Re: 2.1.111: IDE DMA disabled?

Aaron Tiensivu (
Sun, 26 Jul 1998 22:32:49 -0400

> Two years ago, all Digital Pentium systems shipped with the CDM640 chipset;
> they all came with a DMA driver fod DOS.
> It caused no end of problems (especially with Digital's Pathworks and PCI
> Ethernet devices), and I remember it well.

Sounds as if the software developers at CMD are about as braindead as their
hardware designers, or it may just be a case of their software exposing the
bugs in the broken chip.. ;-)

Check out cmd640.c in linux/drivers/block if you're curious.. ;-)

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