Are the cx88 drivers supported on the AMD-64 platform?

Jason Harmening jason.harmening at
Mon Nov 16 14:09:38 UTC 2009

> Can I use a Hauppauge 1800 on a system running on amd-64 with more than
> 4 GB memory, or do I need to run in i386 mode?

Yes.  The 1800 has a 64-bit DMA engine, so it can be used with > 4GB
with no performance penalty.
The older 32-bit cx88 cards are also supported on large-memory
machines, but their DMA routines may use double-buffering.

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