Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10 5/3/83; site houxt.UUCP Path: utzoo!linus!philabs!cmcl2!seismo!harvard!talcott!panda!genrad!decvax!harpo!whuxlm!whuxl!houxm!ahuta!houxt!pc6300 From: pc6300@houxt.UUCP (P.CABCD) Newsgroups: net.micro Subject: 8087 patch for AT&T PC6300 Message-ID: <542@houxt.UUCP> Date: Mon, 29-Apr-85 13:14:21 EDT Article-I.D.: houxt.542 Posted: Mon Apr 29 13:14:21 1985 Date-Received: Thu, 2-May-85 05:56:22 EDT Organization: AT&T Information Systems, Holmdel NJ Lines: 49 NOTE: To 8087-2 users working with Microsoft Compilers An incompatibility with the non-maskable interrupt handler will cause the machine to hang when running programs that detect 8087 exceptions, e.g. Divide by Zero, Square Root of a negative number. Entering the following code in the Debugger will remedy the problem. You will be notified of a more permanent fix, when available, if you return the card below. Enter the following commands: DEBUG Oa0,80 Q This command must be re-entered each time the PC 6300 is booted, or when the reset button has been pushed. A soft re-boot, CNTL-ALT-DEL, will NOT require the command to be re-entered. means to press the RETURN key. The DEBUG program may be found on the MS-DOS Supplemental Programs Diskette supplied with the MS-DOS Users Guide. ________________________________________________________________ Mail to: AT&T Information Systems HOT LINE 485 Route 1 South Parkway Tower C 3rd Floor Iselin, N.J. 08830 Send a more permanent 8087-2 fix, when available to: NAME _______________________________ ADDRESS _______________________________ _______________________________ CITY ___________________STATE ______ ZIP __________