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- Path: sparky!uunet!cbmvax!jesup
- From: jesup@cbmvax.commodore.com (Randell Jesup)
- Newsgroups: comp.arch
- Subject: Re: BUSES
- Message-ID: <33751@cbmvax.commodore.com>
- Date: 29 Jul 92 02:25:59 GMT
- References: <1992Jul23.092211.18462@nuscc.nus.sg> <1992Jul23.191927.1181@pcnntp.apple.com> <1992Jul27.191347.4485@ksmith.uucp>
- Reply-To: jesup@cbmvax.commodore.com (Randell Jesup)
- Organization: Commodore, West Chester, PA
- Lines: 26
-
- keith@ksmith.uucp (Keith Smith) writes:
- >Is it not also true however, that the current disk devices can't even
- >swamp an ISA bus? The average desktop doesn't have multiple striped
- >disks and whatnot.
-
- Sure they can. A single 3.5" drive can sustain 4.2MB/s. With
- a couple (or even maybe 1) of those, I think an AT bus would get pretty
- crowded...
-
- >Someone please correct me if I'm wrong, but I think the inherent problem
- >with a 'bus' of any description is the delay while the electrons take a
- >torturous route across the copper foiling, and thru the connectors and
- >buffers from the CPU to whatever card. As clock speeds of CPU chips
- >go up, it just takes too long for the information to run accross the
- >conductors.
-
- Well, that and the fact that skew between different signals becomes
- more of a problem at high speeds.
-
- --
- "Rev on the redline, you're on your own; seems like a lifetime, but soon it's
- gone..." Foreigner
- -
- Randell Jesup, Jack-of-quite-a-few-trades, Commodore Engineering.
- {uunet|rutgers}!cbmvax!jesup, jesup@cbmvax.cbm.commodore.com BIX: rjesup
- Disclaimer: Nothing I say is anything other than my personal opinion.
-