I will try your latest build on my laptop which has an ATI card to see if i get the same problem on an ATI based system. This is the info i got back from the moninfo program:
Monitor
Manufacturer............. Samsung
Plug and Play ID......... SEC5541
Data string.............. 156AT05-T02
Serial number............ n/a
Manufacture date......... 2009, ISO week 0
Filter driver............ None
-------------------------
EDID revision............ 1.3
Input signal type........ Digital
Color bit depth.......... Undefined
Display type............. RGB color
Screen size.............. 340 x 190 mm (15.3 in)
Power management......... Not supported
Extension blocs.......... None
-------------------------
DDC/CI................... Not supported
Color characteristics
Default color space...... Non-sRGB
Display gamma............ 2.20
Red chromaticity......... Rx 0.620 - Ry 0.355
Green chromaticity....... Gx 0.300 - Gy 0.580
Blue chromaticity........ Bx 0.150 - By 0.090
White point (default).... Wx 0.313 - Wy 0.329
Additional descriptors... None
Timing characteristics
Range limits............. Not available
GTF standard............. Not supported
Additional descriptors... None
Preferred timing......... Yes
Native/preferred timing.. 1366x768p at 60Hz (16:9)
Modeline............... "1366x768" 72.330 1366 1414 1446 1526 768 770 775 790 -hsync -vsync
Standard timings supported
Report information
Date generated........... 28/09/2011
Software revision........ 2.60.0.964
Data source.............. Real-time 0x0100
Operating system......... 6.1.7600.2
Raw data
00,FF,FF,FF,FF,FF,FF,00,4C,A3,41,55,00,00,00,00,00,13,01,03,80,22,13,78,0A,CE,85,9E,5B,4C,94,26,
17,50,54,00,00,00,01,01,01,01,01,01,01,01,01,01,01,01,01,01,01,01,41,1C,56,A0,50,00,16,30,30,20,
25,00,58,C1,10,00,00,19,00,00,00,0F,00,00,00,00,00,00,00,00,00,1E,--BINGO! Either that, or I was attempting to say "before" but it was too many letters to type--,02,74,00,00,00,00,FE,00,53,
41,4D,53,55,4E,47,0A,20,20,20,20,20,00,00,00,FE,00,31,35,36,41,54,30,35,2D,54,30,32,0A,20,00,B8
What modeline do i need to add in the mame.ini file, what other options do i need to enable in the mame.ini for a laptop running win 7 with an ATI card?