Cirrus Logic GD7548 (PCI) and Xfree 4.2.1

Cirrus Logic GD7548 (PCI) and Xfree 4.2.1

Post by Harald Je » Thu, 13 Mar 2003 23:57:37

Hi there,

can't run the X-Server (v4.2.1) on a Compaq Armada 4100 with the Cirrus Logic
GD7548 PCI ("Alpine") Chip even in VGA Mode with 8 bit colors.
The error occured is a "i2c inizialitation failed".

As I understand this (older) chip does not work with i2c -- but how to disable
this in that case ??
OR is this a completely different bahnhof ??

Did not find any information on and disabled parameters like DDC,
DBE, VBE, extmod etc. but it wont work.


Thanx gys



1. XFree 4, Sharp 9070, Cirrus Logic CL-GD7548 chipset

I'm posting this so that hopefully someone finds it useful.  I have an
old Sharp 9070 notebook with the Cirrus Logic CL-GD7548 video chipset.
 I've found lots of information about problems with the video chipset,
but few people talking about solutions on how to get it to work.

xf86config failed to produce a working xf86config file.  I had been
running Redhat 6.2 earlier with a working xfree (3.x) and noticed that
I had configured it to use the "clgd5436" and I tried to do the same
and that failed.

Finally, I configured it as a clgd5436 but set the driver to "vesa"
instead of "vga".

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