ThisUSED - Vintage - Prolink - MVGA-AVGA3VL CIRRUS LOGIC VESA LOCAL BUS - CL-GD5426Video Cardwas traded in.
It was working on the day it was pulled to be put in stock and tested to have no original packaging.
ThisUSED - Tested -Vintage - Prolink - MVGA-AVGA3VL CIRRUS LOGIC VESA LOCAL BUS - CL-GD5426Video Cardwas pulled and kept as a spare / replacement.
It is no longer this Video Card
CL-GD5426Launched: 1993Bus: VLBMemory: 1 MB FPM - with the ability to upgrade to 2 MB FPMMemory Clock: 50 MHzCore Clock: 80 MHzRAMDAC: 24-bit
The CL-GD5426 was the first Cirrus Logic chipset that got a 32-bit hardware BitBLT (bit block transfer) engine and also the first to support up to 2 MB of video memory. 15-pin D-SUB only.
Core clock runs at 80 MHz, memory at 60 MHz.The ISA bus version could operate at up to 12.5 MHz while the VLB version ran at 50 MHz.
\"Cirrus Logic, well-known for its GD5422 dumb frame buffer chip used in boards such as Sigma Designs\' WinStorm and STB Systems\' Evolution VGA, enters the video acceleration market with the Cirrus Logic GD5426. But the GL5426 sticks close by Cirrus Logic\'s frame buffer roots by performing best in DOS video modes.
The GD5426 doubles the Graphics Winmark performance of its non-accelerated sibling at some resolutions and color depth, but the problem is that the GD5426 still lags behind when measured against Windows performance of much of the accelerator competition.
The GD5426 boards we tested managed only 4.04 to 4.14 megapixels per second in 16-color Super VGA and 4.41 to 4.60 in 16-color 1,024-by-768 mode tests, for example, while [S3] 86C801- and 86C928-based products racked up average scores of 10 megapixels per second in these modes. (Even the 86C924 chip outdid the GD5426: the boards using that chip scored around 7 megapixels per second).
At 256 colors in Super VGA and 1,024-by-768 resolutions, the GD5426-based cards scored close to or a little better than 8 megapixels per second, but those scores still did not come close to those achieved by most of the 86C801-based or 86C928-based competition (which scored around 12 to 14 megapixels per second).
All the GD5426 boards we saw used a 16-bit ISA hot bus interface. According to Cirrus Logic, the chip itself delivers 32-bit access to display memory and also has a 32-bit internal data path for Extended Industry Standard Architecture (EISA) or local-bus solutions. Part of the reason GD5426-based boards can\'t keep up is that the chip accelerates only BitBlts, image transfers and raster operations.
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