Re: Interfacing to parallel port dongle via USB adapter

On Thu, 03 Apr 2008 16:01:45 GMT, Joerg
<notthisjoergsch@xxxxxxxxxxxxxxxxxxxxx> wrote:

mrdarrett@xxxxxxxxx wrote:
On Apr 2, 2:36 pm, "Paul E. Schoen" <pst...@xxxxxxxxx> wrote:
I have software (PADS Layout) that requires a parallel port dongle, and it
works fine on my present (fairly old) computer, which has a native parallel
port. But newer computers, particularly laptops, do not have these legacy
ports and instead use USB to Parallel (or USB to Serial) converters. They
generally work well for printers, but I have heard that they do not work
for dongles. The usual solution is to obtain a USB dongle from the software
vendor (www.mentor.com), but they require the user to be on "maintenance"
in order to get a USB dongle, and they impose outrageous penalties and
payment of back (unused) support in order to be reinstated.


Newer DESKTOP computers, to my amazement, often still have parallel
ports.

My department is upgrading computers this month - the lease is up for
our current computers - and the newer, 2GB HP machines have... a
parallel port! I expressed my amazement to the IT staff, and they
looked at me like I was on drugs...

True, to save space, newer laptops likely won't have them.

Any particular reason you can't maintain an older machine to run
"legacy" applications? Sounds cheaper.


The bridge chips on main boards almost all support LPT. Sometimes there
is a pin header or at least the empty position for one. On my latest
Dell there ain't. The bridge chip supports LPT and all other legacy
stuff but they took LPT out of the layout. They even removed the 2nd
floppy support from the BIOS :-(

Harumph. Grumble.

So why did you buy Dell?

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

America: Land of the Free, Because of the Brave
.

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