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Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
OL-32185-02
Chapter 6 Install and Upgrade Internal Modules and FRUs
Install and Remove DDR DIMMs on Cisco 4400 or 4300 Series ISRs
Figure 6-20 Remove a DIMM
Step 5
Place the DIMM in an antistatic bag to protect it from ESD damage.
Step 6 Replace the chassis cover. See the “Remove and Replace the Chassis Cover” section on page 6-4..
Install DIMM
Note The DIMMS on the Cisco 4400 Series ISRand Cisco 4300 Series ISR are not interchangeable.
To install a DIMM:
Step 1 Read the “Safety Warnings” section on page 6-2 section and disconnect the power supply before you
replace any module.
Step 2 Remove the chassis cover. For the Cisco 4451-X ISRs, see the “Remove and Replace the Chassis Cover”
section on page 6-4.
Step 3 Locate the DIMM module. See the “Locate Internal and External Slots for Modules on Cisco 4451 ISR”
section on page 6-7 to find the DIMM sockets on the router.
Step 4 Make sure that both latches on the DIMM connector are in the open position.
Step 5 Orient the DIMM so that the polarization notch lines up with the polarization key on the connector. See
Figure 6-21.
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