On 4/22/06, Mike Cohler <mike.cohler@xxxxxxxxx> wrote: > On 4/21/06, Mike Cohler <mike.cohler@xxxxxxxxx> wrote: > > I have a freshly installed FC5 system on a machine that was running > > FC4 until today. > > It has an Athlon processor and an onboard Trident Cyberblade graphics > > card, as well as a Radeon 7000 PCI card, and the monitor is plugged > > into the Radeon card. > > > > It would not do a graphical install at all, so I did a text install - > > and this appeared successful. > > > > However, once complete it refused to enter firstboot - and crashed as > > soon as X tried to start. > > I have been unable to get past that point ! I had severe problems > > last year - see > > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=169637 > > for the problems relating to fc4. > > Having had some thoughts overnight I think that the basic problem may > be that during install the installer recognised the Trident on-board > graphics card and selected this as the card to use instead of the > PCI radeon card to which the monitor was plugged in. The monitor was > nevertheless detected correctly by the probe. > > I therefore wonder if it is possible to select which graphics card the > system uses by a kernel parameter when the installer starts (assuming > I re-installed from scratch) ? For example is it possible to select > pci=reverse or somesuch or does anyone know the details of the kernel > parameters to be able to say what other options might work ? Cetainly > noacpi, noapic and selecting resolution all make no difference. > > If the monitor is connected to the onboard Trident socket then the > screen is not displaying anything once the system boots so I presume > the BIOS detects the monitor - this is all very puzzling and I am not > sure if it is something simple to cure or if I should unplug the PCI > graphics card and stick with the old on-board one. > > Mike > > > -- > > mike cohler > If you are not using the Trident adapter go into the BIOS and disable it.