Maintenance 5-201
Installing and Configuring Processor Modules
Figure 5-15 RSP7000 DRAM SIMMS
The SIMM sockets use the thumb tabs that are often used in PCs and other computer equipment.
Each RSP7000 SIMM socket has two metal retaining springs, one at each end. (See Figure 5-16.)
When a SIMM is fully seated in the socket, the retaining springs snap over the ends of the SIMM to
lock it in the socket.
Before proceeding, ensure that you have the proper tools and ESD-prevention equipment available.
To upgrade DRAM, you install SIMMs in one or two banks. Table 5-10 lists the various
configurations of DRAM SIMMs that are available. Note which banks are used given the
combinations of available SIMM sizes and the maximum DRAM you require. SIMMs must be 60 ns
or faster and no taller than one inch.
Note Depending on your router configuration, Cisco IOS Release 11.1(1) might require more than
16 MB of DRAM for your RSP7000. Upgrade your system DRAM based on your current
configuration and this potential requirement.
Table 5-10 DRAM SIM Configurations
DRAM Bank 0 Quantity DRAM Bank 1 Quantity Total DRAM Product Names
U4 and U12 2 8-MB SIMMs U18 and U25 – 16 MB MEM-RSP-16M
U4 and U12 2 8-MB SIMMs U18 and U25 2 4-MB SIMMs 24 MB
1
1. The 24-MB DRAM configuration is also available as an 8-MB upgrade to the standard 16-MB configuration, by adding
DRAM-Product Number MEM-RSP-8M= (consisting of two, 4-MB DRAM SIMMs), for a total of 24 MB.
MEM-RSP-24M
U4 and U12 2 16-MB SIMMs U18 and U25 – 32 MB MEM-RSP-32M(=)
U4 and U12 2 32-MB SIMMs U18 and U25 – 64 MB MEM-RSP-64M(=)
U4 and U12 2 32-MB SIMMs U18 and U25 2 32-MB SIMMs 128 MB MEM-RSP-128M(=)
H5364
CPU
Flash SIMM
holder
Console port
Auxiliary port
NVRAM
Flash card
(PCMCIA) slot
DRAM
SIMMs
ROM monitor
(boot ROM)
U1
U4
U12
U18
U25
U24
U17
Bus connector
Bank 0
Bank 1
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