Definitions for "Compatibility mode"
A processing mode on HP 3000 Series 900 computers that allows MPE V applications to run on MPE XL machines without changes or recompilation.
Compatibility Mode provides object code compatibility between Mode allows Hewlett-Packard customers to move applications and data from their current systems to the 900 Series HP 3000 without changes or recompilation.
See IIS 5.0 isolation mode.