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How to install the PortTalk driver permanently (to run WinPic under Win XP with a user account) This document describes how to install Craig Peacock's PortTalk driver under Windows XP. Under Windows XP (etc), you may want run WinPic with a user account later. But to install the PortTalk driver, you need a administrator rights. The driver only needs to be installed once (with an admin account), but it can be used later with a user account.
More up-to-date information about PortTalk can be found on the website (look for the chapter 'Starting and installing the driver'). The following text describes how I (the author of WinPic) installed the PortTalk driver under Windows XP in November 2005. Notes: • Port Talk is not required under Win 95/98/ME. So ignore this document if you run WinPic under one of those systems - use the option 'I/O port access already granted before start'. Furthermore, if the steps shown below sound too complicated for you, run WinPic under Win XP with an administrator account. In that case, WinPic can install, start, and stop the PortTalk service automatically. • Why use PortTalk for the PIC Programmer? • Why run your PC without admin rights?
Because it's safer, especially if you frequently surf the net. With admin rights, a malicious software (or visitor) can do all sorts of things to your system, which you certainly don't want. To install the PortTalk driver: • Boot your PC with administrator privileges • Copy the PORTTALK.SYS to your /system32/drivers directory. • Click on the PORTTALK.REG file to load the required registry keys. (for reference, the contents of are listed in the appendix, and a Regedit screenshot after the successful installation) • Reboot the computer (this time with a normal user account). • Start WinPic (with 'I/O Port Access Driver' set to 'use Port Talk'). If the PortTalk installation was successfull, WinPic can access your PIC programmer on the serial or parallel port now.