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From: oster@lapis.berkeley.edu (David Phillip Oster)
Newsgroups: comp.sys.mac
Subject: Re: MacXL WD2001 Use
Message-ID: <2692@jade.BERKELEY.EDU>
Date: Thu, 5-Mar-87 17:59:04 EST
Article-I.D.: jade.2692
Posted: Thu Mar  5 17:59:04 1987
Date-Received: Sun, 8-Mar-87 05:14:11 EST
References: <4269@utcsri.UUCP> <512@apple.UUCP>
Sender: usenet@jade.BERKELEY.EDU
Reply-To: oster@lapis.berkeley.edu.UUCP (David Phillip Oster)
Organization: University of California, Berkeley
Lines: 8

In article <512@apple.UUCP> dgold@apple.UUCP (David Goldsmith) writes:
>In article <4269@utcsri.UUCP> outer@utcsri.UUCP (Richard Outerbridge) writes:
>>The MacXL I/O board has an empty, unsocketed spot labelled "WD2001"
>The socket was for a floating point arithmetic coprocessor, not a DES chip.

According to documents that Apple sent me at the time, the floating point
co-processor chip that goes in that socket actually runs slower than doing
the floating point in 68000 machine language!