Dell Precision M4800 please help ! Discrete to UMA

[laptopbn]

as title Dell Precision M4800 please help ! Discrete to UMA (la-9772p) .
thank you

[mrwab]

Re: Dell Precision M4800 please help ! Discrete to UMA

try remove dedicated graphics card first

[laptopbn]

Re: Dell Precision M4800 please help ! Discrete to UMA

try remove dedicated graphics card first

thanks
i have removed the vga without displaying lcd, only capslock signal, at u19 (MAX14885E) pins 1 vs 39 have been put up to 3v3, and the VGA_ID r803 line I can't find. pls help

[thesleepwalker]

Re: Dell Precision M4800 please help ! Discrete to UMA


thanks
i have removed the vga without displaying lcd, only capslock signal, at u19 (MAX14885E) pins 1 vs 39 have been put up to 3v3, and the VGA_ID r803 line I can't find. pls help

did you solve your problem

[laptopbn]

not supported

[jokophp]

I have succeeded in converting the M4800 from two VGA to just one Intel VGA, with a few tricks,

[laptopbn]

I have succeeded in converting the M4800 from two VGA to just one Intel VGA, with a few tricks,

Thank you, can you please let everyone know the value of the resistors?

[jokophp]

10K, I just make the system detect that an MXM card is installed, by activating the signal MXM_present#

remove QH3, to turn off the GFX_CLK_REQ# signal

Maybe you can also use one of these two tricks