I have a problem, from system test says:  Error 4mem/61/400000000:0x8444fb98, I know how you can solve. Thanks

I have a problem, from system test says:  Error 4mem/61/400000000:0x8444fb98, I know how you can solve.

If you have Apple Care for that computer, give them a call: Apple's Customer Support - in the US, (800) 767-2775
If you're not sure how to handle the situation, consider walking your MB into the nearest Apple Store and asking someone there to take a look, etc.
Good luck in any case.

Similar Messages

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    AshleyG0990 wrote:
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  • Hi!!I have some problems with the synchronization of my system, and I don´t know how I can solve this!

    My system consists of differents vi´s.Some of them are used to read analogic inputs and digital inputs, using the serial port.
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    Maybe, my problem is that I want to see the system like
    one block, and I am ignoring that, although all the system works like a block, every part works using a different "speed". I don´t know how tools can I use to combine two ideas, working like an only system( data dependence, some vis need the data of others vi to be able to work) and working getting differents numbers of samples/s.
    I have seen that there are synchronization vis. I am going to glance at them, maybe I find something interesting but I amsure that your help will be very useful?
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    Graci

    I think you are pretty much on the right track with Queues. I have implemented a very similar system myself using queues. I have even different systems connected to the serial interface, but I can synchronise them all easily using the following method:
    1) Make a VI for opening the serial port and reading the data. The data (parsed to extract the numbers required) are then stored in an array (Shift register). If the pre-determined time delay is reached (say 5 seconds) the values are averaged and written to a Queue with a defined data type. Save the VI as a VI template.
    2) Make a VI which starts an instance of this template VI for every channel you require. You can use VI Server to set values on the new front panel before you set it's property to "running". Setting a timer value for all can help ensure that the X-Axis of your timing values (if you require) are synchronised. The clue here is to define and initiate a QUEUE per channel. (RS-232_1, RS-232_2 and so on). The QUEUE name needs to be passed to the VI Template before running so that each VI running in the background has an individual link to the main program.
    The second part of this VI simply uses an array of QUEUES, polling them one after another with a timeout of, say 5 ms. If data is found, append accordingly to an XY-Graph.
    I also add in some "Auto termination" in the VI template (MAx number of values allowed in the QUEUE for example) to allow for the background processes to find out if the front-VI is still running or not. There are many different ways to do this, shoose the best for your application.
    With this approach, it's not even important what instrument is connected as long as data is written in a specified format into a known QUEUE. I have also developed systems where I can transparently (almost) drop in VI Templates for instruments with similar functionality (output data) from different suppliers.
    I would post an example, but the time it would take me to clean it up is too large. Sorry. If you have any further questions, don't hesitate to ask further questions.
    Shane.
    Using LV 6.1 and 8.2.1 on W2k (SP4) and WXP (SP2)

  • How you can solve a problem or find out on a dead pc if the problem relies on motherboard and not on processor or vice versa

    hi.
    I am working myself with computers ,  so there is one thing in my mind I wanted to be sure,which I couldn't find an answer for it!
    because I had before totally black screen and the problem was damaged processor.
    I am wondering how I can be sure as the last option when I get a black screen and there is no lihgts at all no any LED is lighting.totally dead pc.
    how  you can be sure then that the problem relies on processor and not on motherboard or vice versa the problem relies on motherboard and not on processor
      because I can't say to the customer lets buy first a processor if it is the cause of dead PC and if not then we buy motherboard. this sounds not wise.
    so I experimented first with my latop ,I pulled out the processor to see if I can see any LED light or any movement on the motherboard to be sure that motherboard giving me some clue that it is healty. I gave some light heat to de fan to let it turn ,because 
    it is working with heat sensors then I know that the motherboard is healty. but it didn't work. 
    I did the same with my desktop computer and the result is the same no any lights and no any movement on the motherboard . so now can some one tell me how you can distuingish as a last result which of this 2 components is causing dead PC. is there any
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    johan
    h.david

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    Please read this whole message before doing anything.
    This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
    The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches. 
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    Safe mode is much slower to boot and run than normal, and some things won’t work at all, including sound output and  Wi-Fi on certain models. The next normal boot may also be somewhat slow.
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    Read here under no longer have device:
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    Be aware, changing your Apple ID password doesn't always work, & can take up to 45 days to work.
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  • Beginner wants to know how you can on the first loop enter a value then let a feedback number take over from there

    How can I on the first loop enter a number into the amplitude subsection of the simulated signal box, and then from that loop onwards use the feedback number?
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    That's the purpose of a shift register or feedback node. They are the same thing and interchangeable. Loop at the attached picture. You initialize either outside the while loop and then whatever calculations you perform, are passed to the next iteration.
    Attachments:
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