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#1 2009-02-23 20:23:14

orjanp
Member
From: Tromsoe, Norway
Registered: 2004-07-03
Posts: 347

Thinkpad T400 and frame buffer 1440x900

Hello!

I can't get the frame buffer working at the native resolution 1440x900 on my Thinkpad T400.

Have added the vga option at the kernel line in Grub.

kernel /vmlinuz26 root=/dev/sda6 ro devfs=nomount vga=0x355

Have tested with 354, 355 and 356. The screen just goes black.

Here is some info I used.
http://en.wikipedia.org/wiki/VESA_BIOS_Extensions

Orjanp


Ørjan Pettersen

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#2 2009-03-06 14:05:32

ssfeather
Member
Registered: 2009-03-06
Posts: 1

Re: Thinkpad T400 and frame buffer 1440x900

I used vga=868
it is width screen!

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#3 2009-03-07 21:13:07

Nicolae
Member
Registered: 2008-12-08
Posts: 9

Re: Thinkpad T400 and frame buffer 1440x900

If you have an nvidia card, try vga=0x365. That's what I use on my Dell laptop with a Quadro NVS 135M driving a 1440x900 screen.

Failing that, use vga=ask and it will give you a list of all the modes the card you have supports.

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#4 2009-03-15 13:42:44

orjanp
Member
From: Tromsoe, Norway
Registered: 2004-07-03
Posts: 347

Re: Thinkpad T400 and frame buffer 1440x900

Have tested with 868 and 0x365. They are not supported. And ASK won't list 1400x900 resolution.

The laptop has a ATI Radeon Mobility HD 3470 GPU.


Ørjan Pettersen

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