(In reply to comment #6)
> Created attachment 107113 [details]
> Kernel messages, round 1
> 
> Good news; I have some kernel messages to attach.  These were gained using
> netconsole, which was on another machine.  It seems to me that it detects
> the radeon FireMV2400 (although it never mentions it by name), and detects
> two of the four connectors (I'm assuming two that are connected to the same
> chip; this card has 2 chips with 2 displays each; total of 4 displays).

If netconsole works, can you get remote access to the box (e.g., ssh) as well
or does it hang completely?