[KwartzLab] Chip Mystery

[Seth Hardy]

hook up a logic analyzer to it and find out what it's doing? :)


On Wed, Feb 8, 2012 at 4:04 PM, John Van Ostrand <john at netdirect.ca> wrote:

> ----- Original Message -----
> > On 12-02-08 03:35 PM, John Van Ostrand wrote:
> > > It appears to have one component, a 6 pin chip of which only two
> > > seem to be connected.
> >
> > It could be a PCB with more than two layers. Can you see any other
> > connections if you hold it up to the light?
>
> The back was covered with a sticker that I didn't want to remove. The
> interface to the RAID card is a two pin connector so its active interface
> would be two pins.
>
> I also suspect a two-wire communicator of some kind that transmits a small
> number to the card. Could it be a challenge-response method where the card
> sends a number to the chip which does some conversion and sends back a
> result?
>
> --
> John Van Ostrand
> CTO, co-CEO
> Net Direct Inc.
> 564 Weber St. N. Unit 12, Waterloo, ON N2L 5C6
> Ph: 866-883-1172 x5102
> Fx: 519-883-8533
>
> Linux Solutions / IBM Hardware
>
>
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-- 
seth hardy
shardy at asymptotic.ca
647/890.1452
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