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mc3810 memory upgrade options

Hello, I want to upgrade flash and dram memory in an mc3810. I'm not sure of the exact hardware version of the router; here is the sh ver command:


router#sh ver

Cisco Internetwork Operating System Software

IOS (tm) MC3810 Software (MC3810-IS-M), Version 12.1(3)T, RELEASE SOFTWARE (fc1


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

Compiled Wed 19-Jul-00 20:53 by ccai

Image text-base: 0x00023000, data-base: 0x00A87C84

ROM: System Bootstrap, Version 12.0(6r)T4, RELEASE SOFTWARE (fc1)

ROM: MC3810 Software (MC3810-WBOOT-M), Version 12.0(6r)T4, RELEASE SOFTWARE (fc


router uptime is 7 weeks, 1 day, 4 hours, 48 minutes

System returned to ROM by reload

System image file is "flash:mc3810-is-mz.121-3.T"

Cisco MC3810 (MPC860) processor (revision 10.04) with 28672K/4096K bytes of memo


Processor board ID 24800017

PPC860 PowerQUICC, partnum 0x0000, version C01(0x0031)

Channelized E1, Version 1.0.

Bridging software.

X.25 software, Version 3.0.0.

Primary Rate ISDN software, Version 1.1.

MC3810 SCB board (v12.A0)

1 Multiflex E1(slot 3) BNC interface(v03.A0)

1 Six-Slot Analog Voice Module (v07.B0)

1 Analog FXS_HW (v255.) port 1/1

1 Analog FXS voice interface (v03.A0) port 1/2

1 Analog FXS voice interface (v03.A0) port 1/3

1 Analog FXS voice interface (v03.A0) port 1/4

1 Analog FXS voice interface (v03.A0) port 1/5

1 Analog FXO voice interface (v04.A0) port 1/6

1 2-DSP(slot2) High Performance Compression Module(v01.A0)

1 Ethernet/IEEE 802.3 interface(s)

1 Serial network interface(s)

2 Serial(sync/async) network interface(s)

1 Channelized E1/PRI port(s)

256K bytes of non-volatile configuration memory.

16384K bytes of processor board System flash (AMD29F016)

Configuration register is 0x2102



I want to add dram and flash in order to be able to install an IOS image that is VoIP capable.

Are there options besides the modules suggested by cisco (MEM-DIM-1X64D, MEM-381-1X32F)? I understand these are discontinued and cisco offers others as replacements. I'm just curious; are there cheaper and functional options out there (other brands)?

if so, what are the requirements of these modules? in order to look for other alternatives that are easier to get.

Thanks in advance.


Cisco Employee

Re: mc3810 memory upgrade options

Below are all that are available for the MC3810 router. Hope this helps.


MEM-381-1X16D= MEM-381-1X16D=, 16MB DRAM MEMORY FOR MC3810

MEM-381-1X16F= MEM-381-1X16F=, ^16MB FLASH MEMORY FOR MC3810

MEM-381-1X32D= MEM-381-1X32D=, ^32MB DRAM MEMORY FOR MC3810

MEM-381-1X32F= MEM-381-1X32F=, 32MB FLASH MEMORY FOR MC3810

MEM-381-1X4F= MEM-381-1X4F=, 4MB FLASH MEMORY FOR MC3810

MEM-381-1X64D= MEM-381-1X64D=, 64MB DRAM MEMORY FOR MC3810

MEM-381-1X8F= MEM-381-1X8F=, ^8MB FLASH MEMORY FOR MC3810

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