Dell PowerEdge R910 Hardware Owner's Manual - Page 50

DDR Channel

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Message Causes Corrective Actions DIMM population violation: Memory riser DIMM Memory riser lockstep pair DIMM disabled. While mixing different rank memory modules, the lower rank memory modules are installed on slots 1 and 2 or on slots 5 and 6. Ensure that the memory modules are installed in a valid configuration. See "General Memory Module Installation Guidelines" on page 92. Please populate DIMM(s) with largest number of ranks in the lowest slot. DDR Channel Disabled. Memory riser lockstep pair DIMM disabled. Memory riser lockstep pair DIMM disabled. Please ensure each lockstep pair is installed correctly. 50 About Your System

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50
About Your System
DIMM population
violation:
Memory riser <x>
DIMM <y>
Memory riser <x>
lockstep pair
DIMM <x & y>
disabled.
Please populate
DIMM(s) with
largest number of
ranks in the
lowest slot.
While mixing different rank
memory modules, the lower
rank memory modules are
installed on slots 1 and 2 or
on slots 5 and 6.
Ensure that the memory
modules are installed in a
valid configuration. See
"General Memory Module
Installation Guidelines" on
page 92.
DDR Channel
Disabled.
Memory riser <x>
lockstep pair
DIMM <y & z>
disabled.
Memory riser <x>
lockstep pair
DIMM <y & z>
disabled.
Please ensure
each lockstep
pair is installed
correctly.
Message
Causes
Corrective Actions