sLiDeR Posted July 31, 2009 Posted July 31, 2009 Hi all, Just wondered if ya knew what the Maximum Windows 7 memory is allowed? I know XP & Vista is 4gig.
FN-GM Posted July 31, 2009 Posted July 31, 2009 I know XP & Vista is 4gig. Only in 32 bit, 64 will will allow you allot more This will tell you exactly what you need to know - [ame=http://en.wikipedia.org/wiki/Windows_7_editions]Windows 7 editions - Wikipedia, the free encyclopedia[/ame]
synaesthesia Posted July 31, 2009 Posted July 31, 2009 The same applies for both XP and Vista - the 64bit versions will allow a lot more - it's not to do with which windows you use, but the type of computer you buy them for. If you buy retail windows (vista or 7) you get both 32 and 64bit.
mac_shinobi Posted July 31, 2009 Posted July 31, 2009 The same applies for both XP and Vista - the 64bit versions will allow a lot more - it's not to do with which windows you use, but the type of computer you buy them for. If you buy retail windows (vista or 7) you get both 32 and 64bit. It is basically a combination between what the Operating System will allow ( dependant on if it has or uses PAE - physical address extension ) [ame=http://en.wikipedia.org/wiki/Physical_Address_Extension]Physical Address Extension - Wikipedia, the free encyclopedia[/ame] And also on the hardware - because if you only have 2 memory slots then you are limited to the maximum amount that the motherboard will support so if the motherboard will only support 1gb per memory slot then thats 2gb in total ( obviously if it supports 4gb per memory slot then that will be 8 gb in total )
IanT Posted July 31, 2009 Posted July 31, 2009 W7 32-bit will be 4Gb, when it comes to the 64-bit editions, the amount of memory that the OS can handle will depend on what W7 edition you have. Windows 7 64-bit Memory: * Starter: 8GB * Home Basic: 8GB * Home Premium: 16GB * Professional: 192GB * Enterprise: 192GB * Ultimate: 192GB
mac_shinobi Posted July 31, 2009 Posted July 31, 2009 W7 32-bit will be 4Gb, when it comes to the 64-bit editions, the amount of memory that the OS can handle will depend on what W7 edition you have. Windows 7 64-bit Memory: * Starter: 8GB * Home Basic: 8GB * Home Premium: 16GB * Professional: 192GB * Enterprise: 192GB * Ultimate: 192GB Unless im missing something ( not an impossible occurance ) but I have not seen a computer with 192gb of RAM
somabc Posted July 31, 2009 Posted July 31, 2009 The technology is here today! The Dell Precision T7500 has 12 RAM slots which can take upto 16GB each 12 x 16 = 192GB Precision T7500 Tower Workstation Desktop Computer
tmcd35 Posted July 31, 2009 Posted July 31, 2009 W7 32-bit will be 4Gb, when it comes to the 64-bit editions, the amount of memory that the OS can handle will depend on what W7 edition you have. Windows 7 64-bit Memory: * Starter: 8GB * Home Basic: 8GB * Home Premium: 16GB * Professional: 192GB * Enterprise: 192GB * Ultimate: 192GB These would be artificial limits set by M$. The AMD64 architecture has a 52bit address space which is 450Tb. A full 64bit address space is 16.8 million Tb See limitations here... 64-bit - Wikipedia, the free encyclopedia
mac_shinobi Posted July 31, 2009 Posted July 31, 2009 The technology is here today! The Dell Precision T7500 has 12 RAM slots which can take upto 16GB each 12 x 16 = 192GB Precision T7500 Tower Workstation Desktop Computer So where would you get a hold of 16gb memory modules as I have only seen crucial do up to 4gb per memory module ( 2 * 4gb memory modules ) which is an 8gb kit
IanT Posted July 31, 2009 Posted July 31, 2009 One of our clients is running a SQL box with 64Gb of RAM.
mac_shinobi Posted July 31, 2009 Posted July 31, 2009 One of our clients is running a SQL box with 64Gb of RAM. That's pretty cool
nicholab Posted July 31, 2009 Posted July 31, 2009 Both HP and Dell have server boxes that support 256GB of RAM I am guessing that IBM and Sun must do as well.
DrPerceptron Posted July 31, 2009 Posted July 31, 2009 I've never tried or looked into, never had a need, but I've seen quite a number of people on the internet proclaiming that by replacing certain files in Vista with files from Server 2008 (32bit supports more RAM than Desktop) that you can get Vista to address more than 4GB of RAM. I assume if that's possible, the same would apply to Win7 and 2008 R2 files?
mac_shinobi Posted July 31, 2009 Posted July 31, 2009 ive never looked into it either but looking on the buy it now page of that Dell T7500 they dont offer an option to get 192 gb of ram so not sure how you meant to do it ( ignoring the amount of money it will cost obviously ) I can upgrade to 32gb and thats more then enough for me
Arthur Posted July 31, 2009 Posted July 31, 2009 I've never tried or looked into, never had a need, but I've seen quite a number of people on the internet proclaiming that by replacing certain files in Vista with files from Server 2008 (32bit supports more RAM than Desktop) that you can get Vista to address more than 4GB of RAM. http://www.remkoweijnen.nl/blog/2009/06/23/patch-vistas-kernel-to-address-more-than-4-gb-of-memory/ No need to replace any files. The patch does it all for you.
somabc Posted July 31, 2009 Posted July 31, 2009 So where would you get a hold of 16gb memory modules as I have only seen crucial do up to 4gb per memory module ( 2 * 4gb memory modules ) which is an 8gb kit Here you go Hynix Demonstrates World's First 16 GB 2-Rank R-DIMM - X-bit labs http://www.tgdaily.com/images/slideshows/200808213/3.jpg Actually today was probably the most powerful workstation I have worked on yet - 16 Cores but only 12GB RAM
tmcd35 Posted July 31, 2009 Posted July 31, 2009 Here you go Hynix Demonstrates World's First 16 GB 2-Rank R-DIMM - X-bit labs Nice, but where can I buy one from? Tbh - I think 8Gb sticks are still an expensive rarity (although definitely commercially available). Actually today was probably the most powerful workstation I have worked on yet - 16 Cores but only 12GB RAM Not bad. The best I've used was at my last place. 3 ESX servers each with 8 Cores and 16Gb RAM. I currently have three servers which are 4-core/8-thread systems with 12Gb RAM. Actually can't currently address more than 4Gb on the servers (2k3 standard). The extra RAM is being fitted now ready for the imminent upgrade to 64bit 2k8r2 and Hyper-V
mbedford Posted July 31, 2009 Posted July 31, 2009 That screenshot is impressive. We currently have 5 Servers, Dual-Quad Core's with 32GB of RAM running our ESX farm and I thought that was good!
CyberNerd Posted July 31, 2009 Posted July 31, 2009 These would be artificial limits set by M$. The AMD64 architecture has a 52bit address space which is 450Tb. A full 64bit address space is 16.8 million Tb 640k ought to be enough for anybody....
tmcd35 Posted July 31, 2009 Posted July 31, 2009 640k ought to be enough for anybody.... Pah! A complete shoot-em up game in 63 lines of basic code - STAR FIGHT/SLR 1983 why would you need more than 1k? (actually I was trying to find an example of the infamous 1-liners of the time but couldn't find ought. You basically write an entire basic program with a single 255 character line of basic code).
john Posted July 31, 2009 Posted July 31, 2009 Kingston do have them I believe on a Custom Order as do Crucial but its very costly and I think its still only in ECC Registered Ram etc etc so its fairly high end magic stuff. I would also expect that Hypertech do it as a ram place
mac_shinobi Posted July 31, 2009 Posted July 31, 2009 Pah! A complete shoot-em up game in 63 lines of basic code - STAR FIGHT/SLR*1983 why would you need more than 1k? (actually I was trying to find an example of the infamous 1-liners of the time but couldn't find ought. You basically write an entire basic program with a single 255 character line of basic code). Nothing beats the product with a 3d graphics card .fr-08: .the .product - a demo in 63.5 kb
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