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HP memory 4GB RDIMM

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HP memory 4GB RDIMM

NOTE: All DDR3 memory option kits consist of one DIMM per kit. For detailed memory configuration rules and guidelines, please use the Online DDR3 Memory Configuration Tool: www.hp.com/go/ddr3memory-configurator . DIMM installation rules: For servers with eighteen (18) memory slots: There are three (3) channels per processor; six (6) channels per server There are…
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NOTE: All DDR3 memory option kits consist of one DIMM per kit. For detailed memory configuration rules and guidelines, please use the Online DDR3 Memory Configuration Tool: www.hp.com/go/ddr3memory-configurator.

DIMM installation rules:

  • For servers with eighteen (18) memory slots:
    • There are three (3) channels per processor; six (6) channels per server
    • There are three (3) DIMM slots for each memory channel; eighteen (18) total slots
    • Memory channel 1 consists of the three (3) DIMMs that are closest to the processor
    • Memory channel 3 consists of the three (3) DIMMs that are furthest from the processor
  • DIMM slots that are white should be populated first
  • Do not mix Unbuffered memory (UDIMMs) with Registered memory (RDIMMs)
  • Do not install DIMMs if the corresponding processor is not installed
  • If only one processor is installed in a 2CPU system, only half of the DIMM slots are available
  • To maximize performance, balance the total memory capacity between all installed processors
  • It is not required, but it is recommended to load the channels similarly if possible
  • You can only have up to eight (8) ranks installed per channel
  • You can only install two quad-rank DIMMs per channel
  • You can only install two UDIMMs per channel; if available, the third slot in the channel must remain empty
  • Populate DIMMs from heaviest load (quad-rank) to lightest load (single-rank) within a channel
  • Heaviest load (DIMM with most ranks) within a channel goes furthest from the chipset
  • For memory mirroring mode, channel 3 must be unpopulated. Channels 1 and 2 are populated identically
  • For lock-step mode, channel 3 must be unpopulated. DIMMs in channels 1 and 2 will be installed in pairs. The paired slots will be 1,4; 2,5; 3;6 on a 3DPC system or 1,4; 2,5; on a 2DPC system
  • No mixing DIMM voltage; all DIMMs must be the same voltage
DIMM slot/capacity/populated speed table
DIMM Type -> Registered Dimms (RDIMMs) Unbuffered with ECC DIMMs (UDIMMs)
DIMM Rank -> Dual Rank (2R) Quad Rank (4R) Single Rank (1R) Dual Rank (2R)
DIMM Capacity -> 2GB 4GB 8GB 2GB 4GB 8GB 1GB 2GB 1GB 2GB
DIMM Native Speed (MHz) -> 1333 1333 1066 * 1066 * 1333 * * 1333
SLOTS THAT CAN BE POPULATED
18/12 slot servers 18 18 18 * 12 * 12 * * 12
*
MAXIMUM CAPACITY (GB)
18/12 slot servers 36 72 144 * 48 * 12 * * 24
POPULATED DIMM SPEED (MHz)
1 DIMM Per Channel 1333 1333 1066 * 1066 * 1333 * * 1333
2 DIMM Per Channel 1066 1066 1066 * 800 * 1066 * * 1066
3 DIMM Per Channel 800 800 800 * * * * * * *
* - not supported by HP at this time.

NOTES:

  • Mixing DIMM speeds is allowed, but the system processor speed rules always override the DIMM capabilities
  • If you do mix DIMM speeds, the memory bus will default to the minimum clock rate of all DIMMs in the system - even if the slower DIMM is on the other processor
  • If you install 1x 1066MHz DIMM in channel 1 and 1x 1333MHz DIMM in channel 2, you still run at 1066MHz
  • If you install 1x 1066MHz DIMM in channel 1 and 5x 1333MHz DIMMs with 1 DIMM Per Channel (DPC) in each of the other channels, you run at 1066MHz
  • If you install 3DPC in one channel (if applicable) and 1DPC in all other channels, you run at 800MHz
  • 95 Watt CPU's are required for 1333MHz DIMM speeds. All other CPU's are capable of up to 1066MHz
  • References to the above MHz speeds are for the various speeds of DDR3 DIMMs; 1333 refers to DDR3-1333, etc.
DIMM slot and configuration diagrams

Basic memory slot & population diagram

  • Population order; start with "A" first, "B" second, "C" third, etc.
18 DIMM SLOTS (9 per CPU node)
CPU1 CPU2
slot # population order slot # population order
Chnl 0 1 G 1 G Chnl 0
2 D 2 D
3 A 3 A
Chnl 1 4 H 4 H Chnl 1
5 E 5 E
6 B 6 B
Chnl 2 7 I 7 I Chnl 2
8 F 8 F
9 C 9 C

Standard memory configuration (1 CPU model)

  • 4GB, consisting of three (2) 2GB dual-rank PC3-10600 RDIMMs (Base model)
CPU1 CPU2
slot # population order slot # population order
Chnl 1 1 G; empty 1 G; empty Chnl 1
2 D; empty 2 D; empty
3 A; 2GB DIMM 3 A; empty
Chnl 2 4 H; empty 4 H; empty Chnl 2
5 E; empty 5 E; empty
6 B; 2GB DIMM 6 B; empty
Chnl 3 7 I; empty 7 I; empty Chnl 3
8 F; empty 8 F; empty
9 C; empty 9 C; empty

Standard memory plus optional memory (1 CPU model)

  • 60GB, consisting of two (2) 2GB RDIMMs plus seven (7) 8GB RDIMMs
    • 2x 2GB dual-rank PC3-10600 RDIMMs
    • 7x 8GB dual-rank PC3-8500 RDIMMs
CPU1 CPU2
slot # population order slot # population order
Chnl 1 1 G; 8GB DIMM 1 G; empty Chnl 1
2 D; 8GB DIMM 2 D; empty
3 A; 2GB DIMM 3 A; empty
Chnl 2 4 H; 8GB DIMM 4 H; empty Chnl 2
5 E; 8GB DIMM 5 E; empty
6 B; 2GB DIMM 6 B; empty
Chnl 3 7 I; 8GB DIMM 7 I; empty Chnl 3
8 F; 8GB DIMM 8 F; empty
9 C; 2GB DIMM 9 C; empty

Standard memory replaced with optional memory (1 CPU model)
RDIMM maximum configuration

  • 72GB, consisting of nine (9) 8GB dual-rank PC3-8500 RDIMMs
CPU1 CPU2
slot # population order slot # population order
Chnl 1 1 G; 8GB DIMM 1 G; empty Chnl 1
2 D; 8GB DIMM 2 D; empty
3 A; 8GB DIMM 3 A; empty
Chnl 2 4 H; 8GB DIMM 4 H; empty Chnl 2
5 E; 8GB DIMM 5 E; empty
6 B; 8GB DIMM 6 B; empty
Chnl 3 7
I; 8GB DIMM
7 I; empty Chnl 3
8 F; 8GB DIMM
8 F; empty

UDIMM maximum configuration (1 CPU model)

  • 12GB, consisting of six (6) 2GB dual-rank PC3-10600 UDIMMs
CPU1 CPU2
slot # population order slot # population order
Chnl 1 1 G; empty 1 G; empty Chnl 1
2 D; 2GB DIMM 2 D; empty
3 A; 2GB DIMM 3 A; empty
Chnl 2 4 H; empty 4 H; empty Chnl 2
5 E; 2GB DIMM 5 E; empty
6 B; 2GB DIMM 6 B; empty
Chnl 3 7 I; empty 7 I; empty Chnl 3
8 F; 2GB DIMM 8 F; empty
9 C; 2GB DIMM 9 C; empty

Standard memory replaced with optional memory (2 CPU model)
RDIMM maximum configuration

  • 144GB, consisting of eighteen (18) 8GB dual-rank PC3-8500 RDIMMs
CPU1 CPU2
slot # population order slot # population order
Chnl 1 1 G; 8GB DIMM 1 G; 8GB DIMM Chnl 1
2 D; 8GB DIMM 2 D; 8GB DIMM
3 A; 8GB DIMM 3 A; 8GB DIMM
Chnl 2 4 H; 8GB DIMM 4 H; 8GB DIMM Chnl 2
5 E; 8GB DIMM 5 E; 8GB DIMM
6 B; 8GB DIMM 6 B; 8GB DIMM
Chnl 3 7 I; 8GB DIMM 7 I; 8GB DIMM Chnl 3
8 F; 8GB DIMM 8 F; 8GB DIMM
9 C; 8GB DIMM 9 C; 8GB DIMM

UDIMM maximum configuration (2 CPU model)

  • 24GB, consisting of twelve (12) 2GB dual-rank PC3-10600 UDIMMs
CPU1 CPU2
slot # population order slot # population order
Chnl 1 1 G; empty 1 G; empty Chnl 1
2 D; 2GB DIMM 2 D; 2GB DIMM
3 A; 2GB DIMM 3 A; 2GB DIMM
Chnl 2 4 H; empty 4 H; empty Chnl 2
5 E; 2GB DIMM 5 E; 2GB DIMM
6 B; 2GB DIMM 6 B; 2GB DIMM
Chnl 3 7 I; empty 7 I; empty Chnl 3
8 F; 2GB DIMM 8 F; 2GB DIMM
9 C; 2GB DIMM 9 C; 2GB DIMM