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- Xref: sparky comp.sys.ibm.hardware:26 comp.sys.ibm.pc:338 comp.sys.ibm.pc.hardware:20683 comp.sys.ibm.pc.misc:11015
- Newsgroups: comp.sys.ibm.hardware,comp.sys.ibm.pc,comp.sys.ibm.pc.hardware,comp.sys.ibm.pc.misc
- Path: sparky!uunet!stanford.edu!leland.Stanford.EDU!paranjpe
- From: paranjpe@leland.Stanford.EDU (Milind D Paranjpe)
- Subject: Re: Can I use 8087 on 80286 motherboard?
- Message-ID: <1992Jul30.191748.29517@leland.Stanford.EDU>
- Sender: news@leland.Stanford.EDU (Mr News)
- Organization: DSG, Stanford University, CA 94305, USA
- References: <1992Jul28.044519.9681@leland.Stanford.EDU>
- Date: Thu, 30 Jul 92 19:17:48 GMT
- Lines: 31
-
- In article <1992Jul28.044519.9681@leland.Stanford.EDU> paranjpe@leland.Stanford.EDU (Milind D Paranjpe) writes:
- >I finally upgraded from an 8088 to an 80286. Can I use my 8087 on the new
- >motherboard? I noticed that the motherboard has a 14.31818MHz crystal near
- >the 80287 socket. Does this mean that the coprocessor actually runs at
- >4.77MHz?
- >
-
- The following cobinations are possible
-
- 8086 and 8088 with 8087
- 80186 and 80188 with 8087 (need a special chip for signal decoding)
- 80286 with 80287
- 80386 with 80287 (not for 386 mode)
- 80386 with 80387
- 80386SX with 80387SX
- 80486SX with 80487SX
-
-
- Frank
-
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- | eMail | Frank.Klemm@Physik.Uni-Jena.de || pfk@hpux.rz.uni-jena.de |
- | sMail | Frank Klemm, Wiesestr. 27, D-O-6500 Gera, Germany/Europe |
- +-----------------------------------------------------------------------------+
- | "Aber Herr Student, das X kommt doch vor dem Y!" |
- | "Nein, Herr Professor, das X kommt nach dem Y!" |
- | "Ja, aber wie kommen Sie aber darauf?" |
- | "Ja, wie wollen Sie das Wort Syntax schreiben, damit das X vor dem Y steht?"|
- +-----------------------------------------------------------------------------+
- | Die Frage ist doch: "Wo is der Kanzler" und nicht ... :-) |
- +-----------------------------------------------------------------------------+
-