Thanks, John, for an illuminating explanation. I'd hazard a guess,
from your description, that this programme is using the most awkward
method.
My range of LPT cards used includes some quite old ones with 'proper'
driver outputs. Even those have trouble with this darned dongle. One
or two other users report that the older versions of the programme
used a different design of dongle containing simply a serial EEPROM and
apparently even those versions weren't reliable. So it seems like
company policy to have a flaky dongle!
Thanks again for your help.
Ron.
On Sun, 8 Oct 2000 00:25:41 -0700 John Tomany wrote:
> (....)
> Dongles were usually reliable - but depended upon a good, strong
> high-current parallel port that worked bidirectionally. Many of
> the newer ports (especially those built into a modern motherboard)
> use low-current CMOS or low-power TTL. You might find that the best
> way to make your existing dongle setup more reliable is to pick up an
> *old* card containing a parallel port, and disable your present LPT1
> port.
> - John T.
-- Arachne V1.66, NON-COMMERCIAL copy, http://arachne.cz/
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