decoding dmidecode memory output on an AIX XE310 compute node
 

I'm helping plan memory upgrades to a server used in a high performance computing cluster. The nodes have model number AIX XE310. The sysadmin does not have records of the current memory configuration and downtime would be a hassle for my colleagues. I'm trying to understand the output of dmidecode to determine the memory configuration, but am confused.

Link to AIX XE310 user's guide

The system surely has a total of 4 GB of memory:
and I am under the impression that it has 8 slots. However, the output from dmidecode doesn't seem to make that clear. The first section lists "Number Of Devices: 8", which I believe refers to 8 slots. However there are only 4 sections, which follow, and they seem to indicate a total of 2 GB of ram.

I am I missing something?

Many thanks,
vale

dmidecode isn't always accurate, but you are very likely to have 8 slots (devices).

2 of the used ones are detected properly, the other 2 are not.

OK, fair enough. Does anyone have other suggestions for determining the memory configuration without opening up the chassis? lshw is not installed on the machine and I do not have the ability to install programs. I never directly have root access, but I can request the output of some commands via an email to the sysadmin (a la the output in my first post). (edit: capitalization)