Fujitsu PRIMERGY TX300 S4 Options Manual page 32

Equipping rules
Equipping the modules
DIMM 4B
DIMM 4A
DIMM 3B
DIMM 3A
DIMM 2B
DIMM 2A
DIMM 1B
DIMM 1A
Figure 15: Configuration of the main memory
– The memory banks have to be populated sequentially top down in pairs of
FBD PC2-4200F or FBD PC2-5300 Fully Buffered DIMM memory modules.
– Each pair consists of identical memory modules.
– The memory module capacity can differ for the various memory banks: e.g.
memory bank 2A/2B can be equipped with two 512 Mbyte memory modules,
and memory bank 1A/1B with two 1 Gbyte memory modules.
There are three modes of operation for the main memory:
– Non-mirrored mode
– Mirrored mode (recommended)
– Sparing mode
Depending on the mode of operation there are different population require-
ments.
Non-mirrored mode
Using one memory riser card the module population is as follows:
1A + 1B (minimum configuration) - 2A + 2B - 3A + 3B - 4A + 4B
Using two memory riser cards the population can be alternating (higher perfor-
mance) or consecutive.
32 Options Guide
Main memory
DIMM 4D
DIMM 4C
DIMM 3D
DIMM 3C
DIMM 2D
DIMM 2C
DIMM 1D
DIMM 1C
DIMM C/D
DIMM A/B
TX300 S4