Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!srhqla!quad1!few
From: few@quad1.quad.com (Frank Whaley)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Serial Printer FIX
Message-ID: <13661@gouda.quad.com>
Date: 15 Jun 90 01:33:41 GMT
References: <3249@astroatc.UUCP>
Organization: Quadratron Systems, Westlake Village, CA
Lines: 15

Turns out some (cheap, like I bought) serial cards don't handle OUT1
the way I originally thought.  Line 199 of xonxoff2.asm, which reads:
	OR	AL,0FH			; set DTR, RTS, OUT1, OUT2
ought to read:
	OR	AL,0BH			; set DTR, RTS, OUT2
The previous version might keep all COM interrupts disabled.
-- 
Frank Whaley
Senior Development Engineer
Quadratron Systems Incorporated
few@quad1.quad.com
uunet!ccicpg!quad1!few

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