[LinuxBIOS] Booting LinuxBIOS on an EPIA-V

Ben Hewson ben at hewson-venieri.com
Fri Aug 25 19:48:37 CEST 2006

I assume the EPIA-V board is the oldest version ? VIA on their website
only mention

EPIA EK , CN, EN, SP, ML, MII, M, but no V

Anyway I have tried to get linuxbios to boot on my EPIA 5000 (vt8601
I do not even get any comms from the serial port. Have checked the cable
is ok, by
booting normally.

I only have 100Mhz memory installed, as it was going spare. Could this
be a reason why
it does not work ? Anyway have just downloaded the vt8601 datasheet so
will have a read
through it and the code when I get some time and go through the code.
Perhaps I will try
and get some 133Mhz ram and try with that also.

> On 8/24/06, Fredrik Tolf <fredrik at dolda2000.com> wrote:
>> It was indeed set to 115200 N81, but I just experimented a bit and found
>> that it worked on 19200 baud (with some garbage at the top, though). :)
> Oh thats right.. There is some freaky divider issue with the EPIA...
> Need to document that somewhere.
>> Slot 00 is SDRAM 08000000 bytes ^M$
>> 0100 is the chip size^M$
>> 000e is the MA type^M$
>> Slot 01 is empty^M$
>> Slot 02 is empty^M$
>> Slot 03 is empty^M$
>> vt8601 done^M$
>> Copying LinuxBIOS to ram.^M$
>> Jumping to LinuxBIOS.^M$
>> I guess that's a pretty good indication that RAM isn't working, right?
> Yeah.  Look in the code and you will find a simple RAM test.  It will
> show lots of bit errors and then total failure.
>> So to get back to debugging this, do you have any idea of a time when
>> the 8601 code was working?
> Sorry no.. You will just have to go through the entire log and pull
> revs all revs that deal with the 8601.  Sorry I don't have any more
> info.  Most of the people who worked on that don't seem to be on the
> list anymore.
>  Was it while LinuxBIOS existed in Subversion
>> (there was a CVS repo some years ago, wasn't there)?
> Right but Stefan back ported all the stuff to svn.

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