I am attempting to get a viewsonic 17ga monitor working with a S3 86365 (Trio 3d) card. I am using rh6.0. I have upgraded to the newest svga server and the newest XFree (3.6 I think, working from memory here). I have succeeded in getting the Xserver to work except that the screen rolls. If I just had a vertical control nob I could fix the problem. The viewsonic does not have one though. My reading has lead me to believe that a bad vertical sync pulse will make the screen roll. Is there a way that I can repair this problem with xvidtune? Is there another way of fixing this? I'm at the end of my rope on this one. Thanks for the help H attached is tail of X -probeonly (**) FontPath set to "unix/:-1" (--) SVGA: PCI: S3 Trio3D rev 1, Memory @ 0xf4000000 (--) SVGA: S3V: Trio3D rev 1, Linear FB @ 0xf4000000 (--) SVGA: Detected S3 Trio3D (--) SVGA: using driver for chipset "s3_virge" (**) SVGA: videoram: 4096k (--) SVGA: Ramdac speed: 230 MHz (135 MHz for 24 bpp) (--) SVGA: Detected current MCLK value of 100.227 MHz (--) SVGA: chipset: s3_virge (**) SVGA: videoram: 4096k (**) SVGA: Using 24 bpp, Depth 24, Color weight: 888 (--) SVGA: Maximum allowed dot-clock: 135.000 MHz (--) SVGA: Interlace modes are not supported at 24 bpp (--) SVGA: Interlace modes are not supported at 24 bpp (--) SVGA: Interlace modes are not supported at 24 bpp (**) SVGA: Mode "1024x768": mode clock = 85.000 (**) SVGA: Mode "800x600": mode clock = 69.650 (--) SVGA: Virtual resolution set to 1024x768 (--) SVGA: s3_virge: Using hardware cursor -- To unsubscribe: mail [EMAIL PROTECTED] with "unsubscribe" as the Subject.