OT HDW question update

[Eric Shubert]

Interesting, Mark. Thanks for sharing this.

-- 
-Eric 'shubes'

On 01/12/2012 11:56 AM, Mark Jarvis wrote:
>
>
> If I understand what I've been reading about the DVI interface, without
> the 4 pins around the horizontal bar, there's no analog output in the
> plug--see diagram. The DVI-D ones--which is what I have on one
> machine--do not have the analog signal.
>
> Quoting: "As well as digital signals, the DVI connector includes pins
> providing the same analog signals found on a VGA connector, allowing an
> analog VGA monitor to be connected with a passive plug adapter (or with
> a converter cable with VGA at one end, and DVI-A or DVI-I at the other).
> This feature was included in order to make DVI universal, as it allows
> either type of monitor (analog or digital) to be operated from the same
> connector.
>
> The DVI connector on a device is therefore given one of three names,
> depending on which signals it implements:
>
>     * /DVI-D/ (digital only, both single-link and dual-link)
>     * /DVI-A/ (analog only)
>     * /DVI-I/ (integrated – digital and analog)"
>
> One machine has both DVI-I & VGA ports, the otheronlythe DVI-D,. I'll
> try to find a spare video card and see if that will help.
>
> Mark
>
> Stephen wrote:
>> I have dual link DVI output on my graphics card, and it worked fine
>> with the simple adapter.
>>
>> I can look and see if i have a spare. 10 bux for that is ridiculous.
>>
>> On Thu, Jan 12, 2012 at 12:04 AM, Mark Jarvis<m.jarvis at cox.net>  wrote:
>>> I have good news and bad news. The bad news is that I went by Fry's and they
>>> wanted $10 and up for an adapter. The good news is I didn't buy one. I say
>>> good news because I'm now learning a little about DVI&  I don't think an
>>> adapter is going to fix the problem. The DVI ports on my new computer are
>>> DVI-D (Dual Link). Since apparently a DVI-D port is digital only, I suspect
>>> that attempting to run that signal through a VGA interface either would
>>> require a non-simple (&  non-cheap) adapter or be impossible.
>>>
>>> It looks like the KVM box is going back (more bad news)&  I buy a more
>>> expensive KVM with DVI ports.
>>>
>>> Any advice&  comments by someone familiar with video and the DVI interface
>>> will be gratefully accepted.
>>>
>>> Thanks,
>>>
>>> Mark Jarvis
>>>
>>>
>>>
>>> Stephen wrote:
>>>
>>> The simple answer is yes, Most graphics cards come with them now, but
>>> you can probably stop by frys and get one pretty cheap. cant image it
>>> would be more than 5 bux.
>>>
>>> On Tue, Jan 10, 2012 at 11:16 PM, Mark Jarvis<m.jarvis at cox.net>  wrote:
>>>
>>> I just ordered&  received a TRENDnet 2-port USB KVM switch kit. I thought I
>>> was OK on the video because its rated resolution is greater than what I'm
>>> running.
>>>
>>> What's the problem? It appears to only have VGA video ports and one of the
>>> computers I be hooking up to it has only DVI. Is there such a thing as a
>>> DVI-to-VGA adapter? Will I have problems using this unit with my computers?
>>>
>>> I'm sure that the solution is simple,&  I probably should know the answer,
>>> but video is one area I have no expertise in.
>>>
>>> Thanks in advance for any advice.
>>>
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>>
>>