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- Newsgroups: comp.sys.next.hardware
- Path: sparky!uunet!mcsun!news.funet.fi!network.jyu.fi!tukki!otto
- From: otto@tukki.jyu.fi (Otto J. Makela)
- Subject: Re: Upgrade to NextTurbo
- In-Reply-To: John_Graves@next.com's message of 10 Aug 92 16: 31:28 GMT
- Message-ID: <OTTO.92Aug17223751@tukki.jyu.fi>
- Sender: otto@jyu.fi (Otto J. Makela)
- Organization: The Crimson Permanent Assurance Company
- References: <dillon.0l2a@overload.Berkeley.CA.US> <4577@rosie.NeXT.COM>
- Date: Mon, 17 Aug 1992 20:37:51 GMT
- Lines: 15
-
- In article <4577@rosie.NeXT.COM> John_Graves@next.com (John Graves) writes:
- The memory system has programmable memory timing such that the number of
- processor clocks needed to access a given amount of data can be tailored
- to the speed of the memory installed. 70 ns memory is just enough faster
- than 80 ns memory to allow the cpu to access the data with fewer clock
- cycles. This improves memory system performance.
-
- Are 72-bit wide SIMMs somehow pin-coded for speed ? Or how does the
- memory system know the "safe" speed, or do you just have to set it
- manually by what you know of the SIMMs ?
- --
- /* * * Otto J. Makela <otto@jyu.fi> * * * * * * * * * * * * * * * * * * */
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-