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LockStep Feature (x8 SDDC)
In LockStep feature, the DIMMs in two groups corresponding to two memory channels (channels 0
and 1) is multiplexed and operated in parallel to enable x8 SDDC (x8 Single Device Data
Correction). With this feature, a single device can detect and correct one to eight-bit error.
IMPORTANT:
LockStep configuration, the memory channel 2 of each CPU (CPU1-
DIMM3/6, CPU2-DIMM3/6) is disabled.
The LockStep feature uses channels 0 and 1. In
Memory controller
Memory controller
Upgrading Your Server 9-47
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