Superdome 2 npartiton memory missing issue

[vpar]

Hi

HP-UX 11.31 superdome 2.

parstatus of SD2 report defferently with old machine like(rx series,etc).

On SD2, Total good memory 90G, ILM is 10 and
SLM is 84G. I can't see 2G.

On other machine, Total good memory is same with ILM+CLM.

On SD2;
OA-1CC1DE0A51BD> parstatus -p 2 -V
[Partition]

Partition Number : 2
Partition Name : BSSD9n2
Current Parspec Name : ps0002
Parspec Name at next boot : ps0002
State : Active
RunState : RUN_VPARS
OS Type : HPUX_11iV3
OS Type at next boot : HPUX_11iV3
Hyper Threading at activation : Enabled
Hyper Threading at next boot : Enabled
Active ILO :
Firmware Revision :
Total Good Memory Size : 96.0 GB <=
Total Memory Available : 96.0 GB
Total Interleave Memory : 10.0 GB <=
Total SLM : 84.0 GB <=
SLM at next boot : 84.0 GB
ILM granule size : 1024 MB
ILM granule size at next boot : 1024 MB
SLM granule size : 1024 MB
SLM granule size at next boot : 1024 MB
Max number of ILM granules possible : 1024
Max number of SLM granules possible : 1024


On rx8620;

#parstatus -p 0 -V
.
Core Cell : cab0,cell0
Core Cell Choice [0] : cab0,cell0
Core Cell Choice [1] : cab0,cell1
Total Good Memory Size : 32.0 GB
Total Interleave Memory: 24.0 GB
Total Requested CLM : 8.0 GB
Total Allocated CLM : 8.0 GB