32bit OS on 64Bit Hardware...

[Arjan van de Ven]

On Wed, 2006-05-31 at 16:42 -0400, Frank, Ryan W wrote:
> Hello all!
>  
> I am trying to build a DL-385 with AS 3.0 Update 7 32bit... The
> developer specified he wanted the 32bit os... Anywho.. the box posts
> with 8gb of RAM.  During the boot process I see the following message:
>  
> May 31 15:22:37 cltrsklccs01 kernel: BIOS-provided physical RAM map:
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 0000000000000000 -
> 000000000009f400 (usable)
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 000000000009f400 -
> 00000000000a0000 (reserved)
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 00000000000f0000 -
> 0000000000100000 (reserved)
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 0000000000100000 -
> 00000000f57f8000 (usable)
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 00000000f57f8000 -
> 00000000f5800000 (ACPI data)
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 00000000fdc00000 -
> 00000000fdc01000 (reserved)
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 00000000fdc10000 -
> 00000000fdc11000 (reserved)
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 00000000fec00000 -
> 00000000fec01000 (reserved)
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 00000000fec10000 -
> 00000000fec11000 (reserved)
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 00000000fec20000 -
> 00000000fec21000 (reserved)
> May 31 15:22:37 cltrsklccs01 syslog: klogd startup succeeded
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 00000000fee00000 -
> 00000000fee10000 (reserved)
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 00000000ff800000 -
> 0000000100000000 (reserved)
> May 31 15:22:37 cltrsklccs01 kernel:  BIOS-e820: 0000000100000000 -
> 00000001fffff000 (usable)
> May 31 15:22:37 cltrsklccs01 kernel: Warning only 4GB will be used.
> May 31 15:22:37 cltrsklccs01 kernel: Use a PAE enabled kernel.
> May 31 15:22:37 cltrsklccs01 kernel: 3200MB HIGHMEM available.
> May 31 15:22:37 cltrsklccs01 kernel: 896MB LOWMEM available.
>  
> When the OS comes up I only see 4gb of RAM.   I am using the SMP
> kernel (should support 8gb), and as far as I can tell PAE is
> enabled... 

are you really really sure you're using the right kernel?
(you conveniently cut that bit off the dmesg ;)