Core Issue
This issue occurs only on routers that run the Cisco IOS image from DRAM and when there is not enough memory for the image in Flash to decompress.
Resolution
To resolve this issue, perform one of these options:
- Upgrade the DRAM.
Refer to the Memory Requirements section of How to Choose a Cisco IOS Software Release. This calculates the amount of DRAM required for your image.
- Load an appropriate image for the current memory size.
To select and download the software, use the IOS Upgrade Planner.Software Upgrade Procedure.
For the Cisco 1000, 1400, 1600-R, 1700, 2600, 3600, 3700, 4000, 4500, 4700, AS5300 and MC3810 series, refer to the
Otherwise, for the Cisco RP and RSP7000, 7100, 7200, 7300, 7400, 7500, 7600, 10000 (ESR), 12000, uBR71XX, uBR72XX and uBR10000 series, refer to Software Installation and Upgrade Procedures.
When Problem Occurs
After software upgrade
Error Messages and Warnings
SYSTEM INIT: INSUFFICIENT MEMORY TO BOOT THE IMAGE!
