Fujitsu primequest 2400E2, Design Manual, Page: 22 / 137

PRIMEQUEST 2000 Series Design Guide
1.6 Features (2/7)

Memory Mirror Function
For details, refer to " 2.2 System Board (SB) ".
Full Mirror Mode (which allows mirroring for all the memory that is installed in a PPAR
block) and Partial Mirror Mode (which allows mirroring for only the memory on the Home
SB in a PPAR block) are supported.

Memory Spare Function
This function ensures uninterrupted system operation by pro-actively monitoring the
memory to detect a problem at the earliest possible time. Data is copied if a problem is
detected.

Memory Scale-up Board
Memory Scale-up Boards are used for expanding the memory capacity of the partitions.

Memory Scale-up Boards are only supported for the 2400E2/2400E3. A maximum of
three boards can be installed in a cabinet.

A maximum of 3TB can be installed in a single board.

Flexible I/O

Partitioning does not have any limitations on the placement of SBs and IOUs.

Flexible I/O enables the Reserved SB function by using alternative SBs.
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