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Re: TP560 video driver upgrade



On Tue, 14 Oct 97 9:14:57 HST, David Ross wrote:

>Yesterday I upgraded to version 1.22 of the W95 video driver for my
>TP560.  An immediate 25% video speedup - very cool.  (I have a P133 DSTN
>model, BTW).  The curious thing is that in the docs that come with the
>driver, it says that my machine should now be capable of high color
>on the LCD. Now, I didn't believe it (I thought DSTN displays were
>limited to 256), and in fact I see no such improvement; however, the
>docs are quite clear about this in a couple of places.  I quote:
>
><1.02>
>- (Fix) (ThinkPad 560 only)
> 		The color depth with 16M colors is selectable on LCD.
>- (Fix) (ThinkPad 560 DSTN LCD model only)
>     The color depth with 64K or 16M colors is selectable on LCD when
>	 the computer has a Cyber9382 video controller chip installed.
><1.12>
>- (Fix) The ThinkPad 560 (9382) DSTN model can select 64K or 16M
>		 colors on LCD.
><1.22>
>- (Fix) (ThinkPad 560 DSTN LCD model only) Some garbage on screen
>		  intermittently in 800x600 64K color mode.
>
>So, what's the deal?  Should I in fact now have a 64K or 16M option in
>the system settings? I don't, but would like one (I miss fint
>smoothing).
>
>- Curious, David
>
>
I know that the palette for DSTN is lower than that of TFT, but I have
my DSTN going at 64K colors (no palette, if memory serves me right), and
I have the Chips & Tech 65545 (on the 701).  The colors look better than that
on my server, but that monitor is about 7-8 years old.  I think that maybe
the DSTN is limited on colors because it scans constantly, rather than having
each pixel individually lit up.  Anyone- correct me if I'm wrong.

Paul