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Hello everybody,
Now that we are in the heat of july, it reminds me of some problems i have had with processors
over heating and causing damage to data files.
A few years back i had two computers where the cpu over heated and caused damaage to
some of my random access files. Both cpu's fans slowed and i was lucky in that it showed its
face when a random access files were retrieving records, the records were not the same as what
the records asked for using the record pointer during a file read statement.
By the way, i could not tell looking at the cpu fan on one machine, that it was not turning the speed
that it should be turning.
Well in short i was wondering if anybody has worked on a routine to check the cpu for accuracy.
I believe this would go well in a screen saver, and just about anywhere else if your data is important to you.
I know i could do some simple math and check the outcome, but is there better way.
Maybe the formula would have to be complicated?
Maybe i need to use the math coprocessor, or maybe not use it?
Maybe i need to do some other instructions that do some kind of function?
I feel this kind of code would be helpful, now that i am using pb/dos and have room for code that
i did not have before.
I did not list the code, i could, but i do not know what purpose it would sever unless somebody wanted
to know exactly what happened, but the code did have some interger multiplication in it.
I was able to duplicate the problem when it occurred by simple pulling the cpu fan power source off while
my test program would read index files to a random access file and check the variables in the returned record to
see if key matched what was in the index.
I did not experience screen problems, everything seemed normal except the records were not the ones requested.
Of course this was during the pre overheating, when only on one computer did i have total computer failure.
thanks in advance
[This message has been edited by paul d purvis (edited July 15, 2003).]
Now that we are in the heat of july, it reminds me of some problems i have had with processors
over heating and causing damage to data files.
A few years back i had two computers where the cpu over heated and caused damaage to
some of my random access files. Both cpu's fans slowed and i was lucky in that it showed its
face when a random access files were retrieving records, the records were not the same as what
the records asked for using the record pointer during a file read statement.
By the way, i could not tell looking at the cpu fan on one machine, that it was not turning the speed
that it should be turning.
Well in short i was wondering if anybody has worked on a routine to check the cpu for accuracy.
I believe this would go well in a screen saver, and just about anywhere else if your data is important to you.
I know i could do some simple math and check the outcome, but is there better way.
Maybe the formula would have to be complicated?
Maybe i need to use the math coprocessor, or maybe not use it?
Maybe i need to do some other instructions that do some kind of function?
I feel this kind of code would be helpful, now that i am using pb/dos and have room for code that
i did not have before.
I did not list the code, i could, but i do not know what purpose it would sever unless somebody wanted
to know exactly what happened, but the code did have some interger multiplication in it.
I was able to duplicate the problem when it occurred by simple pulling the cpu fan power source off while
my test program would read index files to a random access file and check the variables in the returned record to
see if key matched what was in the index.
I did not experience screen problems, everything seemed normal except the records were not the ones requested.
Of course this was during the pre overheating, when only on one computer did i have total computer failure.
thanks in advance
[This message has been edited by paul d purvis (edited July 15, 2003).]
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