[Soekris] CF Master/Slave issue workaround on 4801
karn at ka9q.net
Sun Oct 23 08:51:58 UTC 2005
Stuart Henderson wrote:
> They are all supposed to do cable select, but it's not always sampled at
> reset, just power-up. Read more about it is here:
Thanks, that explains it pretty clearly. Ugh.
> IME it hasn't been a problem with hard drives on standard PCs over the
> last few years. You've got to work with it when you use CompactFlash
> since there's no other way to indicate master/slave (e.g. in a CF-IDE
> converter, the jumper really means cableselect/secondary, regardless of
> what's actually printed on the pcb, so you have to use the appropriate
> connector if you want primary).
So I guess buggy cards could still be used with some sort of adapter to
force the select pin to the desired state at reset. Ugh again.
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