Hi,

Valeriy E. Ushakov wrote:

> It might be a useful project if all you plan to do it to use this
> machine as a sh3 development box (serial console, CF network card,
> root/swap on NFS).  However, if the companion chip is something
> proprietary, the efforts to support it will not pay off.
> 
> PS: I tried to find out what is the companion chip in 54x, but I
> can't.  "F1796" that hpcsh port page lists doesn't tell anything.
> There is a teardown report for 548 with all the photos at
> www.teardown.com, but it costs money to access.

What is the companion chip used for? Display etc?

I was able to boot a NetBSD hpcsh kernel on my 545 in the past, with a 
small ramdisk image, and log in via the serial terminal, but the display 
does not work of course.

Regards,

Ross..