[CentOS] PXE booting HP BL25p - Smart Array extended bios dataarea problem

[Miskell, Craig]

> On Fri, Jun 09, 2006 at 12:25:16PM +1200, Miskell, Craig wrote:
> > 5) Playing with memmap to exclude mem from 610-640K from 
> being used by
> > the kernel.  
> 
> How about these kernel options ?
> 
>         memmap=exactmap [KNL,IA-32] Enable setting of an exact
>                         E820 memory map, as specified by the user.
>                         Such memmap=exactmap lines can be 
> constructed based on
>                         BIOS output or other requirements. 
> See the memmap=nn at ss
>                         option description.
> 
>         memmap=nn[KMG]$ss[KMG]
>                         [KNL,ACPI] Mark specific memory as reserved.
>                         Region of memory to be used, from ss to ss+nn.
I used memmap=3K$637K to avoid the 3K segment just below 640K (which my
BIOS diagnostics told me was reserved), with no luck.  I bumped that up
to memmap=30K$610K (lots of padding), also without luck. 

Similarly, I have tried:
memmap=240M at 16M (no luck)
And
mem=240M at 16M ( no luck)

as there seems to be some varying opinions on the 'net as to which of
those is correct syntax.  

Of course, I might be wrong about the base cause in which case none of
this is relevant ;-)

Ta,
Craig
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