I have a Cisco 2500 (2514) router. It has 16MB of flash and 24MB of DRAM. However, I am not able to upgrade the router with 12.1(19) IOS. The minimum memory requirements for this image is 16MB Flash and 8MB of RAM. It load the the image fine, but when I reload the router, I get this message:
SYSTEM INIT: "INSUFFICEINT MEMORY TO BOOT THE IMAGE"
Any idea why?
Here is the show version output from bootmode. I had to change the register to 2101 to boot from the bootimage.
Cisco Internetwork Operating System Software
IOS (tm) 3000 Bootstrap Software (IGS-RXBOOT), Version 10.2(8a), RELEASE SOFTWAR
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...