Article View: comp.sys.zenith.z100
Article #60Re: 10MHz 8087 & 8088
From: Kenneth Van Wyk
Date: Wed, 19 Jul 1989 17:27
Date: Wed, 19 Jul 1989 17:27
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In article 10MHz 8087 & 8088 of 19 Jul 89 14:50:58 GMT koziarzw@LONEX.RADC.AF.MIL (Walter Koziarz) writes: >BTW, Ken, are you using the ORIGINAL PALs from the 5MHz 8087 board? Yes, I am. I'm using the UCI 8 Mhz speed upgrade, and the only other things that I changed on the machine were the RAM PALs (for 256k DRAMS), the DRAMS themselves, and the processors. The only peculiarity which I've run into is that CP/M (85 and 86) won't access the hard drives at 8 Mhz, but MS-DOS (3.1) is fine - must be timing problems in CP/M, IMHO. Ken
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!pt.cs.cmu.edu!sei!krvw From: krvw@sei.cmu.edu (Kenneth Van Wyk) Newsgroups: comp.sys.zenith.z100 Subject: Re: 10MHz 8087 & 8088 Message-ID: <3661@fy.sei.cmu.edu> Date: 19 Jul 89 17:27:16 GMT References: <8907191451.AA17733@lonex1.radc.af.mil> Organization: Carnegie-Mellon University (Software Engineering Institute), Pgh, PA Lines: 12 In-reply-to: koziarzw@LONEX.RADC.AF.MIL's message of 19 Jul 89 14:50:58 GMT