MPE/iX Error Messages Manual Vol 2 (32650-90902)
280 Chapter8
System Startup, Shutdown, and Configuration
Class Errors
CAUSE Cannot verify operation of the logical add.
ACTION Contact your Hewlett-Packard Support Representative.
18 MESSAGE No message. System halts. (E)
CAUSE Verification of the PSW's C/B bits with logical add
operation fails. (C/B gets updated.)
ACTION Contact your Hewlett-Packard Support Representative.
19 MESSAGE No message. System halts. (E)
CAUSE Addition of two negative numbers cause overflow trap.
ACTION Contact your Hewlett-Packard Support Representative.
1A MESSAGE No message. System halts. (E)
CAUSE Cannot verify addition of two negative numbers.
ACTION Contact your Hewlett-Packard Support Representative.
20 MESSAGE No message. System halts. (E)
CAUSE Verification of the overflow conditions with logical ADD
instruction fails.
ACTION Contact your Hewlett-Packard Support Representative.
21 MESSAGE No message. System halts. (E)
CAUSE Verification of the overflow conditions with EXTRU logical
instruction fails.
ACTION Contact your Hewlett-Packard Support Representative.
22 MESSAGE No message. System halts. (E)
CAUSE Verification of the extract signed instruction operation
fails.
ACTION Contact your Hewlett-Packard Support Representative.
Instruction Unit Failure
Instruction unit messages take the form:
15xx
where:
xx = detailed error number.
00 MESSAGE No message. System halts. (E)
CAUSE Undefined error occurs at the start of the test of this
board.
ACTION Contact your Hewlett-Packard Support Representative.
01 MESSAGE No message. System halts. (E)
CAUSE Condition branch test fails. Second possible cause of the