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Chapter 6
Installing and Upgrading Internal Modules and FRUs
Installing a DIMM
Unregistered DIMMS (UDIMMs) and very low profile (VLP) RDIMMs are not interchangeable.
Note
Follow these steps to install a DIMM:
Read the
Step 1
perform any module replacement.
Remove the chassis cover. For the Cisco ISR 4451-Xs, see the
Step 2
Cover" section on page
Locate the DIMM module. See the
Step 3
page 6-5
Make sure that both latches on the DIMM connector are in the open position.
Step 4
Orient the DIMM so that the polarization notch lines up with the polarization key on the connector. See
Step 5
Figure
Caution
DIMMs and PVDM4s plug into similarly sized sockets. Only the polarization notch differs. Look for the
polarization notch shown in
Figure 6-16
Step 6
Insert the DIMM into the connector one side at a time.
a DIMM.
OL-27644-01
"Safety Warnings" section on page 6-2
6-4.
to find the DIMM sockets on the router.
6-16.
Figure 6-16
DIMM Showing Polarization Notch
Hardware Installation Guide for the Cisco 4451-X Integrated Services Router
section and disconnect the power supply before you
"Locating Internal and External Slots for Modules" section on
before inserting a DIMM in the socket.
1
Figure 6-17
Installing and Removing DDR DIMMs
"Removing and Replacing the Chassis
shows what not to do while handling
6-21
- Quick Links:
- Cisco Isr 4451-X Chassis
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