[OLPC-devel] 2316 revisions

Christopher Blizzard blizzard at redhat.com
Fri Jun 16 10:49:02 EDT 2006


Mark J. Foster wrote:
> Hi, Ron!
>> My monitor is lighting up!
> Congratulations!  Thanks again for all the hard work!
>> mkelfImage --command-line="console=ttyS0,115200 root=/dev/ram0 \ 
>> init=/sbin/init mem=128m"  linux-2.6.14-olpc/arch/i386/boot/bzImage \ 
>> bootidea
>> cp bootidea /tmp/olpcpayload.elf
>>
>> I don't know if I need the mem=128m any more, but there is a lot to 
>> do, so I'm not worrying about it. 
> The combination of both of these are important.  At least when I was 
> debugging with the Red Hat folks, using the 'mem=128' switch blew things 
> up, since that conflicts with the frame buffer RAM. I'd try something 
> like 'mem=112' or some such when trying to bring up graphics.  AFAIK, 
> the last time I checked VSA, it was reserving ~12KB for frame buffer, 
> but I have no idea if that's still current.

I never did poke around to try and find the right memory amount.  I 
think the Insyde BIOS was set up to reserve 8MB for the video ram, plus 
some odds and ends that were used for other resources.  128MB didn't 
work, but 96MB did.  I never did a binary search to find the right number.

--Chris




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