[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 67 of 122 | ANN.lu |
Posted by Kjetil on 21-May-2003 12:08 GMT | In reply to Comment 66 (Olegil): Using SSH means you are doing the test remotely not locally, it’s the otter computer doing the work load (summing the check sum, and reading the disk image) only text is dumped back to your computer the test proves nothing.
How ever if you make an samba mount point to the otter computer copy the disk image to the remote mount point and then do the checksum test on that file, x number of times. you should know if there is any problems with transfer. You most make shore that you do not have a HUB, problems may happen when there intense TCP/IP package crashes on the HUB and the TCP/IP package look fine except that there is tow faults equalling the fault out, only when running an otter checksum test on the file you may find changes, you should be using a SWITCH when doing the test, as a SWITCH or cross cable, SWITCH has internal channels if you will that make shore the tow and tow computers an transfer data with out crashes as long as the data flow is not going to the same place.
I have head lots of problems with my previous motherboard with PIII 800Mhz / VIA686B chipset; I have no doubt about it being the problem. |
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