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Memory Locations and Replacement Procedures
Matrix DFE-Gold Series Modules Hardware Installation Guide B-7
DIMM Replacement Procedure (4H4282-49
and
4H4283-49)
To remove and replace the DRAM SIMM on the 4H4282‐49 or 4H4283‐49, refer to
and
respectively, and proceed as follows:
Removing the DRAM SIMM
1.
If there is an optional NEM installed on the main board of the 4H4282‐49 or
4H4283‐49, proceed to step 1a. Otherwise proceed to step 2.
4H4283‐49, proceed to step 1a. Otherwise proceed to step 2.
a.
Remove and save the three screws attaching the NEM to the standoff on the main
board and front panel.
board and front panel.
b. Lift the NEM straight up and off the two module connectors on the main PC
board.
Caution: Observe all Electrostatic Discharge (ESD) precautions when handling sensitive
electronic equipment.
electronic equipment.
Precaución: Al trabajar con equipos electrónicos sensibles, tome todas las precauciones
de seguridad para evitar descargas de electricidad estática.
de seguridad para evitar descargas de electricidad estática.
Note: Prior to removing the DRAM SIMM in a 4H4282-49 or 4H4283-49, you must remove
the Network Expansion Module to gain access to the DRAM SIMM memory and
connector.
the Network Expansion Module to gain access to the DRAM SIMM memory and
connector.
Figure B-8 NEM Removal and DRAM SIMM Location (4H4282-49 and 4H4283-49)
1 NEM (not on all DFE modules)
4 Module front panel
2 Main PC board (4H4282-49 is shown)
5 Module connectors on main board
3 Screws (3)
6 DRAM SIMM memory module
4H4282-49
F
AST ENET
DFE
1
2
3
4
5
6
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