List of chips added by inserting ROM EX204 ver5.41 74154 (requires 24-pin cable) 74240 74241 74244 74245 74299 74354 74356 (display shows 74354 for good test) 74373 74375 74533 (display shows 74373 for good test) 74534 (display shows 74373 for good test) 74563 74573 (display shows 74373 for good test) 74574 (display shows 74563 for good test) 74640 (display shows 74245 for good test) 74643 (display shows 74245 for good test) 74646 (requires 24-pin cable) 74648 (display shows 74646 for good test) & (requires 24-pin cable) 74658 74903 4305 4306 4512 4515 (requires 24-pin cable) 4519 4520 4723 (probably a misprint in the book I suppose it should be 4523) ------------------------------------- List of chips added by inserting ROM EX205 ver5.42 1488 1489 4000 4008 4021 4027 4076 4099 4522 4526 7407 7417 7423 7425 7446 7447 7450 7451 7453 7455 7460 7462 7464 7465 7470 7471 7472 7485 7495 74108 74109 74112 74113 74114 74125 74126 74133 74135 74148 74150 (requires 24-pin cable) 74155 74156 74168 74169 74180 74182 74184 74185 74190 74191 74192 74193 74194 74198 74199 74386 74390 74393 74808 74832