3640 Memory

[angel.batista]

I have a 3640 router with 81920/16384K of memory, this router has the IOS 12.0(7)XK3, I want to upgrade to 12.3, but this require 96/32 of memory.

My question is, I need to replace all memory in this equiment or I can add only the memory need to reach 96/32?

[lgijssel]

The only valid config for 96Mb is 2x 32 plus 2x 16.

You will have to replace 2 x 16Mb DRAM by 32Mb modules.

With the flash, according to Murphy's law you will probably need 2 x 16Mb to replace 2 x 8Mb.

There is a slight chance that you can just add 1 x 16Mb but I wouldn't count on it.

The following URL provides all nescessary info about the upgrade:

http://www.cisco.com/en/US/products/hw/routers/ps274/products_installation_and_configuration_guide09186a008007ce07.html

Regards,

Leo

[angel.batista]

thanks for your help

[sales]

yep it's paired kits with correct SPD on each DIMM:

http://simondirect.com/store/index.php?main_page=index&cPath=7_32

MAIN CISCO DRAM MEMORY
Maximum Memory: 128mb
Base Memory: 8mb (Removable)
Upgrade Sockets: 4 (2 banks of 2)

CISCO FLASH MEMORY
Maximum Memory: 32mb
Base Memory: 8mb (Removable)
Upgrade Sockets: 2 (2 banks of 1)