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Hi All,

I am trying to upgrade my 3640's flash. I understand that the max
supported (officially) is 2 x 16MB. However has anybody tried with 2 x
32MB flash simm modules? Is it supposed to work?

HD

Hi HD,

You may wish to investigate How to Determine the SIMM Configuration of
a Cisco 3620 or 3640 Series Router:

http://www.cisco.com/en/US/products/...80104555.shtml

Upgrading System Memory in Cisco 3600 Series Routers

http://www.cisco.com/en/US/products/...08007ce07.html

Cisco 3600 Series Memory Options and Configuration Guide:

http://www.cisco.com/en/US/products/...080091f70.html

Hope this helps.

Brad Reese
BradReese.Com - Cisco Network Engineer Directory
http://www.bradreese.com/network-engineer-directory.htm
1293 Hendersonville Road, Suite 17
Asheville, North Carolina USA 28803
USA & Canada: 877-549-2680
International: 828-277-7272
Fax: 775-254-3558
AIM: R2MGrant
Website: http://www.bradreese.com/contact-us.htm

BradReese.Com® - Leverage Your Cisco Network wrote:
> Hi HD,
>
> You may wish to investigate How to Determine the SIMM Configuration of
> a Cisco 3620 or 3640 Series Router:
>

Brad, thank you for your reply, but Cisco's documents as usual only
tell me what I already knew.

I was wondering if I could push a 3640 beyond the limits documented by
Cisco by installing 2 x 32 MB Flash memory SIMMs thereby getting 64 MB
total.

HD

New Cisco Memory Part Numbers:

MEM3640-2X32D=

Replaces:

Two MEM3640-32D='s

Description

64 MB DRAM for the Cisco 3640 ( 2x32MB DRAM SIMMs )

Sincerely,

Brad Reese
Cisco Repair
http://www.bradreese.com/cisco-big-iron-repair.htm

www.BradReese.Com wrote:
> New Cisco Memory Part Numbers:
>
> MEM3640-2X32D=
>
> Replaces:
>
> Two MEM3640-32D='s
>
> Description
>
> 64 MB DRAM for the Cisco 3640 ( 2x32MB DRAM SIMMs )
>

Brad, I was talking about FLASH not DRAM

HD

I used compact flash cards to upgrade my router flash. 64MB is
supported and you don't need to open up the router. You don't
need to power down the router (I did run across an older version
of IOS the required power cycle to recognize the card.) Plus it
cost less. There are several approved vendors for the CF.

Joel

haydude wrote:
> Hi All,
>
> I am trying to upgrade my 3640's flash. I understand that the max
> supported (officially) is 2 x 16MB. However has anybody tried with 2 x
> 32MB flash simm modules? Is it supposed to work?
>
> HD
>

On 13 Jun 2006 03:49:23 -0700, "haydude" <> wrote:

>
>BradReese.Com® - Leverage Your Cisco Network wrote:
>> Hi HD,
>>
>> You may wish to investigate How to Determine the SIMM Configuration of
>> a Cisco 3620 or 3640 Series Router:
>>
>
>Brad, thank you for your reply, but Cisco's documents as usual only
>tell me what I already knew.
>
>I was wondering if I could push a 3640 beyond the limits documented by
>Cisco by installing 2 x 32 MB Flash memory SIMMs thereby getting 64 MB
>total.
>
>HD

I do not think it is possible. I have worked with quite a few
CISCO3640's and have never heard of anyone being able to put 64 megs
of flash into the router. Also, I believe the maximum you could put
in the PCMCIA slot is 20 megs, per slot.

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Rick Truong
TruTech Systems
AIM: ricktrutek
E-Mail: rick at trutechsystems dot net

Joel wrote:
> I used compact flash cards to upgrade my router flash. 64MB is
> supported and you don't need to open up the router. You don't
> need to power down the router (I did run across an older version

Please could you point me to a device known to work with a 3640?

HD