Ensuring Adequate Flash Memory For The New System Image - Cisco 2800 Series Manual

How to Upgrade the System Image
DRAM configuration is 64 bits wide with parity enabled.
479K bytes of NVRAM.
125440K bytes of ATA System CompactFlash (Read/Write)
Configuration register is 0x820
Router#
Add the memory sizes that are displayed in the show version command output to calculate the amount
Step 4
of DRAM in your router.
For example, in the sample show version command output shown in
and 30720 KB for a total of 262144 KB, or 256 MB, of DRAM.
Tip
Compare the amount of DRAM in the router to the minimum memory requirements from
Step 5
a.
b.
What to Do Next
Proceed to the

Ensuring Adequate Flash Memory for the New System Image

This section describes how to check whether your router has enough flash memory to upgrade to the new
system image and, if necessary, how to properly delete files in flash memory to make room for the new
system image. For more information, see
Prerequisites
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•
SUMMARY STEPS
1.
2.
OL-5595-01
6
To convert from kilobytes (KB) to megabytes (MB), divide the number of kilobytes by 1024.
If the DRAM is equal to or greater than the new system image's minimum memory requirements,
proceed to the "Ensuring Adequate Flash Memory for the New System Image" section on page
If the DRAM is less than the new system image's minimum memory requirements, you must
upgrade your DRAM. See the hardware installation guide for your router.
"Ensuring Adequate Flash Memory for the New System Image" section on page
Choose the Cisco IOS release and system image to which you want to upgrade. See the
About Upgrading the System Image" section on page
Select the system image in the Download Software Area at:
http://www.cisco.com/kobayashi/sw-center/index.shtml.
You must have an account on Cisco.com. If you do not have an account or have forgotten your
username or password, click Cancel at the login dialog box and follow the instructions that appear.
From the File Download Information table, write down the minimum flash requirements for the
image.
enable
(Class B file systems only) squeeze flash:
Using Compact Flash Memory
2.
Upgrading the System Image
Step 3, you would add 231424 KB
Step
Cards.
"Information
2.
6.
6.