Owner`s manual

Table H–1 (Cont.): Console Error Messages Indicating Halt (Model
400 and Higher)
Error Message Meaning
?001B PSL <26:24>= 111 during interrupt
or exception.
An exception or interrupt occurred while
on the interrupt stack but not in ker-
nel mode.
?001D PSL <26:24> = 101 during REI. An REI instruction attempted to re-
store a PSL with an invalid com-
bination of access mode and inter-
rupt stack bits.
?001E PSL <26:24> = 110 during REI. An REI instruction attempted to re-
store a PSL with an invalid com-
bination of access mode and inter-
rupt stack bits.
?001F PSL <26:24> = 111 during REI. An REI instruction attempted to re-
store a PSL with an invalid com-
bination of access mode and inter-
rupt stack bits.
Table H–2: Standard Console Error Messages (Model 400 and
Higher)
Error Message Meaning
?0020 Illegal memory reference. An attempt was made to reference a vir-
tual address (/V) that is either un-
mapped or is protected against access un-
der the current PSL.
?0021 Illegal command. The command was not recognized, con-
tained the wrong number of parame-
ters, or contained unrecognized or inap-
propriate qualifiers.
?0022 Illegal address. The specified address was recognized as
being invalid, for example, a general pur-
pose register number greater than 15.
?0023 Value is too large. A parameter or qualifier value con-
tained too many digits.
?0024 Conflicting qualifiers. A command specified recognized quali-
fiers that are illegal in combination.
Console Error Messages (Model 400 and Higher) H–3