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RDRam puzzle
I have a Dimension 8100 and it uses rdram. My OS is ME, don't know if that
matters. I bought some memory upgrade. I only had 128 MB, so I bought 512 MB. My question is, the 128 is 600-53 (nonECC). I'm guessing that means it runs at 600 Mhz. The 512 is PC800-45 (ECC). 800 Mhz I'm guessing. Should I leave the 128/4d nonECC 600-53 installed or will it slow down my 512/8 ECC PC800-45 too much? I don't think you're supposed to mix noECC with ECC either? (I meant to buy nonECC but musta picked the wrong one by mistake. I bought them online, so I really don't want to go thru the hassle of returning them if I can still use them without causing any harm. What's the best way I should configure this? |
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RDRam puzzle
What does the specifications for your machine say? Go to the Dell site
and punch in your asset tag number and read the documents and specifications for the RAM requirements. That 600-53 number seems a bit odd for a Dimension 8100, I would expect that it would be PC800-4x but I am by no means an expert on different Dell memory. You don't have to buy the memory from Dell at their inflated price but you should make sure that you have the right type of memory or else things might not work too well. I would expect your board to be an Intel 850 with a 400 MHz bus but it could also be a 533 MHz bus, verify with Dell. If your bus is 400 MHz I beleive that you can use PC800-40 or PC800-45 RDRAM, if your bus is 533MHz you can use PC800-40 RDRAM only, once again it is up to you to confirm this. Your motherboard has (or should have) 2 memory channels and RDRAM should be installed in pairs of matching size, speed and timing. If you do not have matching pairs you have to install continuity modules to fill the slots (CRIMM's). I don't think it's a good idea to mix RDRAM memory on the same board with ECC and non-ECC but if you do it should work but the ECC will be disabled. You should definitely not mix memory with different speed or timing. These sites have good search engines for Dell RAM or they have pretty good configuration tools that can scan your system and find what type of RAM you have or should have. The online scan tools usually need to be run with Internet Explorer, Firefox/Mozilla usually doesn't allow these things to run on their browser, a security thing... http://www.powerleap.com/ http://www.4allmemory.com/ http://www.upgradememory.com/ John idontno wrote: I have a Dimension 8100 and it uses rdram. My OS is ME, don't know if that matters. I bought some memory upgrade. I only had 128 MB, so I bought 512 MB. My question is, the 128 is 600-53 (nonECC). I'm guessing that means it runs at 600 Mhz. The 512 is PC800-45 (ECC). 800 Mhz I'm guessing. Should I leave the 128/4d nonECC 600-53 installed or will it slow down my 512/8 ECC PC800-45 too much? I don't think you're supposed to mix noECC with ECC either? (I meant to buy nonECC but musta picked the wrong one by mistake. I bought them online, so I really don't want to go thru the hassle of returning them if I can still use them without causing any harm. What's the best way I should configure this? |
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