File name Contents Part# / Label EPROM Type --------- -------- ------------- ---------- VISUAL.U86 Visual Boot/Monitor E244-032 Rev 1.2 Hitachi HN482764G Date Code 8439 Notes: Visual 1050, No serial number, Mainboard VISUAL 1050, Written on sticker in case: P/N V-1050CPU, Mfr. Borg Warner, DATE: 73-3-23 File name Contents Part# / Label EPROM Type --------- -------- ------------- ---------- VISUAL.U77 Visual Video Cont. E244-033 Rev 1.1 Misubishi M5L2764K Date Code 84083U Notes: Same as above, plus this EPROM is for the SY6502A CPU at U76. The CRT controller is a Hitachi marked HD46505SP and HD6845SP.