Cisco Cisco IPS 4255 Sensor
16
Release Notes for Cisco Intrusion Prevention System 5.1(8)E3
OL-20155-01
Before Upgrading to Cisco IPS 5.1(8)E3
Note
The existing DIMM is installed in socket 0. The angled position of the DIMM sockets make
installing an additional DIMM in socket 1 difficult if a DIMM occupies socket 0. Therefore, you
should first remove the existing DIMM from socket 0, place the new DIMM in socket 1, and then
replace the existing DIMM in socket 0.
installing an additional DIMM in socket 1 difficult if a DIMM occupies socket 0. Therefore, you
should first remove the existing DIMM from socket 0, place the new DIMM in socket 1, and then
replace the existing DIMM in socket 0.
Step 8
Locate the ejector tabs on either side of the DIMM socket. Press down and out on tabs to open the slot
in the socket.
in the socket.
Step 9
Install the new DIMM, by positioning the DIMM into the socket and pressing it into place.
Note
Do not force the DIMM into the socket. Alignment keys on the DIMM ensure that it only fits in
the socket one way. If you need additional leverage, you can gently press down on the DIMM
with your thumbs while pulling up on the ejector tabs.
the socket one way. If you need additional leverage, you can gently press down on the DIMM
with your thumbs while pulling up on the ejector tabs.
Step 10
Replace the chassis cover and reconnect the power.
Step 11
Power on the sensor and make sure the new memory total is correct.
Note
If the memory total does not reflect the added DIMMs, repeat Steps 1 through 4 to ensure the
DIMMs are seated correctly in the socket.
DIMMs are seated correctly in the socket.
For More Information
For more information about ESD-controlled environments, refer to
.
Bank 3
41167
DIMM
Bank 0
Bank 2
Bank 1