[WT-support] erratic CW sending with internet

[Milan Pelech]

Bob,

I am sure Jorge means 256 MB RAM, not kB. It would be little memory for MS-DOS also. But doesnt matter, because both values in kB or MB are too low for serious operation WinXP :-)

My Dell Latitude D600 with 768MB RAM and XP Pro+SP3 with no problem during CQWWCW this year. Used LPT keying ofcourse, and last WT 3.27.1. No time for Microham setup and cabling. But only single op activity. No WT network used.

In the past LPT keying troubles were registered only in large WT networks like IARU HF headquarter operation. I think it depends mainly on CPU load in compilance with network log sync traffic, system access method to LPT port (different in W98 and NT systems like W2k,WinXP), LPT BIOS settings (alowed DMA or strict IRQ) etc. 

GL de Milan, OK1VWK/OL3R



  ----- Original Message ----- 
  From: Bob Wilson, N6TV 
  To: support at win-test.com 
  Sent: Tuesday, December 15, 2009 1:33 AM
  Subject: Re: [WT-support] erratic CW sending with internet


  I am kind of puzzled by these reports because I never had a timing problem running Win-Test 3 with LPT port keying even on slow PCs.  But since then I started using a WinKey (comes with MK2R+).

  The only time I could make LPT CW sound funny was when tried to use the mouse to select a Win-Test menu item while it was sending.  Other than that, the CW was perfect.

  But I agree, 256 KB RAM is way too little to run anything on Windows XP; the result will be lots of memory paging and disk I/O and that will slow everything down.

  Is everyone seeing a new issue in Win-Test 4 having to do with poor CW timing when using LPT or COM port keying instead of a WinKey?

  73,
  Bob, N6TV

  On Mon, Dec 14, 2009 at 3:23 PM, OK1VSH Standa <ok1vsh at gmail.com> wrote:

    Source of this problem is Windows. You must use for example procucts from K1EL

    Patrick 9A5CW wrote: 
      Hi,
      try this small utility http://www.diefer.de/speedswitchxp/index.html maybe helps a bit, check your current CPU speed b4 using this utility.

      73


      On Sun, Dec 13, 2009 at 5:11 PM, Jorge Diez - CX6VM <cx6vm.jorge at adinet.com.uy> wrote:

        Hello,



        I have  PIII 1000 MHz with 256 RAM



        A nice laptop still with LPT port!



        This weekend we try internet and seems that when internet is running, some pages are loading or the spots are refreshing, the CW that send through a LPT interface became very bad.



        Sometimes CW6W, CW5Q, or something very bad instead of the correct CW5W.



        IS this notebook marginal to use with internet and Win-Test?



        Thanks!

        Jorge

        CX6VM/CW5W


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      -- 
      9A5CW - Patrik Hrvatin
      --... ...--

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73! de Standa OK1VSH
Member of OK1KFB Radioclub Vodnany, Locator: JN79CD, Phone +420 732 386 006, skype: standaholecek, ICQ: 569086631

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