Digital Equipment DECstation 5000/100 Series, Maintenance Manual

Page: 325 / 392

Table D-15 lists error codes used in FPU test error messages.
Table D-15. FPU Test Error Codes
Error Code Meaning
1 Values did not match. Value should be 00000000.
2 Values did not match. Value should be 55555555.
3 Values did not match. Value should be AAAAAAAA.
4 Values did not match. Value should be FFFFFFFF.
5 Least-significant bit failed when the system was converting
doubleword to word (CVT D. W.)
6 Most-significant bit failed when the system was converting
doubleword to word (CVT D. W.)
7 Double miscompare occurred: n+n-n!=n
8 Double miscompare occurred: n+n= =n
9 Convert float-double. Value should be 55555555.
10 FPU CSR double error occurred.
11 Single miscompare occurred. n+n-n!=n
12 Single miscompare occurred. n+n= =n
13 Convert float-double. Value should be 55555555.
14 FPU CSR single error occurred. Value should be 00000000.
15 Single division failed. Value should be 00005555.
16 Single multiplication failed.
17 Double multiplication failed.
18 Double division failed.
19 Conversion error occurred. Pattern readback did not match.
21 FPU did not trap on overflow exception.
Base System Test Commands and Messages D–33