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cisco 3640 flash memory upgrade to 2x16 asking me to format the memory. why

By davito2611 ·
get_man_dev: Unknown device - probably NOT formatted.
unknown flash device - mandev code = 0xffff
cannot read flash info
getdevnum warning: device "flash" has size of zero
get_man_dev: Unknown device - probably NOT formatted.
unknown flash device - mandev code = 0xffff
cannot read flash info
getdevnum warning: device "flash" has size of zero
open: read error...requested 0x4 bytes, got 0x0
trouble reading device magic number
boot: cannot open "flash:"
boot: cannot determine first file name on device "flash:"

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flash memory upgrade to 2x16

by bfourman In reply to cisco 3640 flash memory u ...

I am getting the same message....how did your resolve this issue?

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How to fix this problem

by JoelCummings In reply to cisco 3640 flash memory u ...

First check to ensure that the holes on the flash are lined up with the little clips that snap into them. then follow the steps in this document. http://www.cisco.com/en/US/products/hw/routers/ps259/products_tech_note09186a0080094a0b.shtml

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