http://www.loomcom.com/3b2/att_4425_rom/ ROM images from an AT&T 4425 terminal. These are 2764 equivalent 64 Kbit (8 Kb x 8) ROMs char.bin Character ROM (Board position 10B) 455773-1.bin Program ROM 1 (Board position 2A) 455774-1.bin Program ROM 2 (Board position 3A) 456305-1.bin Program ROM 3 (Board position 4A) 456306-1.bin Program ROM 4 (Board position 5A)