Il Sun, Feb 04, 2007 at 10:17:08PM +0100, Giuseppe Bilotta ha scritto:
> On 2/4/07, Luca Tettamanti <[email protected]> wrote:
> >Giuseppe, can you send me the EDID block of your monitor?
>
> I'd gladly do it, if I knew how to retrieve it ... because apparently,
> get-edid doesn't work, even though both the nv driver for X and
> nvidiafb manage to retrieve it.
get-edid uses the BIOS, while the other two talk directly over the I2C
bus.
Try loading i2c-dev (I2C_CHARDEV); With i2cdump[1] you can read the EDID
block, which resides at address 0x50:
i2cdump N 0x50 (where N is the bus number)
If you are unshure about bus number try with all the available
/dev/i2c-* devices (you may want to unload HW monitor drivers first, so
you don't poke at random stuff).
Luca
[1] lm-sensors package, at least on Debian.
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