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10-05-2010, 08:50 AM
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#1 |
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Member (7 bit)
Join Date: Mar 2009
Location: Orlando, FL
Posts: 114
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RAM not 'useable' in windows
when windows boots up it says ram installed is 4 gb, but only 2 gb is useable
resmon says that 2gigs are "hardware reserved" there is no onboard gfx so none is reserved for that... i looked in bios and made sure that memory remapping was enabled.. i dont know what else to do cpu-z says on the memory tab: "channels #: single" does that mean it is in single channel mode? i have the two sticks in slots a1 and b1 as per the users guide.. is that incorrect? thanks for the help, let me know if you need any more information pictures:     
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10-05-2010, 08:59 AM
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#2 |
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Member (8 bit)
Join Date: May 2006
Location: San Diego, CA
Posts: 146
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What are you trying to accomplish? receive the other 2gigs?
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10-05-2010, 09:01 AM
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#3 |
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Member (9 bit)
Join Date: Aug 2009
Location: Conneaut, Ohio
Posts: 478
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whats the specific ram you are using?
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"Hacking is not just a skill, it's an attitude" The Rig: i7-870 - Asus p7p55d-e PRO - 4gb A-Data G-Series - 1TB WD Caviar Black Sata 6gb/s - 2x Asus GTX 460 in SLI - Corsair 850w Power - Antec 1200 case |
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10-05-2010, 09:02 AM
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#4 |
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Member (7 bit)
Join Date: Mar 2009
Location: Orlando, FL
Posts: 114
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i want to make sure that it is using all 4 gigs of ram i have installed... is this normal? why is it reserving 2 gigs for hardware?
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10-05-2010, 09:03 AM
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#5 |
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Member (8 bit)
Join Date: May 2006
Location: San Diego, CA
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yes it is normal...1 Gig is used for Windows 7
Last edited by Raiden619; 10-05-2010 at 09:07 AM. |
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10-05-2010, 09:21 AM
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#6 |
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Member (7 bit)
Join Date: Mar 2009
Location: Orlando, FL
Posts: 114
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Newegg.com - A-DATA 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Dual Channel Kit Desktop Memory Model AD3U1333B2G9-DRH
ok so one gig is used for windows 7, then why is it reserving 2 gigs for 'hardware'? |
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10-05-2010, 09:36 AM
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#7 |
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Member (8 bit)
Join Date: May 2006
Location: San Diego, CA
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Hardware Devices have a high priority than system programs.. the reserved RAM for hardware is to make sure there is fast access
Pushing the Limits of Windows: Physical Memory - Mark's Blog - Site Home - TechNet Blogs |
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10-05-2010, 09:43 AM
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#8 |
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Member (7 bit)
Join Date: Mar 2009
Location: Orlando, FL
Posts: 114
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i cant open that article for some reason... do you have a different link?
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10-05-2010, 09:57 AM
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#9 |
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Member (8 bit)
Join Date: May 2006
Location: San Diego, CA
Posts: 146
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I'll send in PM
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10-05-2010, 10:53 AM
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#10 |
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Member (7 bit)
Join Date: Mar 2009
Location: Orlando, FL
Posts: 114
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i read that article and it what i got out of it is that this should not be a problem on 64-bit systems and systems that have 4gb or less memory...
both of those are true for my system at this time (will be adding 4gb more of memory when the RMA comes back from newegg) if i misunderstood, please help explain to me |
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10-05-2010, 05:52 PM
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#11 |
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Member (9 bit)
Join Date: Aug 2009
Location: Conneaut, Ohio
Posts: 478
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there is no reason the ram should not be visible and useable in the OS. to the best of my knowledge, the only thing in a system that can reserve and hide ram from the system is onboard graphics, which he does not have.
windows 7 uses 1gb ram, this is true, but you will still see that ram in task manager. even i feel i may be at a loss for an explaination. |
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10-06-2010, 09:39 AM
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#12 | |
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Member (5 bit)
Join Date: May 2009
Location: Toronto, Canada
Posts: 19
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Quote:
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10-06-2010, 09:48 AM
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#13 |
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Techphile.
Join Date: Nov 2003
Location: San Francisco Bay
Posts: 5,959
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It is not possible to use all 4 gigs of RAM in a 32 bit OS.
A portion of your RAM will always be used by the OS. 32-bit and 64-bit Windows: frequently asked questions 64-bit Support - Windows 7 features - Microsoft Windows This will help explain what is happening.. http://support.microsoft.com/kb/2267427 Reading your motherboard manual will tell you with certainty where your DIMM's are supposed to go. You can tell if your computer is recognizing all your RAM by going to My Computer and clicking on System Properties
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10-06-2010, 09:53 AM
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#14 | |
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Member (7 bit)
Join Date: Mar 2009
Location: Orlando, FL
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Quote:
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10-06-2010, 12:07 PM
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#15 | |
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Member (7 bit)
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Location: Orlando, FL
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Quote:
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10-06-2010, 12:32 PM
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#16 |
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Member (8 bit)
Join Date: May 2006
Location: San Diego, CA
Posts: 146
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we can rule out 1 gig is used for Windows and the other gig for hardware...but no way to know for sure unless you post your complete specs..
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10-06-2010, 01:28 PM
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#17 |
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Member (7 bit)
Join Date: Mar 2009
Location: Orlando, FL
Posts: 114
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ASUS P7P55D-E PRO || Intel i7 870 Lynnfield 2.93 Ghz || A-DATA 8GB (4x2GB) DDR3 1333 || Corsair 650TX 650W || HIS Radeon HD 5850 || WD Caviar Black 1TB || LG Blu-Ray Optical || Antec 300
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10-06-2010, 05:22 PM
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#18 |
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Member (9 bit)
Join Date: Aug 2009
Location: Conneaut, Ohio
Posts: 478
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ok guys, i can tell alot of you have not studied the pictures, and might not fully understand what the issue is.
he has 4gb ram installed 64bit os detects all 4gb 2gb is labled 'hardware reserved' above statement leaves 2gb for the os and programs, leaving him crippled. |
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10-07-2010, 10:39 AM
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#19 |
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Member (7 bit)
Join Date: Mar 2009
Location: Orlando, FL
Posts: 114
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quite right nikon.. thanks. not exactly crippled as i havent tried to really do anything with this machine yet. want to get this memory issue sorted out first.
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10-07-2010, 10:55 AM
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#20 |
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Member (8 bit)
Join Date: May 2006
Location: San Diego, CA
Posts: 146
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MSCONFIG > Boot > Advanced Options
is 'Maximum memory' capped? whats your bios version? have you tried updating? try reseating your CPU as well Last edited by Raiden619; 10-07-2010 at 11:07 AM. |
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10-07-2010, 12:13 PM
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#21 |
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Member (7 bit)
Join Date: Mar 2009
Location: Orlando, FL
Posts: 114
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going to try to update the bios this afternoon. the only fix listed is that it wasnt detecting some optical drives, but maybe its something not listed
reseat the cpu? what, just take it out and reinstall it? |
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10-07-2010, 12:32 PM
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#22 |
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Member (8 bit)
Join Date: May 2006
Location: San Diego, CA
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10-07-2010, 07:40 PM
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#23 |
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Member (7 bit)
Join Date: Mar 2009
Location: Orlando, FL
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updated bios, no change... i really dont want to remove the whole motherboard to check for bent pins
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10-07-2010, 07:51 PM
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#24 |
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Member (7 bit)
Join Date: Mar 2009
Location: Orlando, FL
Posts: 114
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   thats what it does with one 2gb stick installed in slot a1 |
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10-07-2010, 07:53 PM
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#25 |
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Member (11 bit)
Join Date: Apr 2003
Location: Iowa
Posts: 1,652
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Have you tried swapping stick positions?
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10-08-2010, 10:20 AM
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#26 |
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Member (7 bit)
Join Date: Mar 2009
Location: Orlando, FL
Posts: 114
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i figured it out. ram wasn't properly seated. doh.
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