Path: utzoo!attcan!uunet!wuarchive!usc!apple!altos!altos86!rcollins From: rcollins@altos86.Altos.COM (Robert Collins) Newsgroups: comp.sys.ibm.pc.hardware Subject: Re: PC/AT (a.k.a. ISA) Technical Specs Message-ID: <3825@altos86.Altos.COM> Date: 15 Aug 90 15:16:24 GMT References: <866@gvlv2.GVL.Unisys.COM> Reply-To: rcollins@altos86.UUCP (Robert Collins) Distribution: na Organization: Altos Computer Systems, San Jose, CA Lines: 23 In article <866@gvlv2.GVL.Unisys.COM> miller@gvlv3.gvl.unisys.com (Bruce J. Miller) writes: >Can anyone supply me with a source for the "official" PC/AT (a.k.a. ISA) >technical specifications? Hopefully this should include not only pinout >info for the connector(s) but signal timing charts and relationships. > That's exactly the problem. No specs were ever published. But somebody recently published a book with timing diagrams, and I would assume it has the pinout of the bus connector as well. But, in case it doesn't you can look in IBM's "Technical Reference Personal Computer AT" PN 6280070. That book at least has the bus connector pinout. The timing stuff was recently published in a book called ... Well sorry, I can't find it right now. But I saw an ad for it in the July issue of "TECH SPECIALIST." TECH SPECIALIST is a new magazine for techies, and can be bought in B. Dalton Book stores. -- "Worship the Lord your God, and serve him only." Mat. 4:10 Robert Collins UUCP: ...!sun!altos86!rcollins HOME: (408) 225-8002 WORK: (408) 432-6200 x4356