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3640 Router not detecting 2FE2W NM Module

I am trying to install a 3640 router with 2FE2W nm module and a 4BS/T module the IOS version is 12.1.1 and the router is with 8MB flash and 32MB DRam. My problem is that the router is not detecting the 2FE2W module. Here's the copy of show version:, with all the modules installed.

<p>Router#sh ver

<p>Cisco Internetwork Operating System Software

IOS (tm) 3600 Software (C3640-IS-M), Version 12.1(1), RELEASE SOFTWARE (fc1)

<p>Copyright (c) 1986-2000 by cisco Systems, Inc.

Compiled Thu 16-Mar-00 02:36 by cmong

<p>Image text-base: 0x600088F0, data-base: 0x60E1E000

<p>ROM: System Bootstrap, Version 11.1(20)AA2, EARLY DEPLOYMENT RELEASE SOFTWARE (f


<p>Router uptime is 0 minutes

<p>System returned to ROM by reload

<p>System image file is "flash:c3600-is-mz.12.1.1"

<p>cisco 3640 (R4700) processor (revision 0x00) with 28672K/4096K bytes of memory.

<p>Processor board ID 24834975

R4700 CPU at 100Mhz, <p>Implementation 33, Rev 1.0

Bridging software.

<p>X.25 software, Version 3.0.0.

SuperLAT software (copyright 1990 by Meridian Technology Corp).

<p>Basic Rate ISDN software, Version 1.1.

<p>4 ISDN Basic Rate interface(s)

<p>DRAM configuration is 64 bits wide with parity disabled.

<p>125K bytes of non-volatile configuration memory.

<p>8192K bytes of processor board System flash (Read/Write)

<p>Configuration register is 0x2102

<p>Router#sh flash:

<p>System flash directory:

<p>File Length Name/status

<p> 1 8204780 c3600-is-mz.12.1.1

<p>[8204844 bytes used, 183764 available, 8388608 total]

<p>8192K bytes of processor board System flash (Read/Write)



Re: 3640 Router not detecting 2FE2W NM Module

You need minimum:

12.0(7)XK, 12.1(1)T, 12.2, 12.2T

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