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1.3 OPMA and M3295
OPMA stands for Open Platform Management Architecture which is initiated by
AMD. It defines a common hardware interface between the server platform and its
server management subsystem.
M3295 is OPMA compatible card. It’s also compatible with IPMI 2.0 and has dedicated
management NIC support. Dedicated management NIC provides high performance
and reliability.
M3291 M3295
Interface Tyan 2X25 Connector AMD OPMA
Management NIC Side-band(Shared) Dedicated
The specification is available for download from AMD website
http://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_8796_12498,00.html
OPMA spec defines three basic sets of functionality labeled M1, M2, and M3.
M1—The Value Solution
• Main feature = price
• IPMI 1.5 compatible
• No dedicated manageability NIC
M2—Reasonable Price with Security and Performance
• M1 base features plus dedicated management NIC
− Provides high performance and optimal security
• Access to hardware health data through BMC-based web server
− Implies a more powerful BMC CPU core, larger address space, more flash and
RAM
• Remote virtual mass storage
M3—High-End Solution with Graphics Console Redirection
• Features of the M3 functional tier are M2 plus KVMoIP*.
*KVMoIP---Keyboard, Video, and Mouse over Internet Protocol. Used for implementing remote video
consoles on headless (i.e., no local keyboard mouse or display) servers.