Hardware Reserved Ram P45 - C51

Hi Guys,
I have a Problem I have just upgraded to Win 8 actually i have 8GB of Ram.....but after installation windows is using just 3.5 and the rest is what it called "Hardware Reserved" I dont know what would be the reason....
Can some one please help me
Motherboard
core2quad inside
P45 - C51
Nvidia FeForce GT520

Quote from: squashy on 18-November-12, 13:57:11
One more question
My User Guide of Mother Board says "DUE TO RESOURCE DEPLOYMENT ,THE SYSTEM DENSITY WILL ONLY BE DETECTED UP 7+GB(NOT FULL 8GB) WHEN EACH DIMM IS INSTALLED WITH A 2 GB MEMORY MOUDULE"
i have 4 dimms and now it says that max is 8gb ...and i cannot keep directly 8gb ram in a single slot ...i have to keep 2+2+2+2 ...
So my max limit is 8 gb ....correct me if i am wrong guys ...
http://www.msi.com/product/mb/P45-C51.html#/?div=Detail
Supports four unbuffered DIMM of 1.5 Volt DDR3 800/1066/1333/1600*(OC) DRAM, 16GB Max
http://www.msi.com/file/test_report/TR10_1836.pdf
There are listed many 4 x 4GB DDR3-1333 supported modules.

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Hardware Reserved RAM

I have 8GB of RAM installed on my motherboard and Windows shows that half of it is "hardware reserved." My BIOS (Click 4) only reads half of the installed RAM amount. I have tried adding my friend's RAM to the system and the same thing happened again, half of the RAM was hardware reserved the BIOS only read half of the ram. I am sure that the RAM is good because it ran fine on my friend's computer.
I have tried everything that I have read online: flash the BIOS, rearrange the RAM in every configuration, trying each stick individually, unchecking the Max Memory box in advanced boot options in msconfig, ran Memtest, manually set RAM timings in BIOS, reseating the APU, wiped my HDD and reinstalled Windows
My rig: A10-5800K Trinity Quad Core 3.8GHz APU with Radeon (TM) HD Graphics
A88-G45 Gaming Motherboard (Click 4 BIOS version 1.60)
G.SKILL Ares Series 8GB (2 x 4GB) DDR3 1600
EVGA GTX 960 2GB (also tested this issue with an R7 250X)
EVGA 500W PSU
Windows 7 Professional SP1
I have read that this motherbaord chipset automatically detects APUs and dedicates RAM to that, but is it possible to bypass that feature so that all of my RAM is usable? Or maybe a way to disable the graphics driver on the APU? If this feature is not the problem, then what might it be?
Thank you ahead of time. Any suggestions would be greatly appreciated.

Is there any way to determine which part specifically is the issue? Like disabling the integrated graphics? I don't know if I can return the APU if it is the problem because I don't have the original packaging and it was purchased a few months ago.
Is there anything in the MSI BIOS that is similar to this at 1:56?
#t=116

Hardware Reserved

Hello Forum,
Please I want a help ..
I have a laptop lenovo b575e 2GB Ram .. (1.4 GB Usable Ram)
why hardware reserved 615 MB ??
How to remove hardware reserved ram ?
I tried msconfig not working ,,
Regedit not working ..
Please Help Me ..
Notice :
My windows is 7 ultimate 32 bit ..
My brother is samsung laptop 2 GB too windows 7 professional 32 bit but 0 MB hardware reserved ..

Dear Madorafik
Welcome in lenoov community
it will be better to install the 64bit copy to get all capacity activated .
Thanks
Alaa
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4358 Mb of my 8 Gb RAM are hardware reserved

I have HP Pavilion dv7-4102er. Bought in 2011. I was trying to fix this issue over last year, but didn't found any solution in the whole Internet. I'm shure it's not video card reserved RAM, because it has it's own 1 Gb of RAM, and integrated videochip have less than 1 Gb.
I payed for 8 Gb of RAM and what I get?
I got this:

ScienceD wrote:
As I thought. With 1 stick in bottom slot (top slot still not working at all, system didn't start with only 1 stick in it) hardware reserved memory is only 262 Mb, it's totally normal amount, i think (maybe integrated videochip using it).
So, now we see, that top slot didn't work at all, BUT Windows still see it, and marking as "Hardware Reserved"... Damit mistery
Looks like a BIOS bug. Have you tried a hard reset??
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c01684768
Dv6-7000 /Full HD/Core i5-3360M/GF 650M/Corsair 8GB/Intel 7260AC/Samsung Pro 256GB
Testing - HP 15-p000
HP Touchpad provided by HP
Currently on Debian Wheeze
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RAM limitation / Hardware Reserved

Been playing around with the 64bit win10TP and its great so far, except that in 'system properties' it says "Installed memory (RAM): 8.00 GB (3.20 GB usable)" is their a limit of ~4GB in the x64 TP, why is it showing this?
using amd A10 cpu, mobo supports up to 16GB (more details on request, if needed), cmd reports windows version 6.4.9841

Hi cracksman,
Hardware Reserved Memory that is reserved for use by the BIOS and some drivers for other peripherals.
In your situation, the problem may occur because the system BIOS is outdated or incompatibility issue. If you have an older computer, the system may be unable to access all the installed RAM. In this case, you have to update the system BIOS to the latest
version.
To update the BIOS on your computer, visit the Web site of your computer manufacturer to download the BIOS update. Or, contact your computer manufacturer for help.
Alex Zhao
TechNet Community Support

Windows 7 hardware reserved memory way too much!

hi guys,
i've never had this problem before, my windows 7 used to utilize all my ram, since my hdd crashed and i got a new one i bought extra ram, my motherboard can support up to 16gb ram unbuffered, i have a 64bit windows, i updated my bios, yet my windows still
uses only 4gb of my 12gb ram, and i found that the memory reserved for hardware is an astonishing 8gb, i followed all the guidelines i could find on the forums and still can't fix it, i saw that others encountered this problem asswell, how can i fix this?
any pointers or solutions out there? would installing an older version of windows perhaps solve this problem? like xp pro? thanks in advance
ruan

Hi,
The Hardware Reserved memory is reserved for use by the BIOS and some drivers for other peripherals. Therefore, I suggest updating BIOS and all possible devices' driver
from manufacture's site.
I would like you to know the Hardware Reserved memory mostly depends on hardware.
For more information:
Pushing the Limits of Windows: Physical Memory
http://blogs.technet.com/b/markrussinovich/archive/2008/07/21/3092070.aspx
http://support.microsoft.com/kb/978610/en-us
Best Regards,
Niki
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Hardware reserved memory in Windows Server 2008 R2 x64

I have 162 GB of memory installed in my Windows Server 2008 R2 64-bit server. However, it is showing 32GB is hardware reserved. I've reseated the memory chips to no avail. Any suggestions on what I could do to be able to use the 32GB
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Hi Everyone,
I realise this is an old thread however while searching for a solution to my problem related to memory being hardware reserved this thread continually popped up in my search results so this
seemed a good a place as any to post my answer.
I lost a whole day's production at my company so would have loved to find the answer quickly.
Firstly I am running Windows 2008 R2 SP1 Enterprise Edition
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The following morning I was notified that no one could connect to any of the VM's that normally run on this machine.
Further inspection showed they were all stopped and that only 4GB of RAM was available to the host operation system, shown in Task Manager. Resource Monitor showed that all remaining RAM (~94GB) was listed as "Hardware Reserved"
I don't think it would have mattered how much RAM I had. All but 4GB would have been reserved.
After many hours on the phone with my Hardware Vendor and with Microsoft (paid support call) Microsoft recommended that I remove my License Key and Reinstall it again then reactivate.
Note: Not a single indication anywhere that my server was not activated or licensed correctly.
Actually no error messages of any significance at all.
Surprise, Surprise this solved the problem. I had found absolutely nothing about this problem anywhere on the net.
The Microsoft technician said there were other cases of this problem on their internal database.
The steps to remove and reinstall the license key are listed in the following article
KB FF793433 (for some reason I can't post the link)
The actual steps performed on my server were
slmgr /upk (uninstall product key)
slmgr /cpky (clear registry setting)
slmgr /ipk xxxxx-xxxxxx-xxxxxx-xxxxx-xxxxx (Your Product key goes here, dashes included)
slmgr /rilc (re install liencecse file)
slmgr /ato (automatic updates)
Reboot the Machine
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Hey guys,i got a problem with my MB P45-C51.
I'm using a Q8300 processor on my MB,maybe this is a wrong thing,too...
I recently installed 2x1gb Team Elite 1333 mhz ram,along with my older kingston ram 2x1gb 1333mhz.
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Thx!

Hardware Reserved Memory windows 8.32bit

Hello All,
in windows 8 32-bit system showing 0.99 GB RAM
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help to to resolved this issue. for using full Memory.
thanks, prashant chalke

Hello, Thanks for reply.
Here is the snapshot of
Resource Monitor.
and i also uncheck
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msconfig->boot tab ->advanced options.
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Thats all information. as per you required.
thanks, prashant chalke

Hardware Reserved Memory НР G62-b16st

Hi,
My Resource Monitor is showing that Windows uses 587Mb of my RAM Memory as a Hardware Reserved Memory. I guess that this is due to the internal video card. However, this model has an additional ATI video card with a 1GB of dedicated memory. So I think that allowing the on-board video card to consume almost 600Mb of my RAM is a waste because I do not use it. How can I reduce the amount of this reseerved memory? I checked the BIOS and it does not have this option.
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64-bit operating systems handle memory more efficiently than 32-bit systems. It is the nature of the beast.
If you have access to a 32-bit OS and the same OS in 64-bit flavor just run benchmarks (Dhrystone ALU, Whetstone and others) and you will see the difference in the numbers.
The downside of a 64-bit Windows OS is that it can be very difficult to find device drivers, especially for legacy devices.
Best regards,
erico
****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer

Hardware Reserved Memory

Hi
We have a DL580 G7 server, recently we add up some memory to this server. now it has 512 GB RAM
but in task manager it shows 384 GB useable and 128 GB is hardware reserved
what is the hardware reserved and how can I use this 128 GB ?
OS is Windows 2012 Standard x64

I see you have asked the same question at HP forums, and have had a response there from HP staff, probably you will have to follow the guidance from that forum, which has supplied the hardware-specific guidance you need:
http://h30499.www3.hp.com/t5/ProLiant-Servers-ML-DL-SL/DL-580-G7-Hardware-Reserved-Memory/td-p/6718204
Don
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This helps the community, keeps the forums tidy, and recognises useful contributions. Thanks!)

HP 2000 Notebook CP - Hardware Reserved Memory

Hi,
I just purhcased a 4GB memory module and installed it in the second slot of my HP 2000 Notebook PC, on top of the factory installed 4GB memory module per the User Guide installed with the system.
I am running Windows 8.1 64-bit.
My bios registers 8GB, but Task Manager reports only 3.6 GB of useable memory and 4.4 GB Hardware reserved memory.
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We need the complete model number. The HP 2000 covers a bit of territory. Some of the models have motherboards with soldered-on CPUs which are not upgradeable, and others are socketed and could be upgraded to an i5 at the top end I believe. Some are Intel and some are AMD. I believe all will take at least 8 gigs of RAM and some may take 16.

P45-C51 mobo. Mouse and Keyboard freezes frequently. Please Help !!!

Hi everyone. I just bought P45-C51 mobo a week ago. It was working fine then since yesterday and then frequently today I'm facing a real problem. I'm using Windows 7 Ultimate 64bit. Whenever I start my computer and it reaches the desktop, after a couple of minutes the mouse and keyboard stops responding but the windows is not hanged as I can simply press the power button and it normally shuts down within 5 to 10 seconds. I checked it both with USB and PS2 version of the keyboard but both seems to freeze. I first thought it was something in windows but i think its something from the bios because when i turned my pc ON and went to the bios then there after 5 minutes the keyboard was frozen but the bios was normal as i could see the seconds change on the system information screen. Can anyone please point me in the right direction what could be the cause of this problem. All the specs are as follows.
Mobo: MSI P45-C51 (MS-7519)
Processor: Core 2 Quad Q8400
RAM: Corsair Vengeance 8gb kit 1600Mhz (4x2)
GPU: EVGA GeForce GT 240 DDR3 1GB
PSU: Cooler Master Extreme Power 460 Watt
Casing: Cooler Master Elite 334 Nvidia Edition
HD Primary: WD2500AAKX 250GB
HD Storage: WD10EARS 1TB
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Cooler: So far none. I'm on air cooling. One CPU fan and two chassis fans.
Temps for CPU are under 40 degrees.
Please help anyone...

Quote from: Bernhard on 21-September-11, 23:46:23
Inspect all your USB ports carefully for any visible damage inside the ports itself. Test if a USB device can be inserted smoothly into each one.
As a last resort, remove the MB and test on a non-conducting surface, and remember an anti static bag is not a non-conducting surface.
Have you started your system in safe mode to test the ports ?
Hi Bernhard, Sorry for the late response. This problem was something related to that board physically as I searched and dig inside the motherboard basics in deep I found out that the ICH10 Usb Host Controller was giving me problems or their might actually be some problem with the South Bridge because thats what controls the low power accessories like usb, IDE sata etc... and thats why the keyboard and mouse was hanging. There were some more issue too with that board like Slow boot and resuming from hibernate took about 3 minutes and when I press the power button for the cold power on it usually power on after 3 seconds and some times it happened if i properly shutdown and then again power on it won't turn on (LEDs and fans start but no power on to the system) So i would have to switch off the power supply, disconnect the power cord and then wait 5 minutes and then reconnect and it turn on then.
What i did was go to the shop from where I bought the mobo and told him all the problems and replaced my board with a new one because it was in warranty and bought only eleven days before.
Thanks alot Bernhard for so much your time you spent on helping me on this issue. The new board seems to work great and I can see very significant different in performance and speed.
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I really appreciate your help you have done so far.

Mainboard P45-C51 BIOS 5.1 : cant run Intel Q8300 CPU BSOD

Hej i have a Mainboard P45-C51 BIOS 5.1 cant get it to Run with a Intel Q8300 CPU please help..
I have tried 2 x Q8300 BSOD under Windows7 Installation. but with an old CPU Like Core2/6420 i works great.
dont think i have 2 broken Q8300 because there work in others motherboard from Gigabyte.
Kind regards THXMAN

Quote
But get BSOD from 2 brand new Q8300 just out of the box.
Any chance that there is a broken or bent socket pin that matters to the Q8300 more than to the E6240? Have you checked that yet?
Can you please have a look at the heatspreader of both Q8300s and write down the sSpec Number? There are two revisions of the Q8300. One with and one without Intel Virtualization Support. [SLGUR and SLB5W]
I don't know why, but there is no useful CPU Support List for your board (or any other board of that series for that matter). That is why it is impossible to check if the CPU is actually supported or not.
A look at the last generation of MS-7519-Board reveals that the CPU Support List does not have any of the two Q8300-CPUs in it. So this may be a simply no-support issue which has nothing to do with broken components (as you said, it is rather unlikely to get two different broken CPU exemplars).
What you can do is to contact MSI Support and ask what could be going on here:
http://support.msi.com/
They may provide you with a newer BIOS-Revision to try your luck with (the latest BETA Release I know of is A7519IMS.524 (v5.2b4)).

P45-C51 and E5700

Hi everybody!
I recently mounted a P45-C51 mobo with a Pentium Dual-Core E5700. The system seems to work fine (now I'm using WinXP until I finish the backup of some files. Then, I'm going to format and install Win7) with factory BIOS version (5.1), but I don't know if APS (Active Phase Switch) is working in right way. It's enabled in the BIOS setup, but the three LEDs are always on (3 phase) like when APS is disabled. It doesn't matter if the computer is doing nothing or at full load.
Only twice I saw them blinking quickly, the first times I booted up, in the transition between the Windows "loading bar" screen and the logon one.
Is it normal? If not, should I perform a BIOS upgrade?
Thanks in advance.

Ok. I upgraded the BIOS and seems to boot faster. And I discovered the APS works on Windows 7 but not on XP.
Thanks for your inattention

Hardware Reserved Ram P45 - C51

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