HP Scanjet 5000 User Guide - Page 50

DIMM identification, Memory configurations

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DIMM identification To determine DIMM characteristics, use the label attached to the DIMM and the following illustration and table. Item 1 2 3 4 5 6 7 Description Capacity Rank Data width Memory generation Maximum memory speed CAS latency DIMM type Definition 8 GB 16 GB 32 GB 1R = Single-rank 2R = Dual-rank 4R = Quad-rank x4 = 4-bit x8 = 8-bit DDR4 2133 MT/s P = 15 R = RDIMM (registered) L = LRDIMM (load reduced) For more information about product features, specifications, options, configurations, and compatibility, go to the product QuickSpecs on the HP website http://www.hp.com/go/qs. Memory configurations To optimize server availability, the server supports the following AMP modes: ● Advanced ECC-provides up to 4-bit error correction and enhanced performance over Lockstep mode. This mode is the default option for this server. ● 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 42 Chapter 5 Hardware options installation

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DIMM identification
To determine DIMM characteristics, use the label attached to the DIMM and the following illustration and
table.
Item
Description
Definition
1
Capacity
8 GB
16 GB
32 GB
2
Rank
1R = Single-rank
2R = Dual-rank
4R = Quad-rank
3
Data width
x4 = 4-bit
x8 = 8-bit
4
Memory generation
DDR4
5
Maximum memory speed
2133 MT/s
6
CAS latency
P = 15
7
DIMM type
R = RDIMM (registered)
L = LRDIMM (load reduced)
For more information about product features, specifications, options, configurations, and compatibility, go to
the product QuickSpecs on the HP website
go/qs
.
Memory configurations
To optimize server availability, the server supports the following AMP modes:
●
Advanced ECC—provides up to 4-bit error correction and enhanced performance over Lockstep mode.
This mode is the default option for this server.
●
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
42
Chapter 5
Hardware options installation