NEC 140He User Manual page 304

140he
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9-46
Installation
Install a DIMM as follows:
IMPORTANT:
The DIMM is extremely sensitive to static electricity. Make sure to touch the metal
frame of the server to discharge static electricity from your body before handling the
DIMM. Do not touch the DIMM terminals or on-board parts by a bare hand or place the
DIMM directly on the desk. For static notes, see the section "Anti-static Measures"
described earlier.
Make sure to use a DIMM authorised by us. Installing a third-party DIMM may cause a
failure of the DIMM as well as the server. Repair of the server due to failures or damage
resulting from installing such a board will be charged.
Install two additional DIMMs for each group because the server uses interleaved
memory. If DIMMs of different specifications* are installed in a group, the server does
not operate normally.
* DIMM specification is shown on the label attached to the DIMM as follows:
A dummy tray is installed in the additional memory board slot. If you remove the
dummy tray, keep it for future use.
1.
See the section "Preparing for Installation and Removal" described earlier to prepare.
2.
Unlock the front door with the security key, and open the front door.
3.
Remove the memory slot cover, and remove the memory board on which the DIMMs are to be installed.
See "Memory Board" described earlier in this chapter.
NOTE:
To additionally install a memory board, remove one screw to remove the blank
cover from the additional slot.
IMPORTANT:
4.
Locate the DIMM sockets in which you are going to install DIMMs.
Example: Frequency of 400 MHz, buffered, capacity of 1GB, row
address of 14 bits, column address of 11 bits, and
single rank
2-400 / B / 1024 / R14 C11 S
Row address
Capacity
Buffered / Registered
Frequency
Keep the removed blank cover for future use.
Single rank
Column address

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