Memory Loading Rules; Rp3440 Memory Configuration; System Firmware Requirements; Replacing Deallocated Memory Ranks - HP rp3440 Service Manual

1 GB DIMMs. Different size DIMMs can be installed in the server, but all four DIMMs in a quad
must be identical.

Memory Loading Rules

• DIMMs must be installed in server load sequence (the first DIMM must be in the first slot,
the second DIMM must be in the second slot, and so on).
• A minimum of 512 MB (2 x 256 MB DIMMs in a model A7136A server) or 1 GB (4 x 256 MB
DIMMs in a model A7136B server) of memory must be installed in a HP 9000 rp3410 server.
• Maximum memory is 6 GB.
• A minimum of two DIMMs (one pair) is required in the model A7136A server.
• A minimum of four DIMMs (one quad) is required in the model A7136B server.
• All DIMMs within a quad must be identical.

rp3440 Memory Configuration

The HP 9000 rp3440 supports DDR SDRAM DIMMs with ECC and chip spare protection. This
server has 12 DIMM slots, but maximum system memory is 32 GB due to cooling limitations.
Memory must be installed as quads (group of four). This enables memory configurations of four,
eight, or twelve DIMMs. Thus, the rp3440 server must include a minimum of 1 GB and can
include up to 24 GB of memory in combinations of 256 MB, 512 MB, 1 GB, and 2 GB DIMMs, or
32 GB of memory consisting of eight 4 GB DIMMs. Different size DIMMs can be installed in the
server (except when 4 GB DIMMs are used), but all four DIMMs in a quad must be identical.
NOTE:
There is only one configuration of 4 GP DIMMs that is supported: two (2) quads of 4
GP DIMMs. You cannot mix one quad of 4 GB DIMMs with any other quads.
Memory Loading Rules
• DIMMs must be installed in server load sequence (the first DIMM must be in the first slot,
the second DIMM must be in the second slot, and so on).
• Minimum memory is 1 GB (4 x 256 MB).
• Maximum memory is 32 GB (8 x 4 GB installed in the first eight slots—the remaining slots
must remain empty if 4 GB DIMMs are installed).
• Memory DIMMs must be installed in groups of four (quads).
• All DIMMs within a quad must be identical.
The memory subsystem supports chip spare functionality. Chip spare enables an entire SDRAM
chip on a DIMM to be bypassed (logically replaced) in the event that a multi-bit error is detected
on that SDRAM.
In order to use the chip spare functionality, only DIMMs built with x4 SDRAM parts are used,
and these DIMMs must be loaded in quads (two DIMMs per memory cell, loaded in the same
location in each memory cell).

System Firmware Requirements

If you are using 4 GB DIMMs in a HP 9000 rp3440 server, system firmware must be greater than
revision 45.10. Use the BCH FV command, or the iLO MP SR command to display the system
firmware revision status.

Replacing Deallocated Memory Ranks

This section provides the steps necessary to replace deallocated memory ranks.
Removing and Replacing System Memory 151