Commodore CBM 1541C 1541-II Floppy Rom 251968 355640
(1:)CBM 1541C 251968.02 16k ROM "UA2". This is compatible with the White CBM 1541C Floppy Drive and later 1541-II Drives. 2:)CBM 1541-II 251968.03 16K ROM. 3:)CBM 1541-II (Newtronics-Belt Drive) 355640.01.