* Setting IDE mode to PIO for compact flash
@ 2005-11-30 10:12 Gregg Nemas
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From: Gregg Nemas @ 2005-11-30 10:12 UTC (permalink / raw)
To: linuxppc-embedded
I have a compact flash connected to a PPC440GP processor in "true IDE"
mode. The DMA signals are not connected, so the device must be used in
PIO mode.
However, when I issue hdparm -i, it indicates that the current mode is
DMA mode mdma2, and I think this must be why I am getting "lost
interrupt" messages. Unfortunately, when I try to set the mode to PIO
using "hdparm -p1" or "hdparm -X9", it seems to have no effect.
What do I need to do to get the drive to be set to use PIO?
I amusing linux 2.6.12.3.
Thanks.
Gregg
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2005-11-30 10:12 Setting IDE mode to PIO for compact flash Gregg Nemas
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