swallow Posted November 17, 2005 Share Posted November 17, 2005 I just bought Corsair VS1GB533D2. However, my iMac doesn't recognize it. Do I have bad menory module or is it not compatible with iMac (iSight)? According to Apple Support site, memory module should meet all of these criteria. PC2-4200 unbuffered nonparity 240-pin 533 MHz DDR2 SDRAM And following features are not supported. registered or buffered PLLs ECC parity EDO RAM Accoriding to Corsair product page, VS1GB533D2 is PC2-4200, 240-pin, 533 MHz DDR2 SDRAM. But all the others are not known. Can someone from Corsair please tell me if I bought iMac (iSight) compatible memory module? If it is then, I have bad module. I shell return it for same replacement module. If it is not then, I shell return it for different module. Thanks in advance for you help. Link to comment Share on other sites More sharing options...
Wired Posted November 17, 2005 Share Posted November 17, 2005 iSight is a web camera. It has nothing to do with memory. Which iMac do you have? Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted November 17, 2005 Corsair Employee Share Posted November 17, 2005 Have you tried using the corsair module all by itself? The Value Select models are not meant to be mixed with any other RAM besides other modules of the same part number. Please let us know if you tried that and what happened. Link to comment Share on other sites More sharing options...
Yellowbeard Posted November 17, 2005 Share Posted November 17, 2005 I don't see the iSight in the compatibility listing yet: http://www.corsairmemory.com/corsair/configurator_search.html However, based on what the other MACs run, it seems that module should work. Are you trying to run the Corsair module solo or are you adding it to existing system memory? If you are mixing the memory then that is likely your problem as you typically cannot mix different types of memory in that fashion. Also, does Apple recommending adding memory in pairs to your system? And, have you determined if your system will run a single stick of memory and added JUST the Corsair stick by itself? Mike. Link to comment Share on other sites More sharing options...
swallow Posted November 17, 2005 Author Share Posted November 17, 2005 iMac (iSight) is the newest iMac with iSight built-in. And it has only 1 memory slot. It may be too new to be in compatibility list as I didn't see new DualCore PowerMac listed either. It has 512MB on-board. May it be then on-board memory conflict with Value Select module? But I couldn't find any other PC2-4200 1GB module from Corsair. In that case I should look for other brand memory module. Link to comment Share on other sites More sharing options...
swallow Posted November 17, 2005 Author Share Posted November 17, 2005 It looks like this memory module is incompatible. I don't know if I missed it before or if they updated it recently, Corsair now have iMac (iSight) compatible memory module CMSS1GB-533. It's under iMac G5 2.1GHz 20". Man, it's nearly twice as expensive. Link to comment Share on other sites More sharing options...
Wired Posted November 17, 2005 Share Posted November 17, 2005 http://www.apple.com/imac/specs.html CMSS parts are built with a restricted bill of materials deemed to provide the best compatibility with OEM systems. As such, we often do not have the capability to use low cost material. Link to comment Share on other sites More sharing options...
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