Tektronix 4014-1 & unknown cards

The 4081 was a complete system, in a "desk" format. The CPU was an Interdata 7/16, not a 7/32. The CPU, Memory, Graphics Processor (supporting both display-list vector refresh graphics and DVST-style stored graphics), and I/O interfaces were housed inside a chassis in the desk. The display was a high-performance DVST tube that sat on the desktop, along with the keyboard and joystick. The 4081 was not integrated into a 4014-style chassis. The unidentified board may well be an Interdata CPU as suggested. There were some systems that I saw that provided local intelligence within a 4014 terminal housing, but I can't recall if these were just prototypes, or actually made it into production. I do recall a machine similar to a 4014 that used dual 8-inch floppy drives (mounted beneath the CRT), and ran a version of CP/M, and I know that it made it into production, but didn't use an Interdata processor, and I can't recall what the model of the machine was. If I remember right, it used an 8086 processor.