Kim 1

Brent Hilpert hilpert at
Wed Feb 17 22:25:52 CST 2016

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 inside
>> 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, but
> 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 sort
> 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 to
> write-protect firmware, resident software, etc.

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