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Windows 7: Problems with RAM?

07 Apr 2011   #1
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 
Problems with RAM?

Hi,

At work, I run several simulations that will (as far as I have been able to tell) use as much RAM as I can throw at it.

Currently, I have 12 x slots, of which 6 are taken up with 4GB chips giving me a total of 24GB RAM. At the moment, I can use the full RAM quota.

Problems with RAM?-capturex.png

I am considering upgrading to 12 x 8GB chips giving a total of 96GB RAM. This is on a WIndows 7 Professional x64 OS. Can anyone forsee any possible issues I might have with this much RAM on the system? I currently have two RAM cooler fans installed and running in the case.

Problems with RAM?-capturey.jpg

Regards,
Golden




My System SpecsSystem Spec
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07 Apr 2011   #2
Dwarf

Windows 8.1 Pro RTM x64
 
 

It all depends on the motherboard and the system as a whole. Although the 64-bit version of Windows 7 is capable of using this amount of RAM, the board also has to support this amount. Given that a memory module typically consumes ~5W of power and that you are currently using 6 out of 12 slots, that equates to ~30W. Populating the other slots would take this figure to ~60W. Assuming that your PSU can handle this, there is another potential issue - this being timing and RAM frequency. In some cases, a board may be fully populated with RAM, but can only run a full quota at a lower frequency than it can if it was only partially populated.

I'm not sure if this would relate to the system in question, given that it is just a few general points and that the system probably uses a motherboard designed for use in a server. My best advice would be to consult with any manuals for the motherboard, and to see what other users in the same/similar situation have experienced.
My System SpecsSystem Spec
07 Apr 2011   #3
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Thanks Dwarf.

I'll have to check in with HP since these were custom built by them...here is as much detail as Speccy can get about the RAM and MOBO. The CPU is 1,100W but I can't tell what make....as you can see its a long beast (again I think its custom built).

Interestingly, Speccy reports 13 slots and 7 used, but its definately 12 slots and 6 used.

Regards,
Golden


Attached Thumbnails
Problems with RAM?-.jpg   Problems with RAM?-b.jpg  
My System SpecsSystem Spec
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07 Apr 2011   #4
Jacee
Microsoft MVP

Windows 7 Ultimate 32bit SP1
 
 

Quote:
The CPU is 1,100W but I can't tell what make
See if Belarc Advisor gives you that information
My System SpecsSystem Spec
07 Apr 2011   #5
Jaime74656

Windows 10 64bit Ultimate
 
 

what is the model of the computer your using? i assume since its so massive its intended to be used as a server?
My System SpecsSystem Spec
13 Apr 2011   #6
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Hi Jamie,

Its a HP z800 Workstation.

Have yet to throw Belarc at it, but will give thta go shortly.

Regards,
Golden
My System SpecsSystem Spec
13 Apr 2011   #7
stormy13
Microsoft MVP

Win 7 Ultimate x64
 
 

http://h18000.www1.hp.com/products/q...a/13278_na.pdf - direct link to the specs for it.

Quote   Quote: Originally Posted by Golden View Post
I am considering upgrading to 12 x 8GB chips giving a total of 96GB RAM.
Hope work is paying for it,

Newegg.com - WINTEC 24GB (3 x 8GB) 240-Pin DDR3 SDRAM ECC Registered DDR3 1333 (PC3 10666) Server Memory Model 3SH13339R5-24GT

Don't think I would want too know what the price would be down under.
My System SpecsSystem Spec
13 Apr 2011   #8
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Ah great Stormy - thanks very much. I didn't even think to look for the specification link.

Got a quote for the RAM today : AUS$12,000 apparently will need to check it out further.....
My System SpecsSystem Spec
13 Apr 2011   #9
stormy13
Microsoft MVP

Win 7 Ultimate x64
 
 

$12,000!!!!!!!! I knew prices where higher in Australia, but that is insane.

Cripes be better to find an Ameri-friend and have then order and ship it to you.
My System SpecsSystem Spec
11 Sep 2011   #10
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Update.....I have managed to jack up this PC to 72GB RAM (I'll post a screencapture tommorrow). Still don't know if I can get the authority to ramp up 5 of them to 96GB.....the wheels turn slowly


Attached Thumbnails
Problems with RAM?-capturez.jpg  
My System SpecsSystem Spec
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