On 11/26/2011 1:37 PM, Viesturs Lācis wrote:
> 2011/11/26 Dave<e...@dc9.tzo.com>:
>    
>> Yes, EMC2 is installed, I have the 7i43 attached with a Mesa EPP ribbon 
>> cable and all is well so far.
>>
>> But I did see that exact same error message along the way.. as I forgot to 
>> hook up the 5v to the card at one point.
>>
>> I also saw that error as I was setting up EMC2.  I forget what I did wrong, 
>> but I loaded the standard demo app and a realized that I had done something 
>> else wrong and I corrected it.  However I do not recall what I corrected.  
>> Something in the EMC2 setup files - ini or hal, etc.
>>      
> It does not make much sense to me, but I will try to recheck the power supply.
>
> Is there anything else I can do to identify the problem?
> It is not D525-specific issue, because now I have hdd and 7i43
> attached to Gigabyte GA-K8N51GMF-9 board with some AMD cpu.
>
> BTW, I am now thinking of "plan B", because I expect that I will not
> fix the problem and definitely will not get any other (probably, pci
> based) solution in time.
> So I have a question - what happens, if I will connect 7i37 pins
> directly to LPT pins? Inputs to lpt input pins and output drivers to
> output pins respectively.
>
> Viesturs
>
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>    

Viesturs,

Is your 5 volt supply that you are using floating? IE, the 0V level is 
not referenced to the wall plug etc?

If you are not sure, you might want to try stealing 5 volts off your PC. 
You can cut off a USB cord and get 5 volts from that and that will be 
referenced to PC ground obviously. On my bench top mockup I cut off a 
Floppy disk drive connector from the power supply to use the red and 
black wires for +5 and ground to drive the 7i43 card. It works fine.

Also, how long is your EPP cord? I forget the max distance but it is not 
very far. Maybe 6 feet or so?? I think the specs are in the 7i43 manual.

Dave



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http://p.sf.net/sfu/splunk-novd2d
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