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P87C52SBAA IS NOT GETTING DOWLOADED FROM THE BUFFER OF TOPMAX II PROGRAMMER. SHOWING ERROR "PROGRAM ERROR, CHIP ADDRESS 0000000h data 00h, checksum 0000000h, data 02h. At first we loaded from another P87C52 programmed microcontroller which has A12Dh. But the buffer is not getting copied and showing the above error. Please advice us so that we can copy the data and use the microcontroller properly. Regards, Arup Roy

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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SOURCE: Error 0701: USB Over Current On HC/Port - Bus:00H Dev :1DH Fun:01H / Port:00H

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SOURCE: PDT-3100 lost program

I personally would give it a try ;-)
Since you can't do anything with it now, it wo'n't get worse anyway.

You would be surpised how many problems can be solved by logical thinking and acting without fear for failure.

Posted on Oct 29, 2008

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SOURCE: hardware problem - not booting into windows

tosrisri hello,

If you have a VISTA DVD, please insert it, and use the BIOS to boot through your CD.
Then, when the VISTA installation comes up, press repair. Restart, and try again. Please report back.

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SOURCE: Unable to copy driver file dirdib.drv error

I had the same problem...try this:

Right click on the Start file on the CD and choose the "Run as administrator" selection and it should work. Enjoy!

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SOURCE: Boot Loader 0A.30. SW Version: R47A_G_08.D8.35R


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In order to understand what a checksum error is, it is important to first learn what a checksum is. A checksum is a redundancy check during a computer's start up process, which makes sure that the computer's data is intact and unhampered. The data is scanned and tested for accuracy, either based on how well it relates to data elsewhere or based on previous data that was stored on the same computer. Essentially, all of the bits of data in a particular document or file are added up and a number or hash is created. This number or hash can then be compared to the number or hash generated from the same file on another person's computer or at a previous time on the same computer.
When does a Checksum Error Occur?

Although a checksum error can occur at any time while a computer is comparing data, it is most commonly present during a computer's startup procedure. During a computer's start up processes, the BIOS settings, which are stored in a CMOS memory chip, are computed and then checked against the previous value. If the computed values do not match exactly, the computer warns the user with a checksum error message that the data may have been changed or corrupted between start up cycles. All BIOS programs present a different error and therefore will either continue with booting or refuse to boot until the problem is corrected.


Depending on the type and the severity of the error generated, there may be one of a variety of ways to rectify the issue. The most common cause of a checksum error during the startup process is a faulty battery that is not providing sufficient power to the motherboard when the computer is off. However, motherboard malfunctions and viruses can also contribute to checksum errors.
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