[coreboot] spkmodem

Peter Stuge peter at stuge.se
Fri Jan 18 17:12:04 CET 2013

Vladimir 'φ-coder/phcoder' Serbinenko wrote:
> > Hello, all. I send a patch to make coreboot output console using system
> > beeper and a corresponding code to interpret those beeps. I publish it
> > under GPLv2+ but other licensing arrangements are possible. This was
> > very useful to get console on X201 where I have neither serial nor EHCI
> > debug.

I haven't gotten your original email? Weird.

> This would need some improvements as currently it sometimes loses
> bits and it causes it to lose sync. I'll think how to do it.

What modulation and symbol rate are you using?

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