a gig and a half of VS DDR400, ;eaving me with one 512 DIM, I was gonna buy a Gig of DDR500 XMS. However now I'm stable as can be at 3.3 with that VS DDR400 512 DIMM. But I want a little bit more out of the Pressy... so WILL THE XMS DDR500 RUN IN TANDEM WITH THE VS DDR400??Say at an FSB of 225 or so... This may have been reponded to in another post but after a search couldn't find so please link if that's the case... thanks. P4 pressy 3.0 512 VS DDR400 600w PS 24A on +12V X800 Pro Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted February 24, 2005 Corsair Employee Share Posted February 24, 2005 No, you might not be able to post the system with miss-matched modules. With most MB's you would need to use modules that are exactly matched. Sorry! Link to comment Share on other sites More sharing options...
mmc1234 Posted February 24, 2005 Author Share Posted February 24, 2005 I'd heard that from a few friends. What if... BIOS MSI PT880 Latest version. Single Channel VS timings DDR433 XMS voltage? Think that'll maximise posting chances?? Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted February 24, 2005 Corsair Employee Share Posted February 24, 2005 Well the issue is not with the bios, this platform has the memory controller in the CPU and as such if the modules SPD's are not matched it sometimes will not be able to define the correct settings thus giving a No memory detected error. Link to comment Share on other sites More sharing options...
mmc1234 Posted February 24, 2005 Author Share Posted February 24, 2005 Ah I see. Good point thanks. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted February 24, 2005 Corsair Employee Share Posted February 24, 2005 No problem, please let us know how you make out! Link to comment Share on other sites More sharing options...
mmc1234 Posted March 2, 2005 Author Share Posted March 2, 2005 The system reconized both dims fine at by SPD and at VS Settings 3-3-3-6. I'll post the PCMark Scores later. And more info on the OC'ing.... After 2 days of tweaking I've manage to get a set of stable PCMark4 scores from the mismatched dims. You might think great, well, I was happy with some of the scores, all of which were higher with a 512 xms ddr500 dim. See the screen shot. Notice the memory score... real low. I decided to pull the VS and craigslist it and pick up another XMS, and a new mobo :laughing: http://3amfilms.com/3739pcmark3195.bmp That is unless anyone can think of a way to get those dims running better together... timings, voltages, etx. p4 3.0 @ 3.315 vcore 1.475v 512 DDR500 XMS - 221fsb -2.75v X800 Pro 506/452 Link to comment Share on other sites More sharing options...
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