PE 1950 CentOS 5 Missing memory?

[Marc Wiatrowski]

I've got a PE 1950 running 32bit CentOS 5, PAE kernel with 8 2G sticks.
I should see 16G
right?  Or at least close to it?  

Unless I am missing something (which could be) all I see is 12G? 

I'm assuming from the omreport the bios sees the 16G but isn't letting
the OS have it?

I saw the post/replies on Jared's missing memory issue last month, but
I'm not running the 64bit OS 
nor anything xen...

thanks,
marc

uname -rv
2.6.18-92.el5PAE #1 SMP Tue Jun 10 19:22:41 EDT 2008

omreport system summary:
Memory
Total Installed Capacity   : 16384 MB
Memory Available to the OS : 12176 MB
Total Maximum Capacity     : 32768 MB
Memory Array Count         : 1

Memory Array 1
Location                   : System Board or Motherboard
Use                        : System Memory
Installed Capacity         : 16384 MB
Maximum Capacity           : 32768 MB
Slots Available            : 8
Slots Used                 : 8
ECC Type                   : Multibit ECC


trimmed dmidecode:
BIOS Information
        Vendor: Dell Inc.
        Version: 2.0.1
        Release Date: 10/27/2007
System Information
        Manufacturer: Dell Inc.
        Product Name: PowerEdge 1950
Processor Information
        Socket Designation: CPU1
        Family: Xeon
        Manufacturer: Intel
        Flags:
                PAE (Physical address extension)
Processor Information
        Socket Designation: CPU2
        Family: Xeon
        Manufacturer: Intel
        Flags:
                PAE (Physical address extension)

Physical Memory Array
        Maximum Capacity: 32 GB
        Number Of Devices: 8

Memory Device
        Size: 2048 MB
        Locator: DIMM1 
Memory Device
        Size: 2048 MB
        Locator: DIMM2 
Memory Device
        Size: 2048 MB
        Locator: DIMM3 
Memory Device
        Size: 2048 MB
        Locator: DIMM4 
Memory Device
        Size: 2048 MB
        Locator: DIMM5 
Memory Device
        Size: 2048 MB
        Locator: DIMM6 
Memory Device
        Size: 2048 MB
        Locator: DIMM7 
Memory Device
        Size: 2048 MB
        Locator: DIMM8 

top:
Mem:  12468388k total,  3911928k used,  8556460k free,   308576k buffers

/proc/meminfo:
MemTotal:     12468388 kB
MemFree:       8559312 kB
Buffers:        308576 kB
Cached:        3016624 kB
SwapCached:          0 kB
Active:        3490800 kB
Inactive:       268068 kB
HighTotal:    11660608 kB
HighFree:      8160420 kB
LowTotal:       807780 kB
LowFree:        398892 kB
SwapTotal:     8388592 kB
SwapFree:      8388592 kB
Dirty:            2016 kB
Writeback:           0 kB
AnonPages:      433724 kB
Mapped:         154076 kB
Slab:            95488 kB
PageTables:      39796 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  14622784 kB
Committed_AS:  1042420 kB
VmallocTotal:   116728 kB
VmallocUsed:      8008 kB
VmallocChunk:   108408 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

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