X-Authentication-Warning: delorie.com: mail set sender to djgpp-bounces using -f Message-ID: <40101D96.8070103@hccnet.nl> Date: Thu, 22 Jan 2004 19:59:34 +0100 From: Rob Hamerling User-Agent: Mozilla/5.0 (OS/2; U; Warp 4.5; en-US; rv:1.4) Gecko/20030624 X-Accept-Language: en-us, en, fr, nl, de-de MIME-Version: 1.0 To: djgpp AT delorie DOT com Subject: error 4 with write to serial port Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Reply-To: djgpp AT delorie DOT com [2nd attempt, previous msg lost?] I have built a DOS program with DJGPP to access a serial port. This program works fine under plain DOS (ic IBM PC/DOS 6.3). However when I boot from a bootable diskette created with WinXP and start the program it returns error 4 with a write() to the serial port. What could be the reason? Any solution/circumvention?? Regards, Rob -- Rob Hamerling, Vianen, NL phone +31-347-322822 homepage: http://www.robh.nl/