bdragon@cogitate:~$ ssh root@talos
Last login: Tue Oct 22 12:40:46 2019 from dyn-93.east.rtk0.net
FreeBSD 13.0-CURRENT (BDRAGON-PERF) #1 92db7f9bfaf-c263678(superglue)-dirty: Tue Oct 22 11:32:45 CDT 2019

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Welcome to FreeBSD!

root@talos:~ # ofwdump -p /memory@0
Node 0x2923c: memory@0
  device_type:
    6d 65 6d 6f 72 79 00 
    'memory'
  ibm,associativity:
    00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 
  ibm,chip-id:
    00 00 00 00 
  phandle:
    00 00 00 d1 
  reg:
    00 00 00 00 00 00 00 00 00 00 00 20 00 00 00 00 
root@talos:~ # ofwdump -a | grep memory@
  Node 0x2923c: memory@0
  Node 0x292c0: memory@200000000000
    Node 0x305ec: ibm,firmware-allocs-memory@35ec0000
    Node 0x30644: ibm,firmware-allocs-memory@200000000000
root@talos:~ # ofwdump -p /memory@200000000000
Node 0x292c0: memory@200000000000
  device_type:
    6d 65 6d 6f 72 79 00 
    'memory'
  ibm,associativity:
    00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 02 00 00 00 08 
  ibm,chip-id:
    00 00 00 08 
  phandle:
    00 00 00 de 
  reg:
    00 00 20 00 00 00 00 00 00 00 00 20 00 00 00 00 
root@talos:~ #