U7-U15 are the EPROMs for a Fluke 6071A/AN sig. gen. with opt rear o/p, aux o/p and rev pwr. S/N Firmware is listed as V1.7 AE, the controller board is a RevN. U11 is the calibration EPROM unique to each sig. gen. Other data is: U7 6071/AE TMS2532JL-45 U8 6071/AE TMS2532JL-45 U9 6071/AE TMS2532JL-45 U10 6071/AE TMS2532JL-45 U11 TMS2516JL U12 6071/AE TMS2532JL-45 U13 6071/AE TMS2532JL-45 U14 6071/AE TMS2532JL-45 U15 6071/AE TMS2532JL-45 The files are saved in Intel HEX format.