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Community Member

Memory upgrade cisco 2651xm

Hi,

I upgrade my cisco2651 from 64 to 256 mb ram (2x 128).

This is the boot output after installing the modules.

********************

System Bootstrap, Version 12.2(8r) [cmong 8r], RELEASE SOFTWARE (fc1)

Copyright (c) 2003 by cisco Systems, Inc.

C2600 platform with 262144 Kbytes of main memory

program load complete, entry point: 0x80008000, size: 0x59421c

Self decompressing the image : ################################################################################################ [OK]

Smart Init is enabled

smart init is sizing iomem

ID MEMORY_REQ TYPE

00036F 0X00103980 C2651XM Dual Fast Ethernet

000064 0X0002E500 Two port Voice PM

00027C 0X0013E440 DSP AIM with 4 DSPs

0X000F3BB0 public buffer pools

0X00211000 public particle pools

TOTAL: 0X00574E70

If any of the above Memory Requirements are

"UNKNOWN", you may be using an unsupported

configuration or there is a software problem and

system operation may be compromised.

Rounded IOMEM up to: 6Mb.

Using 4 percent iomem. [6Mb/128Mb]

Restricted Rights Legend

Use, duplication, or disclosure by the Government is

subject to restrictions as set forth in subparagraph

(c) of the Commercial Computer Software - Restricted

Rights clause at FAR sec. 52.227-19 and subparagraph

(c) (1) (ii) of the Rights in Technical Data and Computer

Software clause at DFARS sec. 252.227-7013.

cisco Systems, Inc.

170 West Tasman Drive

San Jose, California 95134-1706

Cisco Internetwork Operating System Software

IOS (tm) C2600 Software (C2600-I-M), Version 12.2(8)T5, RELEASE SOFTWARE (fc1)

TAC Support: http://www.cisco.com/tac

Copyright (c) 1986-2002 by cisco Systems, Inc.

Compiled Fri 21-Jun-02 08:50 by ccai

Image text-base: 0x80008074, data-base: 0x80A2BD40

cisco 2651XM (MPC860P) processor (revision 0x400) with 124928K/6144K bytes of memory.

Processor board ID JHY0811K3Z1 (1905371758)

M860 processor: part number 5, mask 2

Bridging software.

X.25 software, Version 3.0.0.

2 FastEthernet/IEEE 802.3 interface(s)

32K bytes of non-volatile configuration memory.

49152K bytes of processor board System flash (Read/Write)

************************************

As you'll see the system recognize "C2600 platform with 262144 Kbytes of main memory" but when I show the version I get "cisco 2651XM (MPC860P) processor (revision 0x400) with 124928K/6144K bytes of memory."

In case I have to install an IOS that require more than 128 MB ram is my router able to support it?

Thank you.

1 ACCEPTED SOLUTION

Accepted Solutions

Re: Memory upgrade cisco 2651xm

Your ROMmon is correct 12.2(8r). However, your IOS is old. You will not be able to use memory greater than 128MB because of your installed IOS. You need to upgrade to IOS higher than 12.3T to be able to show 256MB in the "show version" output and also use it.

Check the last 2 pages of this document http://www.cisco.com/en/US/prod/collateral/routers/ps259/prod_qas0900aecd800f71dd.pdf

4 REPLIES

Re: Memory upgrade cisco 2651xm

Your ROMmon is correct 12.2(8r). However, your IOS is old. You will not be able to use memory greater than 128MB because of your installed IOS. You need to upgrade to IOS higher than 12.3T to be able to show 256MB in the "show version" output and also use it.

Check the last 2 pages of this document http://www.cisco.com/en/US/prod/collateral/routers/ps259/prod_qas0900aecd800f71dd.pdf

Community Member

Re: Memory upgrade cisco 2651xm

I upgraded the IOS to 12.3(26) but still I don't see the entire memory with the command sh ver.

I can't understand that because on another 2651xm I can show the memory even if the IOS is older then mine. This the output

******************************

Cisco IOS Software, C2600 Software (C2600-IPVOICE-M), Version 12.3(11)T6, RELEAS

E SOFTWARE (fc3)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2005 by Cisco Systems, Inc.

Compiled Thu 02-Jun-05 15:38 by ccai

ROM: System Bootstrap, Version 12.2(8r) [cmong 8r], RELEASE SOFTWARE (fc1)

GwVoice_Stiva uptime is 4 weeks, 23 hours, 4 minutes

System returned to ROM by reload at 12:47:31 cet Wed Jun 10 2009

System restarted at 12:50:21 cet Wed Jun 10 2009

System image file is "flash:c2600-ipvoice-mz.123-11.T6.bin"

Cisco 2651XM (MPC860P) processor (revision 0x401) with 253952K/8192K bytes of me

mory.

Processor board ID JHY0909K2B9 (1032466881)

M860 processor: part number 5, mask 2

2 FastEthernet interfaces

31 Serial interfaces

2 ISDN Basic Rate interfaces

1 Channelized E1/PRI port

1 ATM AIM

4 Voice TE BRI interfaces

32K bytes of NVRAM.

32768K bytes of processor board System flash (Read/Write)

****************************

What's the difference with mine?

Hall of Fame Super Gold

Re: Memory upgrade cisco 2651xm

Likely faulty memory module.

Community Member

Re: Memory upgrade cisco 2651xm

Hi Medan,

thank you.

I upgrade the system to a non T version this was the problem.

Once upgraded to the latest T version (12.4.15T9) the sh ver now indicate 256 mb ram.

Thank you

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