Wayne Stewart wrote: >Can't help you but I can tell you you need part # >3410004 or 3410004-00 Verified. I just opened a machine last night and found the same ROM number. I also found a couple of errors in the ROM number list that Patrick Schaefer posted a year or so ago. The Integer BASIC ROM numbers for the E0 and F0 ROMs were switched. The list should be: ========================================================= Apple II ROMs (Patrick Schaefer's + Michael Mahon's corrections and additions, 10/2003) 341-0001-00 Integer BASIC E0 1978 341-0002-00 Integer BASIC E8 1978 341-0003-00 Integer BASIC F0 1978 341-0004-00 Original Monitor (F8) 1978 341-0011(00) Applesoft BASIC D0 (c)1978 1980 341-0012(00) Applesoft BASIC D8 (c)1978 1980 341-0013(00) Applesoft BASIC E0 (c)1978 1980 341-0014(00) Applesoft BASIC E8 (c)1978 1980 341-0015(00) Applesoft BASIC F0 (c)1978 1980 341-0016-00 Programmer's Aid #1 (D0) 1978 341-0020(00) Autostart Monitor (F8) (c)1978 1980 341-0036 ][plus character ROM 342-0033-A //c Monitor ROM ($00) 1985 341-0065-A Super Serial Card 1983 342-0077-B IIgs ROM-01 1987 341-0080-B ProFile 5MB RW-Z8 1981 341-0124-A IIgs Keyboard i8048 342-0132 //c Kbd ROM 342-0132-B //e Kbd ROM USA 1985 342-0132-D //e, //e Enh, //c+ Kbd ROM USA/Dvorak 1984 342-0133-A //e Video ROM 1982 342-0134-A //e EF ROM 1982 342-0135-A //e CD ROM 1982 342-0135-B " (identical) 1982 341-0151-A //e Kbd ROM Deutsch/USA 1982 341-0161-A //e Video ROM Deutsch/USA 1982 341-0265-A //e Enh, //c+ Video ROM USA 1983 342-0272-A //c Monitor ROM ($FF) 1983 342-0275-A //c, //e Enh Video ROM Deutsch 1983 341-0303-A //e Enh EF EPROM 1984 342-0303-A //e Enh EF ROM 1984 342-0304-A //e Enh CD ROM 1984 342-0349-A //e Enh CF ROM 1985 342-0349-B //e Enh CF ROM 1985 342-0372-A //e Enh Kbd ROM Deutsch/USA 1985 341-0625-A //c+ CF ROM 1988 341-0737 IIgs ROM 3 FC-FD 1989 341-0748 IIgs ROM 3 FE-FF 1989 ========================================================= Sorry about the tabs--I hate them, but I haven't replaced them in the original list. ;-( -michael Check out amazing quality sound for 8-bit Apples on my Home page: http://members.aol.com/MJMahon/