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- Path: sparky!uunet!paladin.american.edu!news.univie.ac.at!hp4at!mcsun!news.funet.fi!ajk.tele.fi!funic!news.cs.hut.fi!news.cs.hut.fi!oahvenla
- From: oahvenla@snakemail.hut.fi (Osma Ahvenlampi)
- Subject: Re: Chip RAM Accelerator?
- In-Reply-To: fihsu@athena.mit.edu's message of Sun, 22 Nov 1992 19:10:56 GMT
- Message-ID: <OAHVENLA.92Nov23190405@lk-hp-3.hut.fi>
- Sender: usenet@cs.hut.fi (Uutis Ankka)
- Organization: Helsinki University of Technology, Finland
- References: <1992Nov22.191056.29476@athena.mit.edu>
- Date: Mon, 23 Nov 1992 17:04:05 GMT
- Lines: 17
-
- In article <1992Nov22.191056.29476@athena.mit.edu> fihsu@athena.mit.edu (Hsu I-wei) writes:
- >"The Fast Lane Chip RAM acclerator & 2Mb chip ram expansion removes the
- >biggest bottleneck in the Amiga - slow access to chip RAM. TFL gives super-
- >fast access to display memory by allowing the CPU & custom chips to access
- >chip ram transparently and simultaneously. Works with 1 & 2Mb Agnus chips.
- >With TFL unaccelerated machines can access display ram at the same speed as
- >fast RAM. Acclerated Amiga willl have up to 3 times this bandwidth (depending
- >on how they access the Amiga address space) The Speed Demon CPU Acclerators
- >from BKP will access CRAM at the blinding speed of 21.6 Mb/sec (6x the
- >bandwidth of fast ram)."
-
- How could the processor access chip RAM faster than Fast RAM, unless they're
- deliberately slowing fast RAM access? Or is the 6x figure compared to 68000
- fast RAM? (that 21.6 Mb/s seems awfully fast though, if its megaBYTES..)
- --
- Osma Ahvenlampi - oahvenla@snakemail.hut.fi * Workstation power for micro-
- All my opinions are not necessarily really mine * computer price: Amiga := FUN
-