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AST ATI Mach32 Driver

Because inside our new AST Bravo is the latest technology from Intel, Microsoft", ATI EDO RAM, bit ATI mach 64 VT graphics, synchronous graphics RAM. ATI mach32 DPMS TSR designed for use with Wind 95 and the ATI mach32 graphics accelerator ATI mach32 Driver for Microsoft Windows /3. v o (Requires ) This Web page was last modified on 4/25/ AM. Mach32 Setup Tips (ATI Site) Broke. Graphics Problems with ATI Mach32 Video Adapter on MCA Computer I just went through the same thing last week.


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AST ATI Mach32 Driver

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The main reason for a direct memory aperture feature is that it allows an application to write to AST ATI Mach32 video display memory directly, bypassing the overhead of the standard "paging" system required by VGA and SVGA cards. The major benefits AST ATI Mach32 a memory aperture are apparent when dealing with graphics which are not "vector-based", such as continuous tone bitmapped images.

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In an aperture-disabled configuration, these graphics, which cannot be easily translated into vector-based commands for the mach32 accelerator, must be passed through the standard "video memory window" in the AAFFF region, AST ATI Mach32 above k. Since the standard VGA window is only 64k in size, moving a large image onto the screen can involve several operations.

These busses support bit data transfers, and generally operate at higher speeds than the bit ISA bus. Thus, while the main function of the mach32 chipset - offloading screen vector processing from the CPU - is unaffected by the hardware platform or the state of the memory aperture, the processing of bitmapped images will be more rapid on machines in which the memory aperture feature is available, AST ATI Mach32 even faster on a bit high speed bus. Our memory aperture can be enabled only within the addressable space on the bus.


If this space is AST ATI Mach32 by system RAM it is impossible to have the "aperture" share this area. Unfortunately, some versions of INSTALL will display the warning message whether you've attempted to enable the "memory aperture" feature or not. If your "power up configuration" shows the memory aperture to be disabled, you can ignore any warning messages. Make sure that the system CMOS is not set AST ATI Mach32 "cache" the memory area in which the mach32 memory aperture will be installed.

Some CMOS setups allow you to define a "cachable memory size" option.


Make sure that this is set to the actual AST ATI Mach32 of system RAM installed. Other setup routines will allow you to define a "non cachable block". If this is how your CMOS operates, be sure to define the memory aperture location as a "non cachable block". It may be necessary to adjust the motherboard DIP switches or jumpers to properly reflect the AST ATI Mach32 of system RAM installed.

Check your motherboard manual for details. On an ISA system, the default aperture state is "disabled".


The default positioning of the aperture, once enabled, is at the 10MB location. Ensure that you're using a driver version of 2. The Microsoft-supplied AST ATI Mach32 for the mach32 reads information regarding mode support directly from the card. If it reads a "factory default" configuration, only the modes shown above are made available.

AST ATI Mach32 for M32UTL. Boot to a DOS command prompt. Change the monitor type to one which matches the monitor attached, or use the CUSTOM option to setup each resolution supported by the monitor attached.

Additional resolution and color depth options should now be available. It also has a AST ATI Mach32 configuration utility available. I drive a fixed frequency IBM with mine. As the monitor only works at three specific frequencies, I used the DOS firmware configuration utility to program in my specific needs to the onboard eprom on the GUP.

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There are two ways to do this. First there is the hard way which uses a text file, similar to the XF86Config file, which is read by a AST ATI Mach32 like program that transfers the info to the eprom on the ATi card. It's about as fun as figuring out dot clocks.

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