Installing A Dram Dimm - Cisco 2900 series Installation Manual
2900/3900 series
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Also See for Cisco 2900 series:
- Installation manual (222 pages) ,
- Datasheet (16 pages) ,
- Manual (111 pages)
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Chapter 5
Installing and Upgrading Internal Modules and FRUs
Installing a DRAM DIMM
Unregistered DIMMS (UDIMMs) and very low profile (VLP) RDIMMs are not interchangeable.
Note
Follow these steps to install a DRAM DIMM:
Read the
Step 1
perform any module replacement.
Remove the chassis cover. For Cisco 2900 series ISRs, see the
Step 2
Cover" section on page
Performance Engine" section on page
Locate the DRAM DIMM module. See the
Step 3
DRAM DIMM sockets on the router.
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
DIMMs and PVDM3s plug into similarly sized sockets. Only the polarization notch differs. Look for the
Caution
polarization notch shown in
Figure 5-10
Step 6
Insert the DIMM into the connector.
Step 7
Carefully and firmly press the DRAM DIMM into the connector until the latches close onto the DIMM.
Make sure that both latches rotate to the closed position against the DIMM. See
OL-18712-03
"Safety Warnings" section on page 5-2
5-4. For Cisco 3900 series ISRs, see the
5-10.
Figure 5-10
DRAM DIMM Showing Polarization Notch
section and disconnect the power supply before you
"Removing and Replacing the Chassis
"Removing and Replacing the Services
5-6.
"Locating Internal Modules" section on page 5-7
before inserting a DRAM DIMM in the socket.
1
Cisco 2900 Series and 3900 Series Hardware Installation Guide
Installing and Removing DRAM DIMMs
to find the
Figure
5-11.
5-15
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