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Article #807Re: Floating Point Processer not accessed?
From: Marc J. Stephenson/140000;1C-22
Date: Thu, 02 Aug 1990 22:17
Date: Thu, 02 Aug 1990 22:17
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1487 bytes
You sure you got that right? When the command 'fptype' tells you that it is using software emulation, then that matches the configuration for a ROMP (not APC) without a floating point accelerator. There are 5 configurations: ROMP, no FPA = software emulation ROMP, FPA I = FPA I ROMP, FPA II = Advanced floating point accelerator APC, no FPA or FPA I = MC68881 (overrides FPA I, if there) APC, FPA II = Advanced floating point with DMA (best combo) Run dbx on anything (even /etc/passwd), run the 'registers' command, and see how many floating point registers show up. If it shows 32, you've got an FPA II, 8 + status = MC68881, 7 + status = FPA I or software emulation. I don't understand your diagnostics results. -- Marc Stephenson (marc@stingray.austin.ibm.com) DISCLAIMER: The content of this posting is independent of official IBM position. External: uunet!cs.utexas.edu!ibmaus!auschs!stingray.austin.ibm.com!marc Internal: marc@stingray.austin.ibm.com VNET: MARC at AUSVMQ T/L: 793-3796
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!romp!auschs!awdprime!stingray.austin.ibm.com!marc From: marc@stingray.austin.ibm.com (Marc J. Stephenson/140000;1C-22) Newsgroups: comp.sys.ibm.pc.rt Subject: Re: Floating Point Processer not accessed? Message-ID: <3028@awdprime.UUCP> Date: 2 Aug 90 22:17:42 GMT References: <90214.104334RFY630@MAINE.BITNET> Sender: news@awdprime.UUCP Organization: IBM AWD, Austin Lines: 22