drlegendre at gmail.com
Wed Feb 17 22:58:56 CST 2016
"The 355 top opened: under the locked cover, switches can be set to
introduce faults into the circuit."
On Wed, Feb 17, 2016 at 10:25 PM, Brent Hilpert <hilpert at cs.ubc.ca> wrote:
> On 2016-Feb-17, at 5:23 PM, drlegendre . wrote:
> > "On 2/17/2016 3:32 PM, drlegendre . wrote:
> >> On the LabVolt SBC, there's a little keylock on the lower, left of the
> >> board. What's the purpose of the lock? Are there costly (RAM?) chips
> >> there, or...?
> > DIP switches, since it's a trainer, it appears they are used to create
> > "faults" to troubleshoot."
> > Just to be clear - you +know+ for a fact there are DIP switches inside,
> > you only +surmise+ they are for creating fault conditions?
> Well, you might consider this near example:
> Look down the page for the LabVolt 355.
> I forget who "dvq" is, I think they were or are on the list.
> > As mentioned, I was thinking either pricey components or possibly some
> > of anti-theft device.. opening the door exposes a feature that allows the
> > unit to be tethered to a bench.
> > This is before the days of commodity EEPROM, so it's not like they need
> > write-protect firmware, resident software, etc.
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