No arquivo /boot/loader.conf tem que estar presente a seguinte linha:

hw.physmem="4G"                # Limit physical memory. See loader(8)

apesar de so ter .5G de ram descobri isso lendo o /boot/defaults/loader.conf...

Mosconi

On Thu, Jun 09, 2005 at 11:33:19AM -0300, Marcelo V. Lima wrote:
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> blz, mas e como eu habilito os 4 gb de ram? pq o padrao (GENERIC) fica
> limitado a 1gb
> 
> - --
> Marcelo Veriato Lima
> Administra� de Redes/Servidores
> Fone: (11) 31770700 r343 / UIN: 235332632
> - -----------------------------------------------------------------
> Catho Online: o melhor site de empregos do Brasil - 130.000 vagas
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> 
> 
> 
> Luiz Ot�o Souza wrote:
> > From: "Marcelo V. Lima" <[EMAIL PROTECTED]>
> > 
> >> mas nao eh o PAE que habilita high memory?
> > 
> > 
> > O PAE habilita o acesso a mais de 32bits de memoria (4GB RAM) e tem
> > varios problemas e limites na sua implementa�.
> > 
> > Esse assunto surgiu na lista do DFBSD recentemente, veja abaixo:
> > 
> > 
> >> On Wed, Jun 08, 2005 at 10:18:02AM -0700, Matthew Dillon wrote:
> >> >     We don't have any PAE code in DragonFly.  I don't currently intend
> >> >     to add it... it's a severe hack.i [snip]
> >>
> >>
> >> Let me elaborate a bit more on this. PAE makes the kernel work a lot
> >> harder, because the kernel can't access all memory at the same time.
> >> This means that you have to be a lot more careful when accessing
> >> memory, since it might currently not be present.
> >>
> >> It also adds the general problem of 64bit machines in that many PCI
> >> bus master devices still only support "low" memory (below 4GB). For
> >> this reason you often don't gain anything from using it e.g. for
> >> buffer caching, since you have to copy it into the low memory or
> >> reverse before doing IO.
> >>
> >> Joerg
> > 
> > 
> > 
> > Luiz - loos
> > PS: essa mensagem do dfbsd precisa de duas tradu�s, uma para o
> > portugues e outra para linguagem de usuario... isso que �alar dificil...
> > 
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> > 
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