[WIN] RAM question / Vista support for RAM
Posted 13 April 2009 - 04:23 PM
Beyond that, my co-worker here in the IT cube farm told me that I need to upgrade to Vista 64-bit if I want to have more than 4 gigs of RAM. Is this true? I've found conflicting reports on the 'net about it.
The PC12800 RAM is bundled with my motherboard on Newegg, but I don't want to get slower RAM if I can grab some faster stuff for more. But - will I need to upgrade my Vista for $$$ just to use it?
Posted 13 April 2009 - 05:47 PM
Posted 13 April 2009 - 07:00 PM
You don't need to PAY to upgrade to 64-bit, you just need the media. Use the same key you have been using and call the telephone activation line, letting them know you moved to 64-bit, and they'll take care of it for you.
Posted 13 April 2009 - 10:22 PM
Unless you've changed hardware then you shouldn't even have to call the activation line. In fact, the past few times I have called due to a hardware change, it was entirely automated.
Posted 13 April 2009 - 11:08 PM
However, I am running a system builder OEM copy of 32 bit Vista. I do not think that I can use the same serial again, in fact, I almost am sure that I cannot.
So, about the RAM - is it worth it to spend the 200 extra dollars to get the PC15000 RAM? THe other PC12800 RAM is cheaper, and my co-worker says that it's not the speed that matters but the amount. I'm not so sure about that, though.
Posted 14 April 2009 - 01:46 AM
Yes, you can use it again with the same hardware. If you've changed out a lot of hardware then you may need to call the activation number in order to activate it again. There's no problem in doing that. I've done it a couple of times with OEM keys.
With your question about the memory speed, I suspect that in most cases you wouldn't see a noticeable difference between the two. But I really haven't done much research into DDR3 benchmarks, so I can't say for sure.
Posted 14 April 2009 - 03:28 AM
As for the OS, well, I'll call up the activation number and see if they can change my 32 bit OEM disc to a 64 bit copy. Thanks everyone!
Posted 15 April 2009 - 07:14 AM
Limits on memory and address space vary by platform, operating system, and by whether the IMAGE_FILE_LARGE_ADDRESS_AWARE value of the LOADED_IMAGE structure and 4-gigabyte tuning (4GT) are in use. IMAGE_FILE_LARGE_ADDRESS_AWARE is set or cleared by using the /LARGEADDRESSAWARE linker option.
Limits on physical memory for 32-bit platforms also depend on the Physical Address Extension (PAE), which allows 32-bit Windows systems to use more than 4 GB of physical memory.
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