Re: TP770X Display

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From: David W. Taylor (detayls_at_sprynet.com)
Date: Fri Jan 01 1999 - 19:10:03 EST

Sounds to me like the drivers are the problem.

-----Original Message-----
From: John G. Olyarchuk <jgo_at_SMI.Stanford.EDU>
To: Bruce Markowitz <scosgt_at_worldnet.att.net>
Cc: Thomas A. Jones <taj_at_nauticom.net>; ThinkPad <thinkpad_at_cs.utk.edu>
Date: Friday, January 01, 1999 3:46 PM
Subject: Re: TP770X Display

>
>1024x768=786432pixels
>786432x32bit=25165824bits
>25165824/8=3145728bytes
>3145728/1048576=3MB
>
>1280x1024=1310720pixels
>1310720x32bit=41943040bits
>41943040/8=5242880bytes
>5242880/1048576=5MB
>
>
>Given that 4MB VRAM is adequate to display 1024x768 at 32bit, by the above
>calculations, the 8MB VRAM in the 770x should be more than adequate to
>display 1280x1024 at 32bit.
>
>What gives? Can someone check my math/logic?
>
>-John
>
>
>On Thu, 31 Dec 1998, Bruce Markowitz wrote:
>
>> That would be a limitation of the amount of Video memory. I asesume it
>> will do 1024X768 24 bit color? My 770EE (4MB VideoRam) will do 1024X768
>> true color 32 bit full screen.
>>
>> Thomas A. Jones wrote:
>> >
>> > I called IBM Tech Support and got thru right away...a pleasant
>> > surprise compared to other computer companies.
>> >
>> > I was told that on 770X that when one goes to 32 bit color, screen
>> > will only be 3/4 size as I described in my last e-mail to this mailing
>> > list.
>> >
>> > It's hard for me to believe that if you want afull screen on your
>> > latoptop dispaly, the best you can go to is 16bit color on the
>> > 770X...could this be true? Any feedback would be appreciated...
>> >
>> > Thomas A. Jones
>>

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