[root@dvrdvs /] # getHardInfo
Start at 2016-06-26 16:32:37
Serial NO :1620150203AARR503146794WCVU 
V3.3.4 build 150616
softBase:/Platform/trunk:0
KernelVersion: V1.0.0 build 000000
dspSoftVersion: V5.0 build 150507
codecVersion: V5.0 build 150507
hardwareVersion = 0x0
encodeChans = 0
decodeChans = 16
alarmInNums = 0
alarmOutNums = 0
flashsize = 0x0
ramSize = 0x40000000
networksNums = 1
language = 1
devType

S-7816N-E2
bootPartition = 1
randomCode = 
[root@dvrdvs /] # 
[root@dvrdvs /] # free
              total         used         free       shared      buffers
  Mem:       526192       512260        13932            0       315152
 Swap:            0            0            0
Total:       526192       512260        13932
[root@dvrdvs /] #