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Re: Install on new iMac failing

I wrote:
This didn't fix the problem. So basically I now have a new problem, that
I can run a full install of wheezy (kernel 2.6.39-2) and set up GRUB and
sync the MBR etc etc, but the new system won't boot. It gives some
scrolling text for a minute or so, then gives interesting flashing
lights with no further progress.

Any advice, anyone? It appears it might be a kernel issue with some
incompatibility with the Apple hardware.

Another relevant point -- I couldn't do a graphical install. I just got a lot of square boxes instead of text on the screen. That made me think, new graphics processor! These new iMacs have an AMD Radeon HD 6750M GPU for graphics. Maybe the kernel doesn't recognize these yet? Anybody know? Here's the full hardware info for the graphics:

  Chipset Model:	AMD Radeon HD 6750M
  Type:	GPU
  Bus:	PCIe
  PCIe Lane Width:	x16
  VRAM (Total):	512 MB
  Vendor:	ATI (0x1002)
  Device ID:	0x6741
  Revision ID:	0x0000
  ROM Revision:	113-C2950H-136
  EFI Driver Version:	01.00.512
  Resolution:	1920 x 1080
  Pixel Depth:	32-Bit Color (ARGB8888)
  Main Display:	Yes
  Mirror:	Off
  Online:	Yes
  Built-In:	Yes
  Connection Type:	DisplayPort

Cheers,  Mike.

          Mike Hore        mike_hore@aapt.net.au

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