Re: External Video on Thinkpad T30

[Michael B Allen <mba2000 ioplex com>]

On Fri, 30 May 2003, Michael B Allen wrote:

> On Fri, 30 May 2003, Alex Deucher wrote:
> 
> > are you trying to use both the LCD and the vga port for dualhead
> > display or just the external port only or both the primary and the
> > secondary in clone mode?
> 
> I'm just trying to do plain vanilla analog out although the builtin LCD
> is coming on and displaying a picture (sometimes). Switching between the
> builtin LCD and external port doesn't quite work right. I have to init

Actually, to be more precise the behavior is as follows; the backlight
on the external LCD comes on, it flickers for an instant, the backlight
on the builtin LCD comes on, and finally the 640x480 picture is displayed
on the external LCD. No picture is displayed on the builtin LCD.

Although the behavior is slightly different depending on wheather or not I
reboot. If I just Ctrl-Alt-F1, init 3, init 5 there is also a 1400x1050
(good) picture on the builtin LCD.

Also, I'm not sure if this is noteworthy but the BIOS has three boot
display device options; "LCD", "CRT", and "Both" although I have tried
all of these without any effect on the ultimate result. They do appear
to control which display is initally used.

Mike

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