Path: utzoo!attcan!uunet!cs.utexas.edu!sdd.hp.com!usc!apple!rodneys
From: rodneys@Apple.COM (Rodney Somerstein)
Newsgroups: comp.sys.mac.hypercard
Subject: Re: System 6.0.7 vs. Hypercard 1.2.5
Message-ID: <45767@apple.Apple.COM>
Date: 18 Oct 90 08:26:11 GMT
References: <47242@cornell.UUCP>
Organization: Apple Computer Inc., Cupertino, CA
Lines: 23

In article <47242@cornell.UUCP> hal@cs.cornell.edu (Hal Perkins) writes:
>The ReadMe file on the System Tools 6.0.7 disk includes the amazing
>statement:
>
>	You must use HyperCard 2.0 with System Software 6.0.7.
>	Hypercard 1.2.5 or any earlier version is not compatible with
>	System Software 6.0.7.
>
>What's the deal here?  Why does HyperCard 1.2.5 work with System 6.0.5
>but not with 6.0.7?  So much for upward compatability.

The reason for that statement is that System 6.0.7 uses the System 7.0 Sound Manager,
which HyperCard 1.2.5 is incompatible with.  You can still run HyperCard 1.2.5
if you turn off the sound in the control panel before launching HyperCard.

-Rodney

-- 
----------------------------------------------------------------------
Rodney Somerstein
rodneys@apple.com
CIS: 73167,2165
AppleLink: SOMERSTEIN1