Memory Protection
Advanced ECC
NOTE:
Advanced ECC uses single device data correction (SDDC) to detect and correct single and all multi-
bit error that occurs within a single DRAM chip. Both x4 and x8 SDDC are supported (x8 requires lockstep
mode).
Online Spare
NOTE:
Memory online spare mode (also known as rank spare mode) detects a rank that is degrading and
switches operation to the spare rank.
Lock-step mode
NOTE:
Memory Lockstep mode is used to correct a single x8 DRAM device failure on a DIMM. The DIMMs in
each paired memory channel must have identical HP part numbers.
Memory
One of the following
depending on Model
Type
HP SmartMemory
DDR3 Load Reduced (LRDIMM), Registered (RDIMM) or Unbuffered (UDIMM)
DIMM Slots Available
24 (12 DIMM slots per processor /4 channels per processor/3 DIMMs per
channel)
Maximum Capacity
(LRDIMM)
768GB (24 x 32GB LRDIMM @1066MHz)
Maximum Capacity
(RDIMM)
384GB (24x 16GB RDIMM @1333MHz)
Maximum Capacity
(UDIMM)
128GB (16 x 8GB UDIMM @1600MHz)
Maximum Capacity
(HDIMM)
768GB (24 x 32GB HDIMM @1333MHz)
NOTE:
HP memory from previous generation servers are not qualified or warranted with this HP ProLiant
Server. HP SmartMemory is required to realize the memory performance improvements and enhanced
functionality listed in this document for Gen8. For additional information, please see the HP SmartMemory
QuickSpecs at:
http://h18000.www1.hp.com/products/quickspecs/14225_na/14225_na.html
NOTE:
LRDIMM, RDIMM, UDIMM, and HDIMMs are all distinct memory technologies and cannot be mixed
within a server. The majority of ProLiant Gen8 servers support RDIMM, UDIMM and LRDIMM.
NOTE:
If only one processor is installed, only half the DIMM slots are available.
NOTE:
UDIMM max DIMM population is 16.
NOTE:
Depending on the memory configuration and processor model, the memory speed may run at
1866MHz, 1600MHz, 1333MHz, or 1066MHz. Please see Memory Population Table or the Online Memory
Configuration Tool at:
www.hp.com/go/ddr3memory-configurator
.
QuickSpecs
HP ProLiant DL380p Generation8 (Gen8)
Standard Features
DA - 14212 North America — Version 54 — December 20, 2013
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