[CQ-Contest] Ic 706 Mark 11 and Writelog for NAQP CW

[Rex Maner]

Quack  Quack's
I still have an old  486 with windows 3.1 and it does just fine with keying 
NA and the LPT port.

I'm using for everyday and current use N1MM . a Compaq  3400+ AMD  with 512 
ram and strait out of Lpt with single transistor ckt that I can take out and 
use on the  old 486 box and can't hear any differance in the keyed CW, 
however I am not an probably never will be one of the 50 WPMers.

Q




----- Original Message ----- 
From: "Hal Kennedy" <halken at comcast.net>
To: "CQ-Contest" <cq-contest at contesting.com>
Sent: Wednesday, August 01, 2007 5:00 PM
Subject: [CQ-Contest] Ic 706 Mark 11 and Writelog for NAQP CW


> >Smooth CW is essentially impossible from software to I/O port due to the
>>CPU constantly interrupting the CW stream to service interrupt calls.
>
> This is folklore and simply incorrect.  I'm with K7SV and the hundreds
> (thousands??) of us who key just fine under Windows with a 1 transistor
> level shifter.
>
> I've run Writelog, N1MM and WinTest on four different Windows desktops
> running everything from  an original Pentium-75 with Windows 95 to a 
> blazing
> XP machine, as well as on four different notebooks - all with smooth 
> keying
> up to 50 WPM out of LPT1 and out of COM1 (and I don't mean COM1 driving a
> data stream to an external keyer - I mean CW keying straight out of COM1).
> All that's needed is to turn off unnecessary software running in the
> background that is causing unnecessary interrupts.
>
> Hal - N4GG
>
>
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