I had some problems with the  PowerEdge 1600SC and ACPI last August.
If I recall correctly ACPI would free - but still access some
memory. I recall that I did something ugly to make it work - but
did not have the time to look for the root cause.
If this problem still persists I can dig out the patch.
( To serve as a starting point for hunting the bug )

	Stephan

Christos Zoulas wrote:
> In article <000001c3feb4$3962a3c0$0d00a8c0@paq5>,
> Toru Nishimura <locore32@gaea.ocn.ne.jp> wrote:
> >On Thu, 22 Jan 2004 02:35:11 -0600 "Thomas T. Thai" <tom@minnesota.com> wrote:
> >> I might get a chance to load NetBSD on a Dell PowerEdge 8450 with 8 700 
> >> Mhz/2Mb L2 cache Xeon. Anyone had success with such a system or similar 
> >> hardware?
> >> 
> >> Thomas
> >
> >I have a glaring fresh Dell PowerEdge 1600SC sitting underneath a dinning table
> >this moment to fulfill the server installation request from one of my
> >friend.  It has two
> >2.8GHz Xeon with 2GB memory, ServerWorks chipsets,  and dual Intel GbE.  I
> >installed NetBSD to it to see if MP kernel was stable/useful with this hardware
> >combination, and found no immediate trouble after running parallel
> >./build.sh over
> >NFS mounted -current source tree.   SMP Linux kernel runs well too showing 4
> >processors (2 processor x 2 thread) inside.  A lengthy booting dmesg follows;
> >
> 
> If you make an ACPI kernel, you'll see 4 processors under netbsd too.
> 
> christos
>