[Forum] Articia: Still DMA-problems? | ANN.lu |
Posted on 20-May-2003 11:16 GMT by Senex | 122 comments View flat View list |
From a news-item at VGR.com it appears that the current Articia-northbridges might still have DMA-related problems:
"Mr. S.W. who sends over screen shots of newer AmigaOne 800mhz G4 hardware, has sent over 2 screen shots of the new A1 with G4 running 'amigaone xe/g4 7451 800mhz, excalibur radeon 9000 pro 64mb ddr ram, valueram kvr133x72rc3/256 kingston'. He wants to know '.. if other aone users have that problem as well..', 'it never outputs the same checksum with dma enabled when testing an iso file which is larger than the swap space used'
You can see the Radeon 9000 Pro screen shots here: DMA On & DMA Off."
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Articia: Still DMA-problems? : Comment 39 of 122 | ANN.lu |
Posted by Snowfox on 20-May-2003 15:17 GMT | I had one of these buggy x86 via686 boards and used it under linux. You can only test that with big files and doing the same thing over and over again and then compare results. And no, it was not only from one channel to the other channel. I had same prob when working on only one harddisk as well. I remember i only formated one harddisk and had filesystem errors right after that. I didn't copy anything. So i dunno, all i can say is it is very annoying and i just threw it away as i found out what exactly was causing the errors. new board - problems gone. so i dunno i heard a new bios would fix it as well. who knows hehe.
and btw.: harddisk access without dma access is damn slow. so turning it off is no real option. |
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