Read BIOS Info (Long)

This function block can read numerical values out of the BIOS information.

The input InfoNo is used to give the index of the desired information. The read value is given at the output UlInfo. The following table shows the possible information:

Index Information
0 Boot counter
1 Counter of operation hours

The output Err will show an error number.


Name I/O Type(s) Function
InfoNo I WORD Index of the wanted BIOS information
UlInfo O LONG Read value
Err O WORD Error indicator


Error number Result
0 No error
-1 The board could not be accessed.
-4 The BIOS information could not be read.
-5 The index is invalid.