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- From: hwstock@snll-arpagw.llnl.gov (stockman harlan w)
- Newsgroups: comp.sys.ibm.pc.hardware
- Subject: Re: ATI Ultra Pro: Good or SUCKS????
- Message-ID: <409@snll-arpagw.llnl.gov>
- Date: 20 Jan 93 15:52:30 GMT
- References: <1993Jan18.183906.29951@bnr.ca> <1993Jan19.213036.3561@VFL.Paramax.COM> <_ah3djk@rpi.edu>
- Organization: Sandia National Labs, Livermore, CA
- Lines: 63
-
- In article <_ah3djk@rpi.edu> gilem@rebecca.its.rpi.edu (Michael R. Gile) writes:
- >Well, I have one too, and although it is fast, it still doesn't compare to
- >a Sun, NeXT, or RS/6000 for scrolling speed, but it is still really fast.
- >I certainly could always use more speed, though, and if you are running windows
- >all the time, I would suggest getting the fastest video you can!
- >
-
- I read this with chagrin; I have an "old" ATI Ultra running under both
- MS-Windows and Unix / X11. To see the true performance of this card, you
- really have to run it under X11, with Roell's server; it scrolls much
- faster than an RS/6000, and posts an 82000 to 85000 Xstone rating--
- subjectively, it buries a Next or Sun Sparc+ under X11. When we run
- programs on the Suns and RS/6000, and redirect the display to my 486
- with the Ultra, the display performace improves significantly over the
- native machine. I guess this is as much an advertisement for X11, as an
- indictment of MS-Windows.
-
- Now, after that glowing comment, here is the message I was about to
- post-- It shows that not all is happy and fun times in ATI-land.
- =============CUT HERE FOR ATI WOES===================================
-
-
- Help!!
-
- The performance of my ATI Ultra+, compared to my older ATI Ultra, is
- so bad that there must be something very wrong with the setup. I've
- followed ATI's instructions to the letter.
-
- The system with the Ultra+ is running 25 to 30 times slower for text
- under MS-Windows. No, that's not a misprint. The quantitative basis
- for this comparison is winbench 2.5; it also jives with my subjective
- observations using wpwin on both cards.
-
- The cards are in two different machines-- both are Gateway 486/33 ISA,
- with identical RAM and drives. The system with the Ultra (mach 8) has
- a NEC 3FGx, and the system with the Ultra+ has a Sony 1304 monitor.
- The Ultra (mach 8) is using the older ATI mach 8 drivers, and the
- Ultra+ is using Mach32 drivers. Oddly enough, on the Ultra+ system I
- switched to the generic 8514a drivers and got a 6-fold boost in text
- speed.
-
- Both cards are set up for 1024*768. The Ultra+ is set up for 256
- colors; the number of colors on the Ultra under Windows is not
- explicitly stated, but it seems to be 256 (under Unix/X11, the Ultra
- has 256 colors in 1024*768). Both cards have 1 MB RAM. In any
- case I've tried reconfiguring the Ultra+ to fewer colors, and had no
- improvement in performance-- not to mention the complete disappearence
- of scroll bars, due to the buggy drivers.
-
-
- I had no problems with the Sony 1304 (trinitron) setup; I picked 70 Hz
- vertical from the ATI custom configuration menu, which jived with what
- was in the Sony manual for 1024*768 non-interlaced. I've also configured
- the system for 800*600, with no gain in performance.
-
- The Ultra+ is set to "shared" for VGA/8514a memory, with an aperture at
- 12MB.
-
- The ATI documentation is extraordinarily unhelpful -- there is no hint
- as to whether an "improper" monitor setup will lower performance.
-
- Any reasonable advice would be appreciated. The "old" Ultra was so fast-
- I expected a performance boost with the new card -- what a shock!!
-