Random BSOD when using more than 1 stick of RAM - Toshiba L505-S5990

Greetings.
A friend's Toshiba Satellite L505-S5990 began having BSODs randomly - during boot, inside Windows, when shutting down etc. It also has problems turning on - I have to repeatedly press the power button. Sometimes these problems would not appear for days or weeks.
It has 2 sticks of Samsung branded RAMs, 1x2gb and 1x1gb - they seem identical except for the capacity (both bearing stickers marked PC2-6400s-666). I think these are the factory installed RAMs though I am not sure.
When I try to use either of the RAM sticks alone, placing either one at different slots, the BSOD problem seems to disappear. ((1)1x1gb on slot a, (2)1x1gb on slot b, (3)1x2gb on slot a, (4)1x2gb on slot b). When I put in both sticks on either slot, bsods appear.
Windows 7's built in Windows Memory Diagnostics found no problems with both sticks. I tested them one at a time. The HDD also gave no signs of problems when tested with chkdsk (/f /r) on another PC.
I reformatted the notebook and reinstalled Windows 7 32 bit using 1 stick of ram (the 1 gb I think). Still crashes when using both sticks.
Please help. Thanks in advance.
ps I am currently downloading updated bios and drivers to see if installing those would help.

Your support page is here - http://support.toshiba.com/support/modelHome?freeText=2439393
Your specs say that your laptop was configured with 3GB of RAM and it can have a maximum of 8GB.
Just to add:
I have a similar issue on my old Toshiba for approximately 3 years, it will only run with a maximum of 2GB of ram. Any more and the BSOD or just black screen. This issue was guessed to be some type of power issue by service tech. I purchased a new power supply and battery incase that may be the issue but no fix. Works for what I use it for.
S70-ABT2N22 Windows 7 Pro & 8.1Pro, C55-A5180 Windows 8.1****Click on White “Kudos” STAR to say thanks!****

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Hi Zsom,
Thanks for your answer
Let me explain more clearly.
My architecture is as follows: using JSF, Glassfish and ...SQL Server!! (! i know but this is mandatory requirement as our application is full web version of an existing ERP application already sold and installed by more than 1000 of our customers...
I am using
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Why do I get random BSOD when using Firefox with windows XP pro 32 bit? Seems to happen since system updates on 01/09/13.

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See:
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Hi,
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private int port;
private Thread internalThread;
private volatile boolean noStopRequested;
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private WorkerPool pool;
private ClientListener clientListener;
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Ok, found the solution here: http://forum.java.sun.com/thread.jsp?forum=31&thread=282069
"The select() method holds a lock on the selector that
the register() method wants to acquire. The register()
method cannot continue until the lock is relased and
the select() method will not release it until some key
is triggered. If this is the first key you're adding
then select has nothing that will wake it up, ever.
The result is, obviously, a deadlock.
The solution is to have a queue of pending connections.
You put your new connection in that queue. Then you
wake up the selector and let that thread go through
the queue, registering connections."

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Rainer,
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creating and releasing)?For each store, there is an underlying Database per entity class and per secondary key. And for each store there is a catalog database which is also kept in memory.
3.) What would you recommend? I have to do a lot of
secondary-index lookups which are restricted to one
account. There are about 10 Entity classes and about
1000 accounts. I recommend using a single store for best performance and resource utilization.
Mark

Mini Mac running Windows 7 won't use more than 2GB of RAM.

I used Bootcamp (newest version) to install Windows 7 Ultimate on my partitioned hard drive on my Mac Mini. The computer ahs 8GB of RAM, but when I open the Task Manager in Windows, I can only see that 2BG of RAM is being used. How can I get it so that I can use all 8GB of RAM on Windows 7? Is there any possibility that I could do it without having to reinstall Windows?
All I would like to know is how I can get Windows 7 to use all 8GB of RAM. I did install the x86 version.
Thannk you.
Quick edit: I can see that the task manager sees that 8GB are installed, but it also says that there is 2GB total. The OS is only being run with the 2GB and not the 8 that are being detected.

Install the 64 bit version of Windows.

Use more than 2 GB ram for oracle

I have 16 GB ram but I only can use 2 GB of that for oracle database , how can i increase that ???

Don't merely go for increasing the size for Oracle (SGA) Memory. You need to keep collect the usage/statistics of your Oracle SGA, for any contention/or slow performance.
Until and unless users/clients reports that their reports/programs/queries are running slow, then think of increasing memory for Oracle. Moreover, instead of anticipating that the user reports the problem, you from your side need to check the hits of the memory allocated for Oracle.
By the way, you didn't specify your Database Version and OS Details.
If assumed, you are on Oracle 10g, then please take a look at the below Oracle Documentations links.
http://download.oracle.com/docs/cd/B19306_01/server.102/b14231/create.htm#ADMIN00207
Regards,
Sabdar Syed.

Mac pro with 16GB RAM for CS3? CS3 cant use more than 3 GB? why

hi
does it make any sense to buy 16GB RAM for a mac pro
only for working with CS3?
i am retouching prof. and in the moment we run CS2 on the mac pro.
later CS3 is in the pipeline.
we ordered 16GB RAM in order to work with HDR images and big file sizes coming from hasselblad h2 and h3 (300dpi, 23 x 23inch, round 50 or 100 layers, filesize 1 - 2GB per image.)
thanks

found this article @ adobe website
thanks for your help!
"When you run Photoshop CS3 on a 64-bit operating system, such as Mac OS X v10.4 and later, Photoshop can access up to 8 GB of RAM. You can see the actual amount of RAM Photoshop can use in the Let Photoshop Use number when you set the Let Photoshop Use slider in the Performance preference to 100%. The RAM above the 100% used by Photoshop, which is from approximately 3 GB to 3.7 GB, can be used directly by Photoshop plug-ins (some plug-ins need large chunks of contiguous RAM), filters, and actions. If you have more than 4 GB (to 8 GB), the RAM above 4 GB is used by the operating system as a cache for the Photoshop scratch disk data. Data that previously was written directly to the hard disk by Photoshop is now cached in this high RAM before being written to the hard disk by the operating system. If you are working with files large enough to take advantage of these extra 2 GB of RAM, the RAM cache can increase performance of Photoshop.
The default RAM allocation setting in Photoshop CS3 is 70%. These settings should be optimal for most users. To get the ideal RAM allocation setting for your system, change the RAM allocation in 5% increments and watch the performance of Photoshop in the Activity Monitor. You must quit and restart Photoshop after each change to see the change take effect.
The available RAM shown in the Performance preferences has already deducted an amount that is reserved for the operating system from the total RAM in your computer. You shouldn't set the percentage of RAM to be used by Photoshop to 100% (unless you are using more than 2G of RAM) because other applications which run at the same time as Photoshop (for example, Adobe Bridge CS3) need a share of the available RAM. Some applications use more RAM than you might expect. For example, web browsers can use 20-30 MB of RAM, and music players can use 20-50 MB of RAM. Watch the Activity Monitor to view the RAM allocations on your computer.
Watch your efficiency indicator while you work in Photoshop to determine the amount of RAM you'll need to keep your images in RAM. The efficiency indicator is available from the pop-up menu on the status bar of your image or from the Palette Options on the Info Palette pop-up menu. When the efficiency indicator goes below 95-100%, you are using the scratch disk. If the efficiency is around 60%, you'll see a large performance increase by changing your RAM allocation or adding RAM."

More than 4GB of RAM in iMac 8,1 under Snow Leopard

Greetings,
I have an iMac 8.1, running under Snow Leopard in 64bits mode (i.e. kernel is in 64 bits). I am wondering if I can install - and use - more than 4GB of RAM now that my iMac is booting in 64bits mode?
Thank you for your help!

"32 bits mode" does not limit Mac OS X to 4GB or 6GB. Mac Pros could go up to 32GB of RAM, even when they were first introduced with Tiger (10.4) as the OS.
The current iMacs use the 32-bit kernel by default (to maintain compatibility with third-party extensions that have not been upgraded yet). However, it is fully capable of running 64-bit processes (system processes and applications) and using as much RAM as the Mac in question is capable of using, whether that is 4GB, 6GB, 8GB, 16GB, or 32GB.
So to summarize, the RAM limit is based on the hardware, not the software. This isn't like Windows, where 32-bit Windows has a usable RAM limit of somewhere between 3 and 4GB.

Random BSOD when using more than 1 stick of RAM - Toshiba L505-S5990

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