Re: What's so special about 0xffff EEPROM checksum

From: Adrian Chadd <adrian_at_freebsd.org>
Date: Tue, 29 Mar 2011 12:42:56 +0800
Where else have you found this check?


Adrian

On 29 March 2011 08:41, Nerius Landys <nlandys_at_gmail.com> wrote:

> I'm looking at driver code in the FreeBSD kernel, and pretty much
> everywhere I look I see a check for EEPROM checksum.  It's always
> 0xffff.  What is so special about this value 0xffff?  Is this value
> agreed upon by hardware manufacturers?  So basically they have one end
> slot for data where they put in the last bytes in order to ensure that
> the checksum is always 0xffff?
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Received on Tue Mar 29 2011 - 02:42:57 UTC

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