Memory Configurations - HP ProLiant ML100 Series User Manual

The memory subsystem may be populated with either RDIMMs or UDIMMs, but mixing th
supported. To determine
illustration and table.
Item Description
1 Size
2 Rank
3 Data width
4 Memory speed
5 DIMM type
For the latest supported memory information, see the QuickSpecs on the HP website
(http://www.hp.com).
Memo ry configurations
To optimize server availability, the server supports the following AMP modes:
•
Advanced ECC—provides the greatest memory capacity for a
to 8-bit error correction, depending on the specific DIMM typ
this server.
•
Lockstep—provides enhanced protection while making all installed memory available to the
operating system. The server can continue to function if a single- or mulit-bit memory failure within
single DRAM device occurs.
Advanced Memory Protection options are configured in RB
su pp orted by the installed DIMM configuration, the server b
information, see "HP ROM-Based Setup Utility
DIMM characteristics, use the label attached to the DIMM and the following
Definition
—
1R = Single-rank
2R = Dual-rank
4R = Quad-rank
x4 = 4-bit
x8 = 8-bit
10600 = 1333-MHz
8500 = 1067-MHz
R = RD IMM (registered)
E = UD IMM (unbuffered with ECC)
("ROM-Based Setu
given DIMM size, while providing up
e. This mode is the default option for
SU. If the requested AMP mode is not
oots in Advanced ECC mode. For more
p Utility" on page 30)."
Hardware options installation 20
e two types is not
a