[Soekris] 4501: sw1? cf hotpluggable?

Bernd Walter soekris-tech at cicely.de
Wed Oct 22 11:02:18 UTC 2003

On Tue, Oct 21, 2003 at 09:43:19PM -0400, Steve Tell wrote:
> Two hardware questions on the 4501:
> 1. What is or was SW1 for?  It isn't mentioned in the manual, but the
> silkscreen is clearly marked in the corner of the board next to the 
> JP6/Eth2 connector.  Looks like it was meant for a pushbutton that could 
> have poked through another front panel hole.  Reset button perhaps?


> 2. The compact flash isn't hot-pluggable is it?
> I'm guessing no since there isn't a specific cf or pcmcia buffer chip
> and the SC520 datasheet doesn't list any features specificly for this 
> onboard.

Compact Flash is only hot-plugable when used in pcmcia mode, which is
not the case for the onboard slot, but is true if you run it in a
pcmcia slot with adapter on a 4511/4521.
The reason is that the mode pins are connected after power pins and the
card automaticaly runs in pcmcia mode.

B.Walter                   BWCT                http://www.bwct.de
ticso at bwct.de                                  info at bwct.de

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