thanks that is interesting.  so a VGA connector is DB-15.

On Thu, Apr 16, 2020 at 3:05 PM Tom Wilson <wilso...@gmail.com> wrote:

> On Thu, Apr 16, 2020 at 11:46 AM RETRO Innovations <go4re...@go4retro.com>
> wrote:
>
>> On 4/16/2020 11:17 AM, Tom Wilson wrote:
>> > Does the kit just not have a serial connector, or is it a DB-25?
>> >
>> > (fun trivia fact... there is no DB-9. The “B” refers to the size of
>> > the shell, and the 9 pin D-Sun is axtually an E size. So a 9 pin port
>> > is DE-9. But since so many people say it wrong, manufactures just
>> > incorrectly call then DB-9.)
>>
>> Which makes it a redundant statement, right:  DE-9 = D(9)-9 :-)
>>
>> Jim
>>
>>
> Not really. DE doesn't mean "9 pin." DE is the physical size of the shell.
> 9 is the number of pins. Both parts of the name are required to correctly
> specify the connector.
> A VGA port is the same size as a 9-pin serial port, but it has 15 pins on
> three rows. So it's a DE-15HD. (As you'd expect, HD means "High Desnsity".)
> A game port (the old school 15-pin one) is actually a DA shell, so it's
> DA-15.
>
> So this can cause confusion if you tell someone you need a "DB-15"
> connector, since there are two D-Sub connectors that commonly use 15 pins -
> the DE-15HD VGA connector and the DA-15
>
> [image: image.png]
>
> Here's the size chart from Wikipedia
> <https://en.wikipedia.org/wiki/D-subminiature>.
>
>
>
>
>

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