20 Aug
2006
20 Aug
'06
3:05 a.m.
Roy J. Tellason wrote:
There's a DA-26 around - it's like a DA-15 "Ethernet AUI" connector, but
with
three rows of high-density pins.
NCD 88k X terms used them for video out. The only other place I immediately
remember seeing them is on some obscure network comms gear for communication
between modules.
The Amiga certainly did - it was common practice to hack a readily-available
DB-25 connector so that it would fit :-)
I seem to recall that HP used a D-shell connector with only three larger round
pins for video on some of their stuff (possibly DE sized, but I have a feeling
it might be slightly larger).
Then of course Sun and SGI favoured the 13w3 connectors for video, in a DB
shell size.
Apollo used another oddball D-type connector for their token ring networking -
can't quite recall the size of that one. Wasn't it something like a DA shell
but with only five or so 'normal' pins and a pair of larger round pins?
cheers
Jules
DD is a much
larger size, supporting 50 pins. Some of the older Sun
equipment uses this for SCSI, which is the only use I know it from.
I did run across those on the boards I was recently wondering about in here.
They're the only ones I know of (excepting "VGA" sockets) that use three
rows
of pins. I also
don't know whether there are any other sizes with names. Other
sizes, though rare, do exist; for example, NeXT used a D-shell
connector of an odd size, with something like 19 pins, to drive their
greyscale video displays.
It's also my understanding that the Atari ST (?) used an oddball of that sort,
maybe 23 pins?