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Vista not detecting 4GB of memory

post #1 of 22
Thread Starter 
I cant get Vista to detect my new 4GB of memory. (SIG and i have a 64 bit OS) also my bios doesnt want ot run it at 1066mhz when it should. the dividers only allow for 800mhz. How do i get my bios to read 1066mhz memory and Vista to show i have 4Gb of memory.
    
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post #2 of 22
I would recommend clearing CMOS first and see if that fixes the issue. I've seen it happen before when upgrading from 2Gb to 4Gb of ram.
post #3 of 22
You can try RAM remapping
post #4 of 22
Quote:
Originally Posted by OC'ing Noob View Post
You can try RAM remapping
Solved my problem with server 2008 not detecting all 4gb! i thought remapping should have been enabled by default but apparently not
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post #5 of 22
Thread Starter 
wheres remapping and ill do the CMOS reset when i have more time in my day.
    
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post #6 of 22
Sometimes you have to add each stick in one at a time, booting in between.

EDIT:
Quote:
4. HD4890 Sapphire 1GB (maybe 2)
What's a HD4890?
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post #7 of 22
Quote:
Originally Posted by r34p3rex View Post
Solved my problem with server 2008 not detecting all 4gb! i thought remapping should have been enabled by default but apparently not
Same, fortunatly thanks to my crawling about on OCN i knew what to do when i saw it only detected 3Gb of my shiny new ram.
post #8 of 22
in bios somewhere?
post #9 of 22
Just like to add if clearing cmos and the other remapping things dont work that you may have to reinstall the OS.

I had a issue where it would recognize above 3 gigs of ram and tried everything that was suggested both with the mobo and ram and with the OS.

Reinstalling seemed to fix the issue and I havnt encountered it since.
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post #10 of 22
i cant get my yahoo of a pc to boot with 4gb 1066 in dual, running set timings and vcores... i cant get it to boot video when in the dual phase. only in single phase will it boot and run.. still picks up 4gb but on one damn channel !!!

Any ideas there ppl, ? sorry to barge in on the post but it's still relevant to the topic.

Thank you in advance
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