Thanks Yairi.
The MellanoxOS version is:
CPDASWETH01 [mlag-vip-domain-tfe: standby] # show version
Product name: SX_PPC_M460EX
Product release: SX_3.4.0008
Build ID: #1-dev
Build date: 2014-11-10 20:07:43
Target arch: ppc
Target hw: m460ex
Built by: jenkins@fit74
Version summary: SX_PPC_M460EX SX_3.4.0008 2014-11-10 20:07:43 ppc
Product model: ppc
Host ID: 0002C963D900
Uptime: 39d 19h 8m 53.120s
CPU load averages: 1.23 / 1.34 / 1.35
Number of CPUs: 1
System memory: 572 MB used / 1455 MB free / 2027 MB total
Swap: 0 MB used / 0 MB free / 0 MB total