ASVT is being allocated over the 16MB line(31 bit address).
IBM has included this option in release 3.1.0 of the z/OS operating system where the ASVT address can be loaded as 31 bit or 24 bit.
This value (CBLOC VIRTUAL31(IHAASVT)) is set in the SYS1.PARMLIB(DIAGxx) member.
Easytrieve Report Generator, release 11.6
z/OS 3.1 and the ASVT parameter
Easytrieve Report Generator does run above the line. However, this product is not affected based on the ASVT parameter setting.
This is due to the fact that Easytrieve's control blocks are not impacted.