Fujitsu D2952 Technical Manual - Page 27

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3.2.4

Memory speed

The maximum DDR3 memory speed depends on the memory configuration on
one memory channel and on the CPU speed.
One DIMM per channel = max. 1333 MHz, two DIMMs per channel = max.
1333 MHz for 1.5 V memory / max. 1066 MHz for 1.35 V memory, three DIMMs
per channel = max. 800 MHz. The memory channel with the lowest speed
defines the speed of all CPU channels in the system.
RDIMM
1.5 V
1333 MHz
RDIMM
LV /1.35 V
1333 MHz
UDIMM 1.5 V
1333 MHz
UDIMM LV / 1.35 V
1333 MHz
* SR = single rank, DR = dual rank, QR = quad rank
** No memory modules released for this configuration
*** Lost LV-mode memory will automatically switch to 1,5 V Vcc
D2952 (BX924 S2)
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800, 1066, 1333
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800, 1066
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Technical Manual
Main memory
SR / DR
QR
Mix of SR + DR
Mix of QR + SR /DR
Mix of SR + DR
SR / DR
QR*
Mix of SR + DR
Mix of QR** + SR /DR
Mix of SR + DR***
SR / DR
Mix of SR + DR
SR / DR
Mix of SR + DR
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