Xfree 1.3 on ATI Ultra XLR

Xfree 1.3 on ATI Ultra XLR

Post by Dr. Raimund K. E » Thu, 26 Aug 1993 01:50:10



I am running Linux .99pl11 on a Gateway 2000 4DX2-66V.
It has a ATI Ultra XLR card, with 2MB of VRAM and RAMDAC,
connected to a 17 inch Nanao Flexscan F550i color monitor.

Xfree 1.3 runs fine at resolution 1024x768, with a 1024 x 1024
virtual screen size.
Upon startup X reports: "amount of RAM on Video adapter: 1024k."
When I try to increase the virtual screen size, X reports
that there is not enough RAM. After setting "Videoram 2048"
in Xconfig, larger virtual sizes are allowed, but the screen gets
messed up if something is moved into the lower portion of the screen
(it re-appears on the top).

I guess my questions are:

(1) Is it possible to take advantage of the 2MB VRAM and RAMDAC under
     Linux/Xfree ?
(2) Is it possible to get a screen resolution of 1280x1024, non-interlaced
     (as advertised for the card) under Linux/Xfree ?

The card and monitor works as advertised/specified under Windows.

Here are some pertinent excerpts from my Xconfig file:

#
# The graphics drivers
# First the 8-bit colour SVGA driver
#
vga256

#
# To disable SpeedUp, use NoSpeedUp
#
#  NoSpeedUp
  Virtual       1024 1024
  ViewPort      0 0
  Modes         "1024x768" "800x600" # "1280x1024"
  Clocks        18 22 25 28 36 49 50 56 30 32 37 39 40 0 75 65
#  Videoram     2048
#
...
 "1024x768"    65     1024 1032 1176 1344    768  771  777  806
               75     1024 1048 1184 1328    768  771  777  806
               85     1024 1032 1152 1360    768  784  787  823
 "1280x1024i"  75     1280 1280 1512 1632   1024 1024 1027 1041  Interlace
               80     1280 1296 1512 1568   1024 1025 1037 1165  Interlace
 "1280x1024"   65     1280 1280 1480 1584   1024 1024 1027 1040
               75     1280 1280 1512 1632   1024 1024 1027 1041
              110     1280 1328 1512 1712   1024 1025 1028 1054
              135     1280 1312 1456 1712   1024 1027 1030 1064

Any help, and possible settings for Xconfig for this card/monitor setup
are greatly appreciated.

--
Raimund K. Ege                             School of Computer Science
                                             Florida Int'l University


 
 
 

1. Help with Xfree 1.3 and the ATI XLR

I've got Linux running on my 486DX2 but I'm still having problems
configuring X.  Namely

1.      The Xconfig I got from sunsite.unc.edu doesn't list the XLR.
        I tried the next closest (ATI VGAWonder) and it works for
        some resolutions (best I got was 800x600) and doen't for others.

2.      When I quit X, the screen becomes garbled with lines and I can't
        see any of the characters.

Does anyone have an Xconfig file that can do 1280x1024 (or at least
1024x768)?

Does anyone have a fix for the problem with garbled characters?

Thanks
Al

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