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Utilization of 8 GB RAM for 3dsmax
show user profile  amitgedia
i have a 3GHz xeon with 4 GB RAM and now i just upgraded it to 8GB RAM but i think that the computer doesnt utilise the entire 8GB RAM for rendering purpose.. can anyone suggest what needs to be done to use entire 8GB.. do i have to upgrade my OS or do any other setting... by the way i am using winxp 64 bit and i have also turned on the 3GB switch setting.... any other suggestions
read 3223 times
3/11/2009 10:37:27 PM (last edit: 3/11/2009 10:37:27 PM)
show user profile  3Ddeath
Are you using 64bit 3dsmax install aswell?

Also, more than likely your render doesn't require more ram, the bottle neck is usually the CPU, the faster the cpu the faster the render, ram only matters when your computer is out of it and using swap space on your hard drive.


Portfolio Site
read 3203 times
3/12/2009 12:47:29 AM (last edit: 3/12/2009 12:47:29 AM)
show user profile  Westcoast13
Correct me if i'm wrong but, my understanding is that 64 bit windows will use the 8 gb. Putting the 3gb switch has no effect on 64 bit.


My Turbosquid Area

read 3202 times
3/12/2009 12:47:39 AM (last edit: 3/12/2009 12:47:39 AM)
show user profile  Dejitarujin
Not necessarily. I have 64-bit Vista and a 64-bit processor, but it'll only recognize 3.25GB RAM, even with a full 4GB (or more) in, due to chipset issues and lack of that 3GB switch.
~~~
Specialty: Non-organic modelling and effects.
Setup: 3D Studio 2010 with finalRender.
Rig: No, no I can't.
read 3195 times
3/12/2009 1:11:58 AM (last edit: 3/12/2009 1:11:58 AM)
show user profile  3Ddeath
Dejitarujin, I think thats something else, its a calulation accuarcy issue or some percentage is taken up for other stuff, vista is a hog. I dunno, but its something.

The limit is something like 128GB in vista xp I think, definitly can't be 4gb because 64 bit would be usless and thats the limit if you have vista 32 bit and somehow think you have vista 64bit :P

edit:http://msdn.microsoft.com/en-us/library/aa366778.aspx
OS memory limtis.


Portfolio Site
read 3181 times
3/12/2009 2:04:51 AM (last edit: 3/12/2009 2:07:45 AM)
show user profile  Westcoast13
I thought that ^^. But i don't know enough to argue. :)


My Turbosquid Area

read 3177 times
3/12/2009 2:05:58 AM (last edit: 3/12/2009 2:05:58 AM)
show user profile  TiMoN
yea remember to check if your motherboard supports more than 4gb..

I was recently about to upgrade to 6gb, but turns out my (not entirely new) motherboard only supports 4gb...

Check the manufacturers website.

(edit)
http://www.extremetech.com/article2/0,1697,2068721,00.asp how much RAM the different Vista versions support.
I was also under the impression that the 3gb switch was useless in a x64 environment, but havent really checked.

Terribly boring signature.
read 3176 times
3/12/2009 2:06:19 AM (last edit: 3/12/2009 2:09:41 AM)
show user profile  donvella
Dej: www.blackviper.com, good site to tweak vista to get the extra bang out of your ram, i watch mine constantly using (coolmon.exe) which shows your pc stats on the desktop, along with whatever notes you want to leave yoruself so you dont forget. after tweaking vista to the craphouse it still uses 1.2gb of ram to run the OS only. have fun tweaking.

- cant wait til windows 7, i read somewhere it uses 256mb of ram to run. woot



read 3168 times
3/12/2009 2:49:18 AM (last edit: 3/12/2009 2:50:10 AM)
show user profile  Dejitarujin
Guys, guys! Microsoft certified technician here :P My problem is indeed a motherboard issue - even in BIOS it has a 3.25GB limit. The board was falsely advertised as being able to use 4GB of RAM, as well as support newer Core 2 Duo/Quad processors. The reason it can do neither is because there are two very slightly different versions of the Intel 945 chipset, and apparently they didn't realize the board used the older one, with a 3.25GB RAM limit (which, I might add, shows up just fine in Vista - I've never had an OS take out what it uses to run when displaying memory). Had the board not been dirt cheap from eBay, I'd be pissed.

So, a 64-bit system with a 64-bit processor will not automatically use all the RAM you've got. Like every other aspect of computing power, it relies on a lot of different components working together. That said, if it shows a full 8GB within Vista, then it should take advantage of it all, if needed.
~~~
Specialty: Non-organic modelling and effects.
Setup: 3D Studio 2010 with finalRender.
Rig: No, no I can't.
read 3159 times
3/12/2009 3:10:17 AM (last edit: 3/12/2009 3:10:17 AM)
show user profile  Stephen R.
only 64 bit programs installed in a 64bit OS on a 64bit capable system will allocate more than 3.25gb of ram for their use. If you want max to use more than 3gb of ram, you will need the 64bit version of max. That is why all new games come with two executables, a 32 bit one, and a 64bit one, like Crysis for example.

32 bit max will NOT use more than 3.25gb of ram when rendering even in a 64bit OS.





read 3134 times
3/12/2009 6:19:29 AM (last edit: 3/12/2009 6:19:29 AM)
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