[Elecraft] DVI connectors with an P3SVGA

Tom Azlin N4ZPT tom at n4zpt.org
Thu Mar 22 18:15:53 EDT 2012


I discovered the same thing. Guy at the local small computer shop said 
do not bother. So I checked my weather computer to discover it had a DVI 
connector in back then just bought a DVI-D cable which the display card 
recognized fine. then used the now empty VGA connector/cable with the 
P3. Works nicely.

73, tom n4zpt

On 3/22/2012 5:17 PM, Mike K2MK wrote:
> Hi Joe,
>
> Save your money, it won't work. My understanding is that DVI is a digital
> format and the SVGA card is an analog format. So while you can get cables
> and and/or adapters that will fit they just won't work. I haven't received
> my SVGA card yet but in preparation I conducted an experiment with my PC
> using a DVI adapter. I connected the VGA output of the PC to the DVI input
> of the monitor using a DVI adapter on the end of the VGA cable. The monitor
> won't recognize the analog signal on the DVI input.
>
> So here's what I did. My PC has both a VGA and a DVI output. I used the VGA
> output from the PC to drive the primary monitor. I then used the DVI output
> from the PC to drive the secondary monitor. I then put a VGA cable on the
> other input to the secondary monitor and have it in position to attach to
> the P3 as soon as UPS drops off the card. I only use the secondary monitor
> to display the VE7CC cluster program and there is a front mounted button on
> the monitor to switch between the two inputs.
>
> If your PC has a VGA and DVI output you can do exactly what I did with your
> single monitor.
>
> The only difficulties incurred were trying to get the PC display program to
> properly identify monitor number 1 and monitor number 2. I fiddled with it
> for quite a while but I don't remember what I did to get it right. You
> should have no problem with only one monitor.
>
> (As an aside, you can get very inexpensive DVI adapters in all of the
> various formats on eBay by way of China or other Asian destinations).
> Usually for under $3.00 including shipping).
>
> 73,
> Mike K2MK
>
>
>
> Joe Ford-2 wrote
>>
>> I had planned to use my one video monitor which has has both a VGA
>> connector and DVI connector with my PC and the P3SVGA. I ordered a cable
>> with VGA male and DVI male connectors to interface the SVGA. However, the
>> cable I got has a DVI connector which does not match the one on the
>> monitor. The cable has a DVI-A while monitor appears to accept either a
>> DVI-D or DVI-I, I'm not sure which it is. I gained what little I know
>> about DVI from the internet. It would seem the DVI-A (analog) is the only
>> connector that will work with VGA. But I could be wrong.
>>
>> A second monitor would be nice but due to available space I would prefer
>> just one. Does anyone know enough about the DVI offer advice?  Thanks.
>>
>> Joe
>> k4nvj
>>
>
>
> --
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