Increase NVRAM Size

Discussion in 'Tomato Firmware' started by arrmo, Jul 15, 2012.

  1. arrmo

    arrmo LI Guru Member


    I have done some poking around, but haven't been able to find an answer to this, so ... is there a way to grow the NVRAM size in Tomato? 32 kB seems quite limiting.

    I did look at the boot logs, and it seems that NVRAM is nothing more than part of the flash mapped to NVRAM (right? It's not a separate device, is it?) ... so then it should be possible to grow it, correct? For example, I don't need JFFS2, so can I just use this as part of NVRAM?

  2. jyavenard

    jyavenard Network Guru Member

    yes, NVRAM is part of the standard flash. Usually the last 32 or 64kB of the last flash segment. However, its size is usually check by the bootloader which resets it if it's not the right format/size..
    The size of the NVRAM depends on which model of router you are using and isn't related to tomato. tomato uses what's there, no more, no less
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