The following table summarizes, for each type of recovery routine, when the recovery routine is defined, activated, deactivated, and no longer defined.
| Recovery routine | Defined | Activated | Deactivated | No longer defined |
|---|---|---|---|---|
| ESTAE | ESTAE CT | ESTAE CT | ESTAE 0 | ESTAE 0 |
| ESTAEX | ESTAEX CT | ESTAEX CT | ESTAEX 0 | ESTAEX 0 |
| ESTAI | ATTACHX ESTAI | Attached task gets control | Attached task ends | Attached task ends |
| ARR | IEAARR | System-issued PC instruction | System PR instruction | System PR instruction |