C&T ct65545 problem

Yan Seiner yan at seiner.com
Sun Oct 25 11:40:27 PDT 2009

I have a very, very old laptop - 1995 vintage - that I want to repurpose 
for a net-terminal.  It has a Chips and Technologies 65545 video 
chipset.  This works with X as I've run it in the past with both freeBSD 
and an older version of linux (something with a 2.4 kernel and an old 
version of xfree.)  I decided to upgrade this to a current version to 
get some net tools.  Now I can't get X to recognize the C&T chipset.

I am using xorg 7.4, with the chips driver.  X fails with:

(II) Primary Device is: ISA
(EE) No devices detected

Unfortunately I don't have pcmcia working either so I can't copy and 
paste quite yet.

I suspect that the driver cannot auto-probe the ISA bus and it's looking 
for some sort of IRQ or base address.  But how do I go about finding 
this?  I don't recall having to do anything special in the past, but who 



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