Hp ProLiant DL360 G7 Server Manual de usuario descargar pdf (Pagina 39)

Hardware options installation 39

IMPORTANT: This server does not support mixing RDIMMs and UDIMMs. Attempting to mix

these two types causes the server to halt during BIOS initialization.

The memory subsystem may be populated with either RDIMMs or UDIMMs, but mixing the two types is not

supported. To determine DIMM characteristics, use the label attached to the DIMM and the following

illustration and table.

Item Description Definition

Size —

Rank 1R = Single-rank

2R = Dual-rank

4R = Quad-rank

Data width x4 = 4-bit

x8 = 8-bit

Memory speed 10600 = 1333-MHz

8500 = 1066-MHz

DIMM type R = RDIMM (registered)

E = UDIMM (unbuffered with ECC)

For the latest supported memory information, see the QuickSpecs on the HP website (http://www.hp.com).

Memory configurations

To optimize server availability, the server supports the following AMP modes:

• Advanced ECC—provides the greatest memory capacity for a given DIMM size, while providing up to

4-bit error correction. This mode is the default option for this server.

• Lockstep—provides enhanced protection over Advanced ECC mode while continuing to make all

installed memory available to the operating system. The server can continue to function if a single- or

mulit-bit memory failure within a single DRAM device occurs.

• Online spare memory—provides protection against failing or degraded DIMMs. Certain memory is

reserved as spare, and automatic failover to spare memory occurs when the system detects a DIMM that

is degrading and receiving a high rate of correctable memory errors. This allows DIMMs that have a

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Hp ProLiant DL360 G7 Server Manual de usuario Pagina 39