From Stephen, via Greg Etched in copper 1985 MERIT INDUSTRIES, INC CRT 200 REV E-1 .u40 2764 stickered TRIV 1 U40A with 'B' handwritten over it (C) 1985 MIT .u39 2764 stickered TRIV 1 U39 (C) 1985 MIT .u38 2764 stickered TRIV 1 U38 (C) 1985 MIT .u37 2764 stickered TRIV 1 U37 (C) 1985 MIT .u5 2764 stickered 6221-04 U5-0C with 'D' handwritten over it (C) 1985 MIT .u6 2764 stickered 6221-04 U6-0C with 'D' handwritten over it (C) 1985 MIT .U13 PAL10L8CN stickered DEC-002 10.0000 MHz Crystal Daughter board Etched in copper CRT 205A (C) 1985 MERIT INDUSTRIES, INC. If the CRT 205 etching is at the top left, .0 is the left most socket, .9 is the right most socket .0 27256 stickered 01 couldn't read whole sticker 1985 .1 27256 stickered 01 couldn't read whole sticker (C) 1985 .2 27256 stickered EX-01 '00' was handwritten over the '01' 02 (C) 1985 MIT .3 27256 stickered GEN-101 '002' was handwritten over the '101' 02 (C) 1985 MIT .4 27256 stickered ENT-001 '002' was handwritten over the '001' 02B '03' was hand written over the '02B' (C) 1985 MIT .5 27256 stickered ENT-001 '002' was handwritten over the '001' 02B The 'B' was crossed out (C) 1985 MIT .6 27256 stickered ENT-101 '002' was handwritten over the '101' 01A (C) 1985 MIT .7 27256 stickered 001 '002' was handwritten over the '001' '03' was hand written over something MIT sticker was hard to read .8 27256 stickered SPO-001 '002' was handwritten over the '001' 03B 'B' was crossed out (C) 1985 MIT .9 27256 stickered SPO-101 '002' was handwritten over the '101' 01A (C) 1985 MIT 20 Pin dip at top right - unreadable sticker - couldn't read what kind of chip it was MAME 0.124A C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.0 merit6.0 = 13 Trivia ? Whiz (Edition 3 - Horizontal) = 1 Trivia ? Whiz (Edition 3 - Vertical) C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.1 merit6.1 NO MATCH C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.2 merit6.2 = 15 Trivia ? Whiz (Edition 3 - Horizontal) C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.3 merit6.3 = 14 Trivia ? Whiz (Edition 3 - Horizontal) = 0 Trivia ? Whiz (Edition 3 - Vertical) C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.4 merit6.4 = 12 Trivia ? Whiz (Edition 3 - Horizontal) = 2 Trivia ? Whiz (Edition 3 - Vertical) C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.5 merit6.5 = 11 Trivia ? Whiz (Edition 3 - Horizontal) = 3 Trivia ? Whiz (Edition 3 - Vertical) C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.6 merit6.6 = 10 Trivia ? Whiz (Edition 3 - Horizontal) = 4 Trivia ? Whiz (Edition 3 - Vertical) C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.7 merit6.7 = 12 Trivia ? Whiz (Edition 3 - Horizontal) = 2 Trivia ? Whiz (Edition 3 - Vertical) C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.8 merit6.8 = 9 Trivia ? Whiz (Edition 3 - Horizontal) = 5 Trivia ? Whiz (Edition 3 - Vertical) C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.9 merit6.9 = 7 Trivia ? Whiz (Edition 3 - Horizontal) = 7 Trivia ? Whiz (Edition 3 - Vertical) C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.u5 merit6.u5 NO MATCH C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.u6 merit6.u6 NO MATCH C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.u13 merit6.u13 NOT A ROM C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.u37 merit6.u37 = trivia.u37 Trivia ? Whiz (Horizontal - Question set 1) = trivia.u37 Trivia ? Whiz (Horizontal - Question set 2) = u37 Trivia ? Whiz (Edition 3 - Horizontal) C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.u38 merit6.u38 = trivia.u38 Trivia ? Whiz (Horizontal - Question set 1) = trivia.u38 Trivia ? Whiz (Horizontal - Question set 2) = u38 Trivia ? Whiz (Edition 3 - Horizontal) C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.u39 merit6.u39 = trivia.u39 Trivia ? Whiz (Horizontal - Question set 1) = trivia.u39 Trivia ? Whiz (Horizontal - Question set 2) = u39 Trivia ? Whiz (Edition 3 - Horizontal) C:\Hardware\Dataio\roms\Other\merit6\roms>c:\hardware\dataio\roms\mame\mame -romident merit6.u40 merit6.u40 = u40 Trivia ? Whiz (Edition 3 - Horizontal)