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Memory remapping freezes Windows 7 RC

Last response: in Windows 7
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July 26, 2009 7:33:22 PM

I am having problems getting all my memory to show up.
If i run memory remapping disabled, bios reports 2.5 gig out of the 4 that is installed.
memory remapping enabled I get 4 of 4 gig reported in bios but.... Windows 7 rc x64 will not load. It gets to the starting windows screen and that's it.

This is what is reported by sys info:

OS Name Microsoft Windows 7 Ultimate
Version 6.1.7100 Build 7100
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Manufacturer System manufacturer
System Model System Product Name
System Type x64-based PC
Processor Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2394 Mhz, 4 Core(s), 4 Logical Processor(s)
BIOS Version/Date American Megatrends Inc. 1008, 10/21/2008
SMBIOS Version 2.4
Windows Directory C:\Windows
System Directory C:\Windows\system32
Boot Device \Device\HarddiskVolume1
Locale United States
Hardware Abstraction Layer Version = "6.1.7100.0"
Time Zone Eastern Daylight Time
Installed Physical Memory (RAM) 4.00 GB
Total Physical Memory 2.50 GB
Available Physical Memory 1.61 GB
Total Virtual Memory 5.00 GB
Available Virtual Memory 3.91 GB
Page File Space 2.50 GB
Page File C:\pagefile.sys

The memory has been tested and everything is fine there: Corsair 2x2gig
the video card is a gforce 8400 gt 512
a b $ Windows 7
July 26, 2009 8:37:19 PM

Did you have it enabled when you installed Windows? If not, I'd suggest reinstalling it with the remap enabled.
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July 26, 2009 9:10:16 PM

Ok. tried that, it goes through "loading Windows files" then to "Starting Windows" then hangs.
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Related resources
a b $ Windows 7
a b } Memory
July 26, 2009 10:07:08 PM

What board? Do you have the option of remapping for hardware or software?
If you have both options, enable only software.
Bump the voltage slightly.
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July 26, 2009 10:26:34 PM

it is memorymremapping in bios and I only have enable/disable so I would assume it is hardware
Asus P5B-VM SE
not sure about bumpping up the voltage, need more input :) 
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July 26, 2009 11:54:49 PM

Doh... Am I missing something here, or are you expecting a 32 bit OS to see 4GB memory? Brain must be slow this AM... Guess I need another coffee.

(Download and install the 64bit win 7 RC, problem solved.)

Nah... Screw the coffee, I'll have another beer.
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July 27, 2009 1:03:32 AM

yes you missed it in the sys info

System Type x64-based PC

win rc 7
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July 27, 2009 2:07:30 AM

cjdutil said:
yes you missed it in the sys info

System Type x64-based PC

win rc 7


Start > control panel > system... Should have a line that says system type: 64 bit operating system.

The memory remap function was originally included for some versions of OS2, and some earlier versions of NT 3.5X. Should not be required in present OS's, and indeed may impair functions by not allowing the OS to properly map RAM.

However, your description looks suspiciously like you have a 32 bit version of Win 7 installed.

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July 27, 2009 3:11:31 AM

Ok here it is, I don't believe that this is a OS problem because BIOS is reporting only 2.5 gig, Windows says 4 gig installed and 2.5 gig usable because BIOS reports that only 2.5 is usable. That's why I was turning memory remapping on. then the bios would read all 4 gigs, and that worked but windows would hang on startup.


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July 27, 2009 3:42:41 AM

Hmmm... Curious. Do you have access to Vista x64? If so, try that. Same problem, then BIOS / MB related, IMO. Either way, this needs to be sent to MS via the 'feedback' link. 'Start > control panel > AllControlpanelItems >Action Center then the bottom and click on troubleshooting. It is still a beta, now is the time to get these 'gotchas' out of the way.
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July 27, 2009 3:45:10 AM

i don't have vista x64 but do have xp pro x64 do you think that would work for testing?
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July 27, 2009 4:06:36 AM

cjdutil said:
i don't have vista x64 but do have xp pro x64 do you think that would work for testing?


Should do, but I cannot repeat your config as I only have XP 32 Pro. I still think that you should report this issue to MS, via the feedback link. that I gave to you prior. You might also prowl the MSDN knowledge base for other people's issues with your similar setup.

I CAN verify that this looks very like issues that I have seen with with various versions of Vista x32, (alpha through retail) as well as Win 7 beta and RC, 32 bit. I've never seen this issue as described on a 64 bit version of any of the above, nor have I seen any postings on MSDN that would indicate to me that this was an issue. But I do not have a setup similar to yours...

You have my curiosity piqued, please this thread updated.
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July 27, 2009 4:34:49 AM

update: I do have a copy of vista Buisness x64 tried installing with memory remapping enabled and bios reporting 4 gig memory....install locked up right after loading windows files.
memory remapping disabled it installed but BIOS and windows reports 2.5 gig
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a b $ Windows 7
July 27, 2009 6:00:31 AM

Try updating your BIOS.
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July 27, 2009 9:36:41 AM

"The memory remapping feature allows for the segment of system memory that was previously overwritten by the Peripheral Component Interconnect (PCI) configuration space to be remapped above the 4 GB address line."

Got this from: http://support.microsoft.com/kb/929605
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July 27, 2009 12:56:16 PM

BIOS Version/Date American Megatrends Inc. 1008, 10/21/2008

newest Bios update from asus already been done.
also did a report to MS waiting for reply....
and wrote to ASUS to see why it's being reported as 2.5 gig .... 1st response was to set memory remapping to enabled....that's what I did 1st and when windows froze on start-up ASUS said it was a MS issue.
I have another computer running Windows 7 rc x64 with 6 gig ram. 6 gig shows in BIOS and Windows System Properties ...no remapping involved.
I really believe it's a memory-mobo issue
I have rewritten to ASUS and am now waiting for a reply
I am almost ready to give up and buy another mobo.
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July 27, 2009 1:58:37 PM

croc said:
The memory remap function was originally included for some versions of OS2, and some earlier versions of NT 3.5X. Should not be required in present OS's, and indeed may impair functions by not allowing the OS to properly map RAM.


It is required no matter what OS you are running (as long as the OS supports memory above 4G). Old or new.
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July 27, 2009 3:07:20 PM

ok here's some more info:

4 GB of RAM on board (single- or double-channel) and graphics card enabled
(memory remap OFF)

-POST shows 2560 MB of RAM
-memtest works fine...but, of course, not all of the RAM is detected.

4 GB + 8500GTX (memory remap ON)

-POST shows 4608 MB (which appears to be main memory + GPU memory)
-memtest freezes when it tries to test beyond 4096 MB (well, obviously: there *is* only 4GB there, but the BIOS sees extra...)

4 GB, using integrated graphics (memory remap ON)

-POST shows 4088 MB (correct amount: 4GB minus what integrated graphics uses)
-memtest works

2 GB (one DIMM) + 8500GTX (memory remap ON or OFF)

-POST shows 2048 MB (precisely the right amount)
-memtest works
--------

So there we have it. With 4GB and a graphics card installed, the board gets confused and sees memory that isn't there (even with latest BIOS), but without the GPU or with less memory, everything's perfect.

The trouble is, of course, that I don't want to lose 2 GB of memory or the GPU, since this machine's going to be used for a lot of 3D animation.



Now I have removed my 8500 gtx oc video card and enabled remapping.
BIOS reads 4 gig of ram
everything is good
Now I will go dig out some different ...but unfortunatly smaller..... video cards and see what happens.
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a b $ Windows 7
a b } Memory
July 27, 2009 3:50:49 PM

cjdutil said:
I am having problems getting all my memory to show up.
If i run memory remapping disabled, bios reports 2.5 gig out of the 4 that is installed.
memory remapping enabled I get 4 of 4 gig reported in bios but.... Windows 7 rc x64 will not load. It gets to the starting windows screen and that's it.

This is what is reported by sys info:

OS Name Microsoft Windows 7 Ultimate
Version 6.1.7100 Build 7100
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Manufacturer System manufacturer
System Model System Product Name
System Type x64-based PC
Processor Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2394 Mhz, 4 Core(s), 4 Logical Processor(s)
BIOS Version/Date American Megatrends Inc. 1008, 10/21/2008
SMBIOS Version 2.4
Windows Directory C:\Windows
System Directory C:\Windows\system32
Boot Device \Device\HarddiskVolume1
Locale United States
Hardware Abstraction Layer Version = "6.1.7100.0"
Time Zone Eastern Daylight Time
Installed Physical Memory (RAM) 4.00 GB
Total Physical Memory 2.50 GB
Available Physical Memory 1.61 GB
Total Virtual Memory 5.00 GB
Available Virtual Memory 3.91 GB
Page File Space 2.50 GB
Page File C:\pagefile.sys

The memory has been tested and everything is fine there: Corsair 2x2gig
the video card is a gforce 8400 gt 512


LIke others have suggested, consider updating the BIOS to latest version. Your Mb has onboard video. In BIOS, disable memory allocation for onboard video if onboard is not in use. System memory is used as onboard video memory. BIOS has adjustments as to how much including the option to disable memory dedicated to onboard video.
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July 27, 2009 4:50:47 PM

I have the latest BIOS version I said that on my 1st post......... and post #15
I have checked multiple times to make sure. that was one of the 1st things I did.
there is no option in BIOS to disable memory allocation for onboard video. In the BIOS the options for onboard video are grayed out when PCIe card in installed.
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a b $ Windows 7
a b } Memory
July 27, 2009 4:58:39 PM

Sounds like the system is a prebuilt, DELL, HP, etc. The BIOS should not be grayed out. Like someone suggested, try Vista 64 if available.
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July 27, 2009 5:47:43 PM

this is not a prebuilt. I built this system. the BIOS grays out the option only when a PCIe video card is pluged in. If no card then I have some options for onboard video. There is no option to turn off on board video.

Vista x64 issue:
I replied right after the post you are referencing and said that I had vista buisness x64 and was having the same results.

This is clearly a motherboard issue and not a OS issue.
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September 5, 2009 11:25:54 AM

I have simler system with auss P5w and q6600 and 8800gtx and 8 gig but i only see 3.25 gig with out 8gig

jeni
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October 12, 2009 10:22:16 AM

My system - P5B, Intel Q660, Nvidia 9500 and 1GB x2 + 2GB x 2 got same problem on Windows 7 64 bit, but not Vista 64 bit (too frustrating on it, so I go back to XP before,,,,)

lasted BIOS was upgraded, many combinations of BIOS setting were tried.... no improvement

I think we need to buy a new mobo to save display card and memory... hate ASUS
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Anonymous
a b $ Windows 7
a b } Memory
October 17, 2009 3:07:11 AM

Completely answered my question about memory allocation. My mobo is the same with the exact same results. 4G skill dual ch. using 2500 0r 2.5G on a P5B VMSE board. However I heard that this board is not supported by RC 7. Just yet anyway. We may just have to wait for the updates and or use the win 7 X64 supported hardware as suggested by Mr. Gates and MS. Ever heard of PS2 having to use win 7 support ready device. Just another way for Mr. gates to force us to get devices that support his OS. Conspiracy Theory?! Who knows. I have a split drive for XP X32 and RC 7 and XP runs fine. We may get 4 more years out of XP before updates are deminished!
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a b $ Windows 7
October 17, 2009 5:21:24 AM

No... put the blame where it belongs... Asus. After all... I have a non-Asus board and I am having zero issues with Win 7 RC. Oh and by the way, the RC is not exactly the same as the final release product... so if this is truly a Windows issue, it should be fixed in the RTM build. Otherwise, it's an Asus issue.
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November 8, 2009 8:33:31 AM

Zoron said:
No... put the blame where it belongs... Asus. After all... I have a non-Asus board and I am having zero issues with Win 7 RC. Oh and by the way, the RC is not exactly the same as the final release product... so if this is truly a Windows issue, it should be fixed in the RTM build. Otherwise, it's an Asus issue.

My OS is Windows 7 professional 64bit, not RC any more....
Also Windows 7 setup cannot be launched while remapping is turned on, i.e. I have turn off remapping to install windows 7..I think is should be ASUS problem..
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November 15, 2009 4:14:41 PM

I was having the pretty same problems of you guys, but with one especially difference, I'm running my Intel Q6600 on a Intel mobo.
I had 2x2gb RAM installed, and I couldn't install Windows 7 x64 Professional, and my BIOS does not have any memory map option. I just removed one of the RAM and everything works fine.
In the website of Intel, there is a very long list of mobo that is not "compatible" with Windows 7. Of course, my mobo (Intel DP965LT) is on the list.

I think I really gonna have to change my mobo. And I don't really know who's the blamed after all...
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January 10, 2010 9:03:50 AM

Interesting...

Just recently I bumped into the same problem.

I've been running windows 7 x64 for a few weeks now with 6 GB RAM enabled. Before that I used Vista x64 for over a year, also recognizing the full 6 GB if memory remapping was enabled.

Recently I found my pc not booting anymore. The win 7 logo appears and when the loading bar should appear my pc hangs. Even reset isn't possible at that point. Restoring default BIOS (with mem remap disabled) fixes this problem, but then win 7 says: 6 GB Ram found (only 3 GB usable)...

I'll guess I'll email both Asus and MS and ask what is going on here. The odd thing is that it DID work last week :S

Also my BIOS has a special setting that needs to be enabled if you are running Vista, would this also apply for 7?
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January 10, 2010 10:54:44 AM

Just an update:
I fixed after changing motherboard to MSI P45Platinum......
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