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[Discuss-gnuradio] problems with dual AMD athlon


From: Ravi Palaniappan
Subject: [Discuss-gnuradio] problems with dual AMD athlon
Date: Mon, 17 Feb 2003 20:38:39 -0500

if anybody out there is using a dual AMD athlon processor pls take note of this known problem posted in the README of the mc4020 driver.


KNOWN PROBLEMS
--------------

The AMD 768 southbridge used on dual processor Athlon motherboards
(and maybe others too) has a problem with the secondary PCI bus
arbiter.  It will allow the on chip IDE controller to hog the bus,
regardless of the PCI latency timer settings.  The symptoms are that the
mc4020 driver logs "mc4020: overrun" to the kernel log, and that you've got
gaps in your data.  One work around is to disable the on board IDE
controllers, and use an add-in IDE card.






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