HP ProLiant Series ML100 - Manual (Page 21)

For the latest memory configuration information, see the QuickSpecs on the HP website
//www.hp.com ( http: ).
RDIMM maximum memory configurations
maximum memory con with 4-GB RDIMMs.
Single-processor rocessor
The following table lists the
Rank
figuration possible
Dual-p
Single-rank 24 GB 48 GB
Dual-rank 24 GB 48 GB
Quad-rank 24 GB 48 GB
UDIMM maximum memory configurations
ith one processor and 24 GB with two processors using 2-GB
Advanced ECC memory configuration
Advanced ECC memory is the default memory protection mode for this server. Standard ECC can correct
hen multi-bit errors are detected using
Standard ECC, the error is signaled to the server and causes the server to halt.
ed ECC protects the server against some multi-bit memory errors. Advanced ECC can correct both
e re on the same DRAM device on the
ause it is possible to correct certain
ult in a server failure. The server provides
re-defined threshold rate.
Lockstep memory configuration
cks ors that occur on the same DRAM device.
cks and x8 DIMM types. The DIMMs in
each channel must have identical HP part numbers.
Channel 3 is not populated. Because channel 3 cannot be
r than Advanced ECC
General DIMM slot population guidelines
y
cessors as evenly as possible.
• Do not mix Unbuffered and Registered PC3 DIMMs.
• Each channel supports up to two Unbuffered DIMMs.
The server supports a maximum of 12 GB w
single- or dual-rank UDIMMs.
single-bit memory errors and detect multi-bit memory errors. W
Advanc
singl -bit memory errors and 4-bit memory errors if all failed bits a
DIMM.
Advanced ECC provides additional protection over Standard ECC bec
memory errors that would otherwise be uncorrected and res
notification that correctable error events have exceeded a p
Lo tep mode provides protection against multi-bit memory err
Lo tep mode can correct any single DRAM device failure on x4
Lockstep mode uses channel 1 and channel 2.
populated when using Lockstep mode, the maximum memory capacity is lowe
mode. Memory performance with Advanced ECC is also slightly higher.
Observe the following guidelines for all AMP modes:
• Populate DIMM slots for a processor only if the processor is installed.
• To maximize performance in multi-processor configurations, distribute the total memory capacit
between all pro
Hardware options installation 21