Alan Hourihane wrote: > On Mon, Jun 10, 2002 at 07:13:55 -0500, Watzlavick wrote: > > I realize you (nor I) have the schematics for the I-Opener, but do you know > > how apm interacts with DPMS? > > Not on the I-Opener. Sorry. > > Alan. > _______________________________________________ > > Newbie@XFree86.Org > *** To unsubscribe , or change message options, see: > http://XFree86.Org/mailman/listinfo/newbie The I-Opener is really just a dumbed-down laptop. In your experience, does the trident driver seem to turn off the backlight via DPMS on other laptops? If DPMS properly blanks the screen, can I assume it's basically working even if the backlight stays on? I can do some more research and debugging but I'm not sure where to begin. I was poking through the Cyberblade i7 Tech Ref Manual and I found the section talking about ENPBLT. I can't probe the pins directly because it's a BGA part - ideally, I'd look to see whether the driver was turning off the ENPBLT signal on the Cyberblade to see if it was a driver problem or if there was something in between the Cyberblade and display. The bios has three options for "video off method": DPMS support, blank screen, and V/H SYNC+blank. I've had it set to DPMS but maybe there's another circuit getting in the way. I'll try V/H SYNC to see if the display will take that. One more question if I may: what is the trident driver trying to do in the various DPMS states? That might help me understand the mechanism for backlight control on the I-Opener. If you can point me to the proper file, I can look to see what is going on. Thanks again, -Bob
