Modifications T to Z - The World of Free Packet Software Amsterdam
www.alwaysfree.nl - Here Can You Find The NL3ASD Modification Files - 56K Modem Fixes And 56K Modem Bug Report
Homepage The World of Free Packet Radio Software Amsterdam The Netherlands



THE WORLD OF FREE PACKET RADIO SOFTWARE AMSTERDAM THE NETHERLANDS

HERE CAN YOU FIND THE PACKET RADIO AND HAM RADIO MODIFICATIONS



Subject: 9600 FULLDUPLEX on the Pac-Comm TNC-220

                  by D. Hulatt G4WFQ 19th Aug 90

                  ------------------------------



Locate 74HC4020 and remove from IC socket



CAREFULLY bend pins 1 and 12 up



Solder flying leads to pins 1 and 12 on 74HC4020



Solder flying lead to pin 12 on SIO 8530 chip



Use a SPDT switch to switch to 2 signals from 4020 to SIO



Replace 4020



Drill 1/4 inch hole in rear plate above RS232 slot



Insert switch and secure.



Thats it.  Throw switch for 9600 FULLDUPLEX operation, revert for

normal.  NB:You still have to change buad rate in s/w.



I hope this information will be of use to some. I would like to thank

Uk Agent for trying to get info from Pac-Comm. It must be like trying to

get blood out of a stone.



Thanks Pac-Comm, no need to bother now I've done it myself!



73 de Dave G4WFQ
SOURCE: The QRZ Windows Ham Radio CDROM



The Weather in Amsterdam The Nederlands
Amsterdam







Google PageRank


http://www.intelseek.com



If You Click Here You Can Vote For Oure Free Websites in The Top 100 List
CLICK HERE AND YOU CAN VOTE FOR OUR FREE WEBSITES IN THE TOP 100 LIST




Web CEO - The Ultimate Software Suite For Web Site Promotion
A TOP RANKING? USE THE ULTIMATE SOFTWARE SUITE FOR WEB SITE PROMOTION




Submit Your Site To The Web's Top 50 Search Engines for Free!
SUBMIT YOUR WEB SITE NOW TO THE INTERNET TOP 50 OF SEARCH ENGINES FOR FREE





ALEXA BANNER THIS BANNER GIVES THE DALLY STATISTICS OF THIS FREE WEB SITE




The World of Free Packet Radio Software Amsterdam
The World of Free Packet Radio Software Amsterdam The Netherlands

The World of Free Packet Radio Software Amsterdam The Netherlands - All Rights Reserved