Datasheet

Memory Controller (Mbox)
34 Datasheet Volume 2 of 2
Note: The overall system configuration will resemble a full memory mirror configuration that
has gone through fail-over operation, where one or more Home Agent mirror pairs will
no longer be operating in mirror mode as the master agent(s) are mapped out/
decommissioned due to failures.
Figure 7-1. Partial Memory Mirroring (Within a Socket)
Figure 7-2. Partial Memory Mirroring (Between Connected Sockets)
Mem
Ctlr 1
Mem
Ctlr 2
MB
MB
Primary Mirror
Cores
Socket A
MB
MB
Mem
Ctlr 1
Mem
Ctlr 2
MB
MB
Non-Mirrored
Cores
MB
MB
Socket C
Mem
Ctlr 1
Mem
Ctlr 2
MB
MB
Non-Mirrored
Cores
MB
MB
Mem
Ctlr 1
Mem
Ctlr 2
MB
MB
Non-Mirrored
Cores
MB
MB
Socket B
Socket D
Mirrored
Mem
Ctlr 1
Mem
Ctlr 2
MB
MB
Primary
Mirror
Cores
Socket A
MB
MB
Mem
Ctlr 1
Mem
Ctlr 2
MB
MB
Non-Mirrored
Cores
MB
MB
Socket C
Mem
Ctlr 1
Mem
Ctlr 2
MB
MB
Cores
MB
MB
Mem
Ctlr 1
Mem
Ctlr 2
MB
MB
Non-Mirrored
Cores
MB
MB
Socket B
Socket D
Non-
Mirrored
Non-
Mirrored
Mirrored