Cisco Systems 7500 Series Manual De Usuario

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9-1
Cisco 7500 Series Installation and Configuration Guide
OL-5008-03 B0
9
Replacing DRAM on the Route Switch Processor
This chapter describes the procedures for upgrading or replacing dynamic random-access memory 
(DRAM) on each of the RSPs used in the Cisco 7500 series routers. The RSP2 uses DRAM single in-line 
memory modules (SIMMS), and the RSP4 and RSP8 use DRAM dual in-line memory modules 
(DIMMS). 
All DRAM upgrade procedures are discussed in the following sections:
Upgrading or Replacing DRAM SIMMs on the RSP2
This section describes the procedures for replacing up to four DRAM SIMMs on your RSP2. You obtain 
the SIMMs from Cisco Systems.
Figure 9-1
RSP2 DRAM SIMM Locations
H3105
CPU
Flash memory
SIMM holder
Console port
Auxiliary port
NVRAM
ROM monitor 
(boot ROM)
U1
U12
U4
U30
U18
Bus connector
Bank 0
Bank 1
PC Card slots
slot 0: bottom
slot 1: top
DRAM
SIMMs
MEMD
SRAM
U33
U21
MEMD
SRAM