ajdero Posted January 12, 2007 Share Posted January 12, 2007 I have 2 512 chips that came with my Dell Dimension 8300. I bought 2 Corsair 512 chips (400ms). When I istalled the chips, the system bios said memory was running at 333. I pulled out the Corsair chips, rebooted and the original Dell chip were at 400. I removed the 2 Dell mem sticks and installed the Corsairs alone. After reboot, bios read 400. I reinstalled the 2 Dell chip along with the 2 Corsair and rebooted. Back to 333!!! I swapped the locations but no change was seen. BTW, system always recognized the correct total memory, whether I had 2 or 4 chips installed. Corsair chips are D400 VS1GBKIT400. Did I buy the wrong chips? Is there a fix for this? Thanks. Link to comment Share on other sites More sharing options...
DerekT Posted January 12, 2007 Share Posted January 12, 2007 This is usually the case when you populate all four banks with DRAM. You often drop a speed. You still will do better with 2GB at 333Mhz vs 1GB at 400Mhz. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted January 12, 2007 Corsair Employees Share Posted January 12, 2007 That may be normal most OEM systems and many channel MB's will down clock the memory to DDR333 when you install more than 2 double sided modules. The fact that they will run at DDR400 with either set installed would suggest that. However, all of the modules should be matched if not that may cause this as well. Link to comment Share on other sites More sharing options...
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