Chapter 1. General description 19
The Power 770 and Power 780 have memory features in 32 GB, 64 GB, 128 GB, and 256 GB
capacities. Table 1-7 summarizes the capacities of the memory features and highlights other
characteristics.
Table 1-7 Summary of memory features
None of the memory in these features is active. FC EMA2 or FC EMA3 must be purchased to
activate the memory. Table 1-8 outlines the memory activation feature codes and
corresponding memory capacity activations.
Table 1-8 CoD system memory activation features
Feature
code
Memory
technology
Capacity Access
rate
DIMMs DIMM slots
used
FC EM40 DDR3 32 GB 1066 MHz 4 x 8 GB DIMMs 4
FC EM41 DDR3 64 GB 1066 MHz 4 x 16 GB DIMMs 4
FC EM42 DDR3 128 GB 1066 MHz 4 x 32 GB DIMMs 4
FC EM44 DDR3 256 GB 1066 MHz 4 x 64 GB DIMMs 4
Feature
code
Activation
capacity
Additional information OS
support
FC EMA2 1 GB Activation of 1 GB of DDR3 POWER7+ memory. Each
occurrence of this feature permanently activates 1 GB
of DDR3 POWER7+ memory.
AIX
IBM i
Linux
FC EMA3 100 GB Activation of 100 GB of DDR3 POWER7+ memory.
Each occurrence of this feature permanently activate
100 GB of DDR3 POWER7+ memory.
AIX
IBM i
Linux
FC 7954 N/A On/Off Memory Enablement: This feature can be
ordered to enable your server for On/Off Capacity on
Demand. After it is enabled, you can request memory
on a temporary basis. You must sign an On/Off
Capacity on Demand contract before this feature is
ordered. To renew this feature after the allowed
999 GB days have been used, this feature must be
removed from the system configuration file and
reordered by placing an MES order.
AIX
IBM i
Linux
FC 4710 N/A On/Off 999 GB-Days, Memory Billing POWER7+:
After the ON/OFF Memory function is enabled in a
system, you must report your on/off usage to IBM at
least monthly. This information, used to compute your
billing data, is provided to your sales channel. The
sales channel will place an order on your behalf for the
quantity of this feature that matches your reported use.
One FC 4FC 4710 feature must be ordered for each
999 billable days for each 1 GB increment of
POWER7+ memory that was used.
AIX
IBM i
Linux