Class Errors

Class Error 1

Class error 1 is composed of three types of processor failures: register file, execution unit, and instruction unit.

Register File Failure

11xx

where:

xx = detailed error number

00

MESSAGE: No message. System halts. (E)
CAUSE: Undefined error occurs at the start of the test.
ACTION: Contact your Hewlett-Packard Support Representative.

01

MESSAGE: No message. System halts. (E)
CAUSE: Test of the general registers 1, 2, and 31 fails. Second possible cause of the error may be the execution unit. Third possible cause of the error also may be the instruction unit.
ACTION: Contact your Hewlett-Packard Support Representative.

02

MESSAGE: No message. System halts. (E)
CAUSE: Test of the general registers fails. Second possible cause of the error may be the execution unit. Third possible cause of the error also may be the instruction unit.
ACTION: Contact your Hewlett-Packard Support Representative.

03

MESSAGE: No message. System halts. (E)
CAUSE: Test of the recovery counter or external interrupt enable mask fails. Second possible cause of the error may be the execution unit. Third possible cause of the error also may be the instruction unit.
ACTION: Contact your Hewlett-Packard Support Representative.

04

MESSAGE: No message. System halts. (E)
CAUSE: Test of the temporary control registers fails. Second possible cause of the error may be the execution unit. Third possible cause of the error also may be the instruction unit.
ACTION: Contact your Hewlett-Packard Support Representative.

07

MESSAGE: No message. System halts. (E)
CAUSE: Cross-talk occurs between general registers.
ACTION: Contact your Hewlett-Packard Support Representative.

08

MESSAGE: No message. System halts. (E)
CAUSE: Crosstalk occurs among general registers and temporary registers.
ACTION: Contact your Hewlett-Packard Support Representative.

0A

MESSAGE: No message. System halts. (E)
CAUSE: X and B bus bypass testing.
ACTION: Contact your Hewlett-Packard Support Representative.

0B

MESSAGE: No message. System halts. (E)
CAUSE: General register 0 bypassed.
ACTION: Contact your Hewlett-Packard Support Representative.

0C

MESSAGE: No message. System halts. (E)
CAUSE: General register 0 bypassed on a nullify.
ACTION: Contact your Hewlett-Packard Support Representative.

0D

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the trap with interval timer fails.
ACTION: Contact your Hewlett-Packard Support Representative.

10

MESSAGE: No message. System halts. (E)
CAUSE: Interval timer is not incrementing. Second possible cause of the error may be the execution unit. Third possible cause of the error also may be the instruction unit.
ACTION: Contact your Hewlett-Packard Support Representative.

11

MESSAGE: No message. System halts. (E)
CAUSE: Interval timer is not causing a trap. Second possible cause of the error may be the instruction unit. Third possible cause of the error also may be the translation look-aside buffer.
ACTION: Contact your Hewlett-Packard Support Representative.

12

MESSAGE: No message. System halts. (E)
CAUSE: Recovery counter is not causing a trap. Second possible cause of the error may be the instruction unit. Third possible cause of the error also may be the translation look-aside buffer.
ACTION: Contact your Hewlett-Packard Support Representative.

15

MESSAGE: No message. System halts. (E)
CAUSE: Load to general register 0 modifies that register.
ACTION: Contact your Hewlett-Packard Support Representative.

16

MESSAGE: No message. System halts. (E)
CAUSE: Nullified instruction stored to register file
ACTION: Contact your Hewlett-Packard Support Representative.

17

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the address calculation for load word and modification (LDWM) fails.
ACTION: Contact your Hewlett-Packard Support Representative.

18

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the address calculation for load word indexed and modification (LDWX,M) fails.
ACTION: Contact your Hewlett-Packard Support Representative.

19

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the address calculation for load byte indexed and modification (LDBX,U,M) fails.
ACTION: Contact your Hewlett-Packard Support Representative.

1A

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the address calculation for load half word indexed and modification (LDHX,U,M) fails.
ACTION: Contact your Hewlett-Packard Support Representative.

1B

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the address calculation for load halfword indexed and modification (LDWX,U,M) fails.
ACTION: Contact your Hewlett-Packard Support Representative.

20

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the operation of the register file interlock fails.
ACTION: Contact your Hewlett-Packard Support Representative.

21

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the address calculation for load word and modification after (LDW,MA) fails.
ACTION: Contact your Hewlett-Packard Support Representative.

22

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the address calculation for load word and modification before (LDW,MB) fails.
ACTION: Contact your Hewlett-Packard Support Representative.

23

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the move to control register (MTCTL) after load word (LDW) operation fails.
ACTION: Contact your Hewlett-Packard Support Representative.

2A

MESSAGE: No message. System halts. (E)
CAUSE: Nullified instruction after data trap stored to register file.
ACTION: Contact your Hewlett-Packard Support Representative.

2B

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the address calculation of the load and modification that caused the data trap fails.
ACTION: Contact your Hewlett-Packard Support Representative.

2C

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the ripple through recovery counter fails.
ACTION: Contact your Hewlett-Packard Support Representative.

2D

MESSAGE: No message. System halts. (E)
CAUSE: Cannot force overflow trap.
ACTION: Contact your Hewlett-Packard Support Representative.

2E

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the backup on recovery counter fails.
ACTION: Contact your Hewlett-Packard Support Representative.

2F

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the late nullify on recovery counter fails.
ACTION: Contact your Hewlett-Packard Support Representative.

31

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected recovery counter trap occurs. Second possible cause of the error may be the instruction unit. Third possible cause of the error also may be the translation look-aside buffer.
ACTION: Contact your Hewlett-Packard Support Representative.

32

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected external interrupt trap occurs. Second possible cause of the error may be the instruction unit. Third possible cause of the error also may be the translation look-aside buffer.
ACTION: Contact your Hewlett-Packard Support Representative.

40

MESSAGE: No message. System halts. (E)
CAUSE: Test of the external interrupt request register with zero fails.
ACTION: Contact your Hewlett-Packard Support Representative.

41

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the value of general register 1 after ADDIL instruction fails.
ACTION: Contact your Hewlett-Packard Support Representative.

42

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the calculation of the return address with branch and link instruction fails.
ACTION: Contact your Hewlett-Packard Support Representative.

43

MESSAGE: No message. System halts. (E)
CAUSE: Register file does not zero unused portion of the target register for LDH instruction.
ACTION: Contact your Hewlett-Packard Support Representative.

44

MESSAGE: No message. System halts. (E)
CAUSE: Register file does not zero unused portion of the target register for LDB instruction.
ACTION: Contact your Hewlett-Packard Support Representative.

45

MESSAGE: No message. System halts. (E)
CAUSE: Cannot distinguish between banks of the general registers.
ACTION: Contact your Hewlett-Packard Support Representative.

46

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the recovery counter operation fails. Counter cannot count up.
ACTION: Contact your Hewlett-Packard Support Representative.

47

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the recovery counter operation with nullify instruction fails.
ACTION: Contact your Hewlett-Packard Support Representative.

48

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the recovery counter operation with late nullify instruction fails.
ACTION: Contact your Hewlett-Packard Support Representative.

49

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the recovery counter operation with late nullify instruction caused by data trap fails.
ACTION: Contact your Hewlett-Packard Support Representative.

4A

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the recovery counter trap fails.
ACTION: Contact your Hewlett-Packard Support Representative.

4B

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the recovery counter trap operation immediately after data trap fails.
ACTION: Contact your Hewlett-Packard Support Representative.

4C

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify external interrupt enable mask.
ACTION: Contact your Hewlett-Packard Support Representative.

4D

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify external interrupt request register.
ACTION: Contact your Hewlett-Packard Support Representative.

4E

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the external interrupt operation fails.
ACTION: Contact your Hewlett-Packard Support Representative.

4F

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify current privilege level after execution of the gateway instruction.
ACTION: Contact your Hewlett-Packard Support Representative.

50

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the timing on board fails.
ACTION: Contact your Hewlett-Packard Support Representative.

51

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the external interrupt request register with high-priority machine check fails. (EIRR bit gets set with HPMC.)
ACTION: Contact your Hewlett-Packard Support Representative.

Execution Unit Failure

Execution unit messages take the form:

14xx

where:

xx = detailed error number.

00

MESSAGE: No message. System halts. (E)
CAUSE: Undefined error occurs at the start of the test on this board.
ACTION: Contact your Hewlett-Packard Support Representative.

01

MESSAGE: No message. System halts. (E)
CAUSE: Test of the data path through the barrel shifter fails.
ACTION: Contact your Hewlett-Packard Support Representative.

02

MESSAGE: No message. System halts. (E)
CAUSE: Shift by bit 0, 1, 2, 4, 6, 8, 16, or 31 fails.
ACTION: Contact your Hewlett-Packard Support Representative.

03

MESSAGE: No message. System halts. (E)
CAUSE: Pattern test of the 3/4-bit hardware boundaries fails.
ACTION: Contact your Hewlett-Packard Support Representative.

04

MESSAGE: No message. System halts. (E)
CAUSE: Preshift by 0 bit for MOVE fails.
ACTION: Contact your Hewlett-Packard Support Representative.

05

MESSAGE: No message. System halts. (E)
CAUSE: Extract sign/unsigned for a bit field fails.
ACTION: Contact your Hewlett-Packard Support Representative.

06

MESSAGE: No message. System halts. (E)
CAUSE: Timing critical path of instruction mix MTCTL and VEXTRS fails.
ACTION: Contact your Hewlett-Packard Support Representative.

07

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the shift amount register fails.
ACTION: Contact your Hewlett-Packard Support Representative.

0A

MESSAGE: No message. System halts. (E)
CAUSE: Arithmetic/logical conditions fail.
ACTION: Contact your Hewlett-Packard Support Representative.

0B

MESSAGE: No message. System halts. (E)
CAUSE: Test of the unit conditions fails.
ACTION: Contact your Hewlett-Packard Support Representative.

0C

MESSAGE: No message. System halts. (E)
CAUSE: Test of the extract/logical conditions fails.
ACTION: Contact your Hewlett-Packard Support Representative.

0D

MESSAGE: No message. System halts. (E)
CAUSE: Test of the PSW C/B bit fails. Second cause of the error may be the register file.
ACTION: Contact your Hewlett-Packard Support Representative.

10

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the shift and add conditions fails.
ACTION: Contact your Hewlett-Packard Support Representative.

11

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify shift one and add.
ACTION: Contact your Hewlett-Packard Support Representative.

12

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify shift two and add.
ACTION: Contact your Hewlett-Packard Support Representative.

13

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify shift three and add.
ACTION: Contact your Hewlett-Packard Support Representative.

14

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the load byte short with odd index fails.
ACTION: Contact your Hewlett-Packard Support Representative.

15

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the operation of the PSW's C/B bits with decimal correct (DCOR) instruction fails.
ACTION: Contact your Hewlett-Packard Support Representative.

16

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the PSW's C/B bits with logical shift operation fails. (C/B gets updated.)
ACTION: Contact your Hewlett-Packard Support Representative.

17

MESSAGE: No message. System halts. (E)
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 error is the execution unit. Third possible cause also may be the register file unit.
ACTION: Contact your Hewlett-Packard Support Representative.

02

MESSAGE: No message. System halts. (E)
CAUSE: Condition add with no overflow fails. Second possible cause of the error is the execution unit Third possible cause also may be the register file unit.
ACTION: Contact your Hewlett-Packard Support Representative.

03

MESSAGE: No message. System halts. (E)
CAUSE: Odd condition fails. Second possible cause of the error is the execution unit. Third possible cause also may be the register file unit.
ACTION: Contact your Hewlett-Packard Support Representative.

04

MESSAGE: No message. System halts. (E)
CAUSE: Test of the unit true condition fails. Second possible cause of the error is the execution unit. Third possible cause also may be the register file unit.
ACTION: Contact your Hewlett-Packard Support Representative.

05

MESSAGE: No message. System halts. (E)
CAUSE: Test of the ext/dep true condition fails. Second possible cause of the error is the execution unit. Third possible cause also may be the register file unit.
ACTION: Contact your Hewlett-Packard Support Representative.

08

MESSAGE: No message. System halts. (E)
CAUSE: Branch and link instruction cannot calculate the return address. Second possible cause of the error is the execution unit. Third possible cause also may be the register file unit.
ACTION: Contact your Hewlett-Packard Support Representative.

09

MESSAGE: No message. System halts. (E)
CAUSE: Branch and vector instruction cannot return to the given address. Second possible cause of the error is the execution unit. Third possible cause also may be the register file unit.
ACTION: Contact your Hewlett-Packard Support Representative.

0A

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the system mask portion of the PSW fails. Second possible cause of the error is the execution unit Third possible cause also may be the register file unit.
ACTION: Contact your Hewlett-Packard Support Representative.

0B

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the coprocessor fails. Second possible cause of the error is the execution unit.
ACTION: Contact your Hewlett-Packard Support Representative.

0C

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the interrupt vector address or PC offset queue fails. Second possible cause of the error is the execution unit.
ACTION: Contact your Hewlett-Packard Support Representative.

0D

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the interrupt processor status word fails. Second possible cause of the error is the execution unit.
ACTION: Contact your Hewlett-Packard Support Representative.

0E

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the PC offset queue operation fails. (Cannot verify the functionality of the PSW Q bit.) Second possible cause of the error is the translation look-aside buffer.
ACTION: Contact your Hewlett-Packard Support Representative.

0F

MESSAGE: No message. System halts. (E)
CAUSE: Instruction unit cannot force trap. Second possible cause of the error is the register file unit.
ACTION: Contact your Hewlett-Packard Support Representative.

16

MESSAGE: No message. System halts. (E)
CAUSE: PC offset queue does not hold the correct address after trap.
ACTION: Contact your Hewlett-Packard Support Representative.

17

MESSAGE: No message. System halts. (E)
CAUSE: IPSW does not receive the value of the PSW after trap.
ACTION: Contact your Hewlett-Packard Support Representative.

18

MESSAGE: No message. System halts. (E)
CAUSE: Interrupt instruction register does not receive the value of the instruction that causes a trap.
ACTION: Contact your Hewlett-Packard Support Representative.

19

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the forced break instruction trap fails.
ACTION: Contact your Hewlett-Packard Support Representative.

20

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the forced illegal instruction trap fails.
ACTION: Contact your Hewlett-Packard Support Representative.

21

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the forced overflow trap fails.
ACTION: Contact your Hewlett-Packard Support Representative.

22

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the forced conditional trap fails.
ACTION: Contact your Hewlett-Packard Support Representative.

23

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify the functionality of the PSW's T bit during a verification of the forced branch taken trap.
ACTION: Contact your Hewlett-Packard Support Representative.

24

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify the functionality of the PSW's B bit.
ACTION: Contact your Hewlett-Packard Support Representative.

25

MESSAGE: No message. System halts. (E)
CAUSE: Cannot enable a high-priority machine check with PSW's M bit.
ACTION: Contact your Hewlett-Packard Support Representative.

26

MESSAGE: No message. System halts. (E)
CAUSE: Cannot disable the high-priority machine check with PSW's M bit.
ACTION: Contact your Hewlett-Packard Support Representative.

27

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify the change of privilege with branch external (BE) instruction.
ACTION: Contact your Hewlett-Packard Support Representative.

28

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify the change of privilege with branch and link external (BLE) instruction.
ACTION: Contact your Hewlett-Packard Support Representative.

29

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify the change of privilege with branch vector (BV) instruction.
ACTION: Contact your Hewlett-Packard Support Representative.

2A

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify the functionality of the privilege register trap.
ACTION: Contact your Hewlett-Packard Support Representative.

2B

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify the functionality of the privilege operation trap.
ACTION: Contact your Hewlett-Packard Support Representative.

2C

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify the functionality of the lower privilege transfer trap.
ACTION: Contact your Hewlett-Packard Support Representative.

2D

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify the functionality of the higher privilege transfer trap.
ACTION: Contact your Hewlett-Packard Support Representative.

31

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected high-priority machine check trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the translation look-aside buffer (TLB).
ACTION: Contact your Hewlett-Packard Support Representative.

32

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected low parity machine check trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the TLB.
ACTION: Contact your Hewlett-Packard Support Representative.

33

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected illegal instruction trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the TLB.
ACTION: Contact your Hewlett-Packard Support Representative.

34

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected break instruction trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the TLB.
ACTION: Contact your Hewlett-Packard Support Representative.

35

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected privileged operation trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the TLB.
ACTION: Contact your Hewlett-Packard Support Representative.

36

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected privileged register trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the TLB.
ACTION: Contact your Hewlett-Packard Support Representative.

37

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected overflow trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the TLB.
ACTION: Contact your Hewlett-Packard Support Representative.

38

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected condition trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the TLB.
ACTION: Contact your Hewlett-Packard Support Representative.

39

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected assist emulation trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the TLB.
ACTION: Contact your Hewlett-Packard Support Representative.

3A

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected privilege transfer trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the TLB.
ACTION: Contact your Hewlett-Packard Support Representative.

3B

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected low-privilege transfer trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the TLB.
ACTION: Contact your Hewlett-Packard Support Representative.

3C

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected taken branch trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the TLB.
ACTION: Contact your Hewlett-Packard Support Representative.

3D

MESSAGE: No message. System halts. (E)
CAUSE: Unimplemented trap occurs. Second possible cause of the error is the register file. Third possible cause of the error is the TLB.
ACTION: Contact your Hewlett-Packard Support Representative.

40

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the transfer of control/soft reset fails.
ACTION: Contact your Hewlett-Packard Support Representative.

41

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected high-priority machine check is found during forced TOC/soft reset.
ACTION: Contact your Hewlett-Packard Support Representative.

42

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify PCQ front after RFI with Q bit off.
ACTION: Contact your Hewlett-Packard Support Representative.

43

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify Assist Emulation trap, or cannot verify bit zero of CCR.
ACTION: Contact your Hewlett-Packard Support Representative.

44

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify coprocessor configuration register by forcing assist emulation trap.
ACTION: Contact your Hewlett-Packard Support Representative.

45

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify overflow trap with ADDIO instruction.
ACTION: Contact your Hewlett-Packard Support Representative.

46

MESSAGE: No message. System halts. (E)
CAUSE: Unexpected overflow trap occurs.
ACTION: Contact your Hewlett-Packard Support Representative.

47

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify index other than zero with BLR instruction.
ACTION: Contact your Hewlett-Packard Support Representative.

48

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify index other than zero with BV instruction.
ACTION: Contact your Hewlett-Packard Support Representative.

49

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify system mask (of PSW) with MTSM instruction.
ACTION: Contact your Hewlett-Packard Support Representative.

4E

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify functionality of PSW's N bit. N bit is not set for nullified instruction when taken branch trap is taken.
ACTION: Contact your Hewlett-Packard Support Representative.

4F

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify functionality of PSW's N bit. When N bit is set RFI target is not nullified.
ACTION: Contact your Hewlett-Packard Support Representative.

51

MESSAGE: No message. System halts. (E)
CAUSE: Cannot verify functionality of PSW's X bit. (Cannot prevent data memory break trap by setting X bit.)
ACTION: Contact your Hewlett-Packard Support Representative.

52

MESSAGE: No message. System halts. (E)
CAUSE: Verification of PSW's V bit fails. (Cannot verify the remainder of the divide step.)
ACTION: Contact your Hewlett-Packard Support Representative.

53

MESSAGE: No message. System halts. (E)
CAUSE: Verification of PSW's C bit fails.
ACTION: Contact your Hewlett-Packard Support Representative.

54

MESSAGE: No message. System halts. (E)
CAUSE: Verification of IPSW in virtual mode fails.
ACTION: Contact your Hewlett-Packard Support Representative.

55

MESSAGE: No message. System halts. (E)
CAUSE: Verification of PCQ in high virtual address fails.
ACTION: Contact your Hewlett-Packard Support Representative.

56

MESSAGE: No message. System halts. (E)
CAUSE: Verification of small displacement in high virtual address fails.
ACTION: Contact your Hewlett-Packard Support Representative.

57

MESSAGE: No message. System halts. (E)
CAUSE: Verification of PSW when HPMC is forced by TLB parity error fails.
ACTION: Contact your Hewlett-Packard Support Representative.

58

MESSAGE: No message. System halts. (E)
CAUSE: Cannot force HPMC in virtual mode.
ACTION: Contact your Hewlett-Packard Support Representative.

59

MESSAGE: No message. System halts. (E)
CAUSE: Verification of IPSW in virtual mode fails.
ACTION: Contact your Hewlett-Packard Support Representative.

Class Error 2

Class error 2 is composed of translation look-aside buffer (TLB) and cache failures. These two types of errors are coded 23xx and 27xx.

Translation Look-Aside Buffer (TLB) Failure

translation look-aside buffer messages take the form:

26xx

where:

xx = detailed error number.

00

MESSAGE: No message. System halts. (E)
CAUSE: Undefined error occurred at the start of the test of this board.
ACTION: Contact your Hewlett-Packard Support Representative.

01

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the read and write operation on the space registers through space ID fails.
ACTION: Contact your Hewlett-Packard Support Representative.

02

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the read and write operation on the space registers through MTSP fails.
ACTION: Contact your Hewlett-Packard Support Representative.

04

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the read or write access to a page with proper protection and access right fails. Second possible cause of the error is the cache unit.
ACTION: Contact your Hewlett-Packard Support Representative.

05

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the write disable bit operation fails. Second possible cause of the error is the cache unit.
ACTION: Contact your Hewlett-Packard Support Representative.

06

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the public access operation fails. Second possible cause of the error is the cache unit.
ACTION: Contact your Hewlett-Packard Support Representative.

07

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the PSW P Bit operation fails. Second possible cause of the error is the cache unit. Third possible cause of the error is the instruction unit.
ACTION: Contact your Hewlett-Packard Support Representative.

08

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the data TLB MISS trap operation fails. Second possible cause of the error is the instruction unit.
ACTION: Contact your Hewlett-Packard Support Representative.

09

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the non-access data TLB MISS trap operation fails. Second possible cause of the error is the instruction unit.
ACTION: Contact your Hewlett-Packard Support Representative.

0A

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the debug trap operation fails. Second possible cause of the error is the instruction unit.
ACTION: Contact your Hewlett-Packard Support Representative.

0B

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the dirty bit trap operation fails. Second possible cause of the error is the instruction unit.
ACTION: Contact your Hewlett-Packard Support Representative.

0C

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the virtual I/O trap operation fails. Second possible cause of the error is the instruction unit.
ACTION: Contact your Hewlett-Packard Support Representative.

0D

MESSAGE: No message. System halts. (E)
CAUSE: Verification of the physical page number RAMs fails.
ACTION: Contact your Hewlett-Packard Support Representative.

10

Class Errors

Technical documentation

» Table of Contents

Class Error 1

Register File Failure

Execution Unit Failure

Instruction Unit Failure

Class Error 2

Translation Look-Aside Buffer (TLB) Failure