<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div>IHAC,<br><br>If my video card + monitor can do: "S3VIRGE(0): <br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">Modeline "1400x1050"x74.8 155.80 1400 1464 1784 1912 1050 1052 1064 1090 +hsync +vsync (81.5 kHz)", shouldn't it also be able to do:</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">"Modeline "1920x1080_67.50" 148.50 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync"</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"><br>I get: "S3VIRGE(0): Not using mode "1920x1080_67.50" (horizontal timing out of range)"<br><br>The horizontal timing range is: "Monitor0: Using hsync range of 30.00-81.00 kHz" and "Clock range: 10.00 to 270.00 MHz"<br><br>I calculated that v-refresh = 67.5 Hz, H-scan lines=60.0kHz and Dot clock = 148.5 MHz (for the 1920x1080 resolution) <br><br>All parameters are well within the reported ranges<br>Can you explain why it reports "(horizontal timing out of range)"?, the pixel clock is below its maximum and when I calculate the hsync range it fall within its range of 30.00-81.00 kHz?<br><br>(I'm running at 16 bits color depth).<br><br>Why is the Horizontal timing out of range and how can I verify it?<br class=""></div></div></body></html>