amd64 does not see all 4 GB RAM on tyan GT24

Norberto Meijome freebsd at
Tue Nov 8 02:51:37 PST 2005

Scott Long wrote:
> Claus Guttesen wrote:
>>>> Just received a Tyan GT24 with a S2891 board. In the
>>>> bios-setup-utility the board has 4 GB RAM, but when FreeBSD 6.0
>>>> release boot it only recognizes 3 GB. Dmesg:
>>> Please send the verbose boot output, specifically the lines that
>>> mention 'SMAP'.
>> Did a verbose boot but no lines mentioning SMAP. Verbose dmes is 
>> attached.
>> regards
>> Claus
> Not sure why the SMAP lines didn't get printed out.  Anyways, check your
> BIOS for a setting related to PCI-Express.  Some motherboards allow you
> to reclaim the 256MB hole that PCI-Express consumes.  That should help 
> your problem at least a little bit.

For what is worth, boot -v DOES show the SMAP info, but dmesg doesn't 
shoow them. I'll try to get this info somehow, as i don't have a 
s/console on this box.


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