home *** CD-ROM | disk | FTP | other *** search
/ EnigmA Amiga Run 1996 June / EnigmA AMIGA RUN 08 (1996)(G.R. Edizioni)(IT)[!][issue 1996-06][EARSAN CD VII].iso / earcd / hardware / top_hk14.lha / T.O.P. / NTSC-PAL_Switch_hack.iff (.png) < prev    next >
IFF Interleaved Bitmap Image  |  1996-04-04  |  35KB  |  640x680  |  4-bit (4 colors)
Labels: text | diagram | screenshot | black and white | font
OCR: AMIGA 500 NTSC/PAL BOOT SWITCH & Great Means of Procrastination! 8u) A500 Mother Board Layout (Rev 5 ) „FINALS WEEK! By Thomas Weeks, 5-6 1993 @ 1Meg (InterNet tweeks@texas.net) ROM R.S .: AS A COMMODORE AMIGA TECHNICIAN I Agnus Pin #41 (9th pin from right) MUST POINT OUT THAT THIS MOD IS NOT COMMODORE AUTHORIZED AND DOES WOID ANY COMMODORE WARRANTY! : ) Z0-690818 8372 M Pin #1 NOTE: Rev 5 and lower mother boards must extract the Agnus, carefully bend up pin 41 so as not to make contact with the socket, C812 and solder wire down to 7476 chip. Rev 6 & higher merely need cut jumper pad JP4 and solder from side "1" of it ( the non-ground side) to the 7476 chip. Also, be sure that capacitors are hooked up with correct polarity observed. Pins 4 & 6 of the 7476 go to the positive side of the cap ...