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Populating DIMM Sockets
Populate the DIMM sockets in the following order: XMM1, XMM2 or Channel A, Channel B.
DIMM Socket Locations (HP Pro 3400 model shown)
Description Socket Color Insertion Order
XMM1 socket, Channel A (populate
first)
Blue
NOTE: HP Pro 3400: Black
1
XMM2 socket, Channel A
NOTE: HP Pro 3505 models label
this connector as XMM3.
Blue
NOTE: HP Pro 3400: Black
2
NOTE: A memory module must occupy the XMM1/Channel A socket.
The system will automatically operate in single channel mode, dual channel mode, or flex mode,
depending on how the DIMMs are installed.
●
The system will operate in single channel mode if the DIMM sockets are populated in one
channel only.
●
The system will operate in a higher-performing dual channel mode if the total memory capacity
of the DIMMs in Channel A is equal to the total memory capacity of the DIMMs in Channel B.
The technology and device width can vary between the channels. For example, if Channel A is
populated with one 1-GB DIMM and Channel B is populated with one 2-GB DIMM, the system
will operate in dual channel mode.
●
The system will operate in flex mode if the total memory capacity of the DIMMs in Channel A is
not equal to the total memory capacity of the DIMMs in Channel B. In flex mode, the channel
Memory 53