Hi,

Experienced Soekris user looking for some quick advice. I'm trying to
test OpenBSD 6.0 on a Net5501 but the only CF cards I have are
off-brand. I think I'm being snake-bit by PIO/DMA reads into the
filesystem and of the kernel @ Boot. I have a SanDisk card which just
works but I'd like to preserve the data on it.

1) My plan is to use dd to preserve the image on the card and move
forward with it. But...

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Can I safely expand the size card that I would use in a Net5501 to
around 16GB?

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Does anyone have experience using these:

     https://www.amazon.com/SanDisk-Ultra-CompactFlash-Memory-SDCFHS-016G-G46

CF cards in Net5501 equipment or earlier? I've always had good luck
with SanDisk cards. These aren't out of proportion expensive like most
CF cards smaller than 32G these days. If anyone has a bad experience
with these cards in particular, I'll pass on them.

----------------

Am I missing something obvious with the latest OpenBSD boot chain
config that would allow me to turn on PIO for this machine. Or, since
I believe that the ComBIOS is actually handling the reads, is there a
way to force ComBIOS to use Port I/O rather than DMA? Or, am I missing
something else entirely?

Any help would be appreciated, Thanks!

-- Chris
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