Mach64Gx not working on pmac 9500 (Was : tdfx & multiple voodoo cards : supposed to work ? + Mach64Gx question.)
Chris, can you have a look at this, and see if can provide this
information, by using a serial console, or maybe blindly typing :
# dmesg >somplace
and also by visual confirmation ?
On Thu, Oct 30, 2003 at 10:38:45AM +0100, Geert Uytterhoeven wrote:
> On Thu, 30 Oct 2003, Sven Luther wrote:
> > BTW, i had had reports from Chris Tillman about what seems an fbdev
> > failure on his 9500 powermac with 2.4.22 kernels. The pci greaphic cards
> > declares to be a Mach64GX, and lspci gives :
> > 00:0b.0 Host bridge: Apple Computer Inc. Bandit PowerPC host bridge (rev 02)
> > 00:0f.0 VGA comppatible controller: ATI Technolgies Inc 210888GX [Mach64 GX] (rev 02)
> > 00:10.0 Class ff00: Apple Computer Inc. Grand Central I/O (rev 02)
> > 00:0f.0 Class 0300: 1002:4758 (rev 02)
> > Flags: stepping, medium devsel, IRQ 25
> > Memory at 81000000 (32-bit, non-prefetchable)
> > Any idea on what is going on here (the kernel works, but there is no
> > video output).
> Mach64 GX is difficult to handle, since it needs an external clockchip and
> RAMDAC, unlike the later variants.
> The first thing to know is which external clockchip and RAMDAC are used on this
> particular board? Atyfb should print it during initialization, but it's better
> to do a visual verification on the board, too.
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- email@example.com
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> -- Linus Torvalds