SAP IGS is a built in graphics server for ABAP.
To determine the version of IGS running start transaction SIGS (or run program GRAPHICS_IGS_ADMIN):
Press execute:
The RFC itself can be tested in SM59 with connection IGS_RFC_DEST.
Background OSS note: 995471 – IGS administration via ABAP.
Graphics test program
To test the graphics start program BW_IGS_CHART_TEST. Output should be: