Thanks, The Cvt program have this "-r" option that calculates data for LCD screens. The older Gtf program apperantly only works for CRT screens. The pixel clock value derived now actually corresponds with the info from Samsung.
$ ./cvt 2560 1600 60 -r -v 1: [V FIELD RATE RQD] : 60.000000 2: [H PIXELS RND] : 2560.000000 2.5: [ASPECT_RATIO] : 16:10 2.5: [V SYNC] : 6.000000 3: [LEFT MARGIN (PIXELS)] : 0.000000 3: [RIGHT MARGIN (PIXELS)] : 0.000000 4: [TOTAL ACTIVE PIXELS] : 2560.000000 5: [V LINES RND] : 1600.000000 6: [TOP MARGIN (LINES)] : 0.000000 6: [BOT MARGIN (LINES)] : 0.000000 7: [INTERLACE] : 0.000000 8: [H PERIOD EST] : 10.129167 9: [Actual VBI LINES] : 45.413410 9: [VBI LINES] : 46.000000 10: [Minimum VBI Lines] : 15.000000 10: [ACT VBI LINES] : 46.000000 11: [TOTAL V LINES] : 1646.000000 12: [TOTAL PIXELS] : 2720.000000 13: [Non-rounded PIXEL FREQ] : 268.627197 13: [ACT PIXEL FREQ] : 268.500000 14: [ACT H FREQ] : 98.713234 15: [ACT FIELD RATE] : 59.971588 16: [ACT FRAME RATE] : 59.971588 20: [H BACK PORCH] : 80.000000 21: [H SYNC RND] : 32.000000 22: [H FRONT PORCH] : 48.000000 23: [V FRONT PORCH] : 3.000000 # 2560x1600 @ 60.00 Hz Reduced Blank (CVT) # field rate 59.97 Hz; hsync: 98.71 kHz; pclk: 268.50 MHz Modeline "2560x1600_60.00_rb" 268.50 2560 2608 2640 2720 1600 1603 1609 1646 +HSync -Vsync Regards //Lars This message posted from opensolaris.org
