Dimm Configuration Requirements For Hot-Add - HP ML570 - ProLiant - G2 Manual

Hot-Add is NOT supported in the following modes:
•
Advanced ECC when both memory boards are installed. In this case, no empty
memory board slots are available for additional memory to be inserted.
•
Online Spare Mode
•
Single-Board Mirroring Mode
IMPORTANT: If you attempt a Hot-Add board insertion while in Online Spare mode or Single-
Board Mirroring Mode, all LEDs on the memory board flash amber and the system internal
speaker emits a warning tone as soon as the board is latched, before closing the locking
switch. If this occurs, remove the board. It will not affect server operation.

DIMM Configuration Requirements for Hot-Add

The DIMM configuration rules for Hot-Add are very stringent. The DIMM
configuration on the new memory board must exactly match that of the existing
board to double the amount of available memory.
If any DIMM configuration errors are found on the newly inserted board, the LEDs
for the DIMMs that are incorrect flash amber several seconds after the board is
inserted. An invalid DIMM error could occur because the DIMM is not the same type
as the corresponding DIMM on the existing board or because a DIMM is installed on
the new board which was unpopulated on the existing board.
If a DIMM configuration error is detected, unlock the board and remove it to make
any DIMM configuration corrections. The board can then be re-inserted and the Hot-
Add procedure completed normally.
If a board insertion is aborted because of a DIMM configuration error, the Advanced
System Management Controller Driver is notified. It will log in the Integrated
Management Log (IML) and the NT Eventlog that a Board Insertion was attempted
and suffered from a DIMM configuration error.
If a DIMM configuration error is detected, the System ROM aborts the board
insertion. System operation is not negatively effected.
HP ProLiant DL580 Generation 2 and HP ProLiant ML570 Generation 2 Server Hot-Add Memory 9