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Memory Compatibility

 
Joelmel Roche
Valued Contributor

Memory Compatibility

Good Day Masters.. Just want to ask if memory/DIMMS of RP8420 machine is compatible to RP8400 machine? Is it okay to install memory of RP8420 to RP8400?

5 REPLIES 5
Jeeshan
Honored Contributor

Re: Memory Compatibility

match the part number from HP site, that which model is compatible with.
a warrior never quits

Re: Memory Compatibility

I'm not going to ask why you want to put more memory in an older and slower system...

but the memory from a rp8400 cell board can be retained if upgrading to a sx1000 cell board as part of an upgrade to a rp8420... so one would imagine that rp8420 memory would work in a rp8400. However I'm not sure if some of the higher density memory is supported in the rp8400.

Check what memory you have in the rp8420 using:

echo "scl q mem;info;wait;infolog" | cstm

ANd indicate which memory you want to move.

HTH

Duncan

Accept or Kudo
Joelmel Roche
Valued Contributor

Re: Memory Compatibility

these are the DIMMS that will transfer to rp8400.


-- Information Tool Log for MEMORY on path 3/5 --

Log creation time: Thu May 29 15:53:49 2008

Hardware path: 3/5


Basic Memory Description

Module Type: MEMORY
Total Configured Memory : 61440 MB
Page Size: 4096 Bytes

Memory interleaving is supported on this machine and is ON.

Memory Board Inventory

CAB/CELL: 0/0

DIMM A DIMM B
Slot Size (MB) Size (MB)
---- --------- ---------
0 2048 2048
1 2048 2048
2 2048 2048
3 2048 2048
4 0 0
5 0 0
6 0 0
7 0 0

Cell Total (MB): 16384
-------------------------------------------------

CAB/CELL: 0/1

DIMM A DIMM B
Slot Size (MB) Size (MB)
---- --------- ---------
0 2048 2048
1 2048 2048
2 2048 2048
3 2048 2048
4 0 0
5 0 0
6 0 0
7 0 0

Cell Total (MB): 16384
-------------------------------------------------

CAB/CELL: 0/2

DIMM A DIMM B
Slot Size (MB) Size (MB)
---- --------- ---------
0 2048 2048
1 2048 2048
2 2048 2048
3 2048 2048
4 0 0
5 0 0
6 0 0
7 0 0

Cell Total (MB): 16384
-------------------------------------------------

CAB/CELL: 0/3

DIMM A DIMM B
Slot Size (MB) Size (MB)
---- --------- ---------
0 2048 2048
1 2048 2048
2 2048 2048
3 0 0
4 0 0
5 0 0
6 0 0
7 0 0

Cell Total (MB): 12288
-------------------------------------------------

System Total (MB): 61440

Memory Error Log Summary

The memory error log is empty.

Page Deallocation Table (PDT)

PDT Entries Used: 0
PDT Entries Free: 200
PDT Total Size: 200
Bill Hassell
Honored Contributor

Re: Memory Compatibility

The rp8420 supports up 4096 DIMMs but the rp8400 only supports up to 2048. So, yes, you can move the 2048 DIMMs to the rp8400. Be sure you follow the loading rules. The slot numbers are not sequential.


Bill Hassell, sysadmin
Asif Sharif
Honored Contributor