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Upgrading Cisco 2500

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

E (fc1)

Copyright (c) 1986-1995 by cisco Systems, Inc.

Compiled Tue 24-Oct-95 15:46 by mkamson

Image text-base: 0x01020000, data-base: 0x00001000

ROM: System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE

RouterA uptime is 0 minutes

System restarted by power-on

Running default software

cisco 2500 (68030) processor (revision D) with 1020K/1024K bytes of memory.

Processor board serial number 03946835 with hardware revision 00000000

X.25 software, Version 2.0, NET2, BFE and GOSIP compliant.

2 Ethernet/IEEE 802.3 interfaces.

2 Serial network interfaces.

32K bytes of non-volatile configuration memory.

16384K bytes of processor board System flash (Read/Write)

Configuration register is 0x2101

2 REPLIES
Bronze

Re: Upgrading Cisco 2500

You have 2 MB of DRAM not 24. Add the 1020k/1020k for 2048k=2.048MB. 16MB is the max for all 2500's I've seen. You can get 1 16MB dram for $18 at KG2.com

New Member

Re: Upgrading Cisco 2500

Thanks ! Yeap my mistake. I looked at so fast that I didn't realize it was only 2MB.

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