Removing Dimms - HP D5970A - NetServer - LCII Installation Manual

Chapter 5

Removing DIMMs

You may need to remove a bank of DIMM modules to downsize your memory
configuration, or to replace a defective DIMM. Follow these guidelines for
removing DIMMs.
If reducing the number of DIMMs on the board, remove them only in
increments of one full bank (four DIMMs).
When you finish removing DIMMs, the remaining DIMMs should be
arranged on the board in one of the configurations shown in Figures 5-4
and 5-5.
When removing banks of DIMMs from a system with DIMMs on both
memory boards, make sure that both boards have identical DIMM
configurations when you finish. (But if you are reducing the system to its
minimum memory configuration (four DIMMs) put all four DIMMs on
the main memory board and leave the secondary memory board empty.
See "Memory Configuration Guidelines," earlier in this chapter. )
See "Memory Configuration Guidelines" for the complete DIMM placement
guidelines.
Follow these steps to remove a bank of four DIMMs from the memory board:
1. Log off all users. Back-up files. Follow instructions in your network
operating system (NOS) documentation to gracefully shut down all
networking software and applications.
2. Press the power switch on the HP NetServer's control panel when
prompted by the operating system. Normally, this is the complete
procedure.
NOTE The power supplies will continue to provide standby current to
the NetServer until the power cable is disconnected.
3. Disconnect the power cables and signal cables, and if necessary, label
them to support reassembly.
4. Remove the front bezel. See Chapter 3 for details.
5. Remove the memory board. See "Removing and Replacing the Memory
Board" earlier in this chapter.
6. Determine which bank of DIMMs you wish to remove.
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Installing Additional Memory