Kim 1

drlegendre . drlegendre at gmail.com
Wed Feb 17 19:24:56 CST 2016


"I've got one too, but please don't contact me about it.  Seriously. I will
never tell you the super magic secret.  Forget I said that."

Ok, I've forgotten that you said you'd never tell me.

So what's the box for? =P

On Wed, Feb 17, 2016 at 7:23 PM, drlegendre . <drlegendre at gmail.com> 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?
>
> 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.
>
> On Wed, Feb 17, 2016 at 5:33 PM, william degnan <billdegnan at gmail.com>
> wrote:
>
>> I've got one too, but please don't contact me about it.  Seriously. I will
>> never tell you the super magic secret.  Forget I said that.
>>
>> On Wed, Feb 17, 2016 at 5:39 PM, jwsmobile <jws at jwsss.com> wrote:
>>
>> >
>> >
>> > On 2/17/2016 1:32 PM, drlegendre . wrote:
>> >
>> >> Maybe we can salvage this thread..
>> >>
>> >> If you +do+ happen to be interested in owning an SBC / digital computer
>> >> trainer, there are still quite a few Heathkit ET-3400 up on eBay at the
>> >> moment. Prices have come up a bit - though not much - from a year ago,
>> >> when
>> >> they were selling for ~$40.00 USD.
>> >>
>> >> Nice little units, and full documentation is freely available.
>> >>
>> >> Now a question..
>> >>
>> >> 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...?
>> >>
>> >> I've got the 68HC11 version of the ET-3800 just acquired for probably
>> > more than I should have.  Anyone have any software / experience with
>> them?
>> >
>> > There appears to be a big box on Ebay for sale (x a couple of units for
>> > sale separately) for this as well, or maybe it is for the 3400.
>> >
>> > I'd be interested in what people have.  Mine came with the processor
>> > personality and the memory module only.
>> >
>> > thanks
>> > Jim
>> >
>> >
>>
>>
>> --
>> @ BillDeg:
>> Web: vintagecomputer.net
>> Twitter: @billdeg <https://twitter.com/billdeg>
>> Youtube: @billdeg <https://www.youtube.com/user/billdeg>
>> Unauthorized Bio <http://www.vintagecomputer.net/readme.cfm>
>>
>
>


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