Hi Phil, Thanks for the input, the part no. SM73228XV1CAVS0 is for 25xx series, And I am having this on hand, do not how it will work : ( But the speed appear on the chip is -9 which is what you said, SLOW! anyong ""Circusnuts"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > I have seen this, but I'm not sure I remember what the issue was. I think > the FLASH you are trying to run in your 2500 may be 2600/3600/4000 style. > It will register... but the speed is too slow for that router, so it gives > weird reading. Ultimately this does not work. > > I think this is the issue you are seeing > Phil Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=11647&t=11642 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]