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- Path: sparky!uunet!ulowell!m2c!bu.edu!dartvax!coos.dartmouth.edu!abs0
- From: abs0@coos.dartmouth.edu (Kelvin Leung)
- Newsgroups: comp.sys.amiga.misc
- Subject: Re: A4000 with 68EC040?
- Message-ID: <C1Gxw1.E07@dartvax.dartmouth.edu>
- Date: 26 Jan 93 16:02:22 GMT
- References: <1993Jan26.071724.2050@CSD-NewsHost.Stanford.EDU>
- Sender: news@dartvax.dartmouth.edu (The News Manager)
- Organization: Dartmouth College, Hanover, NH
- Lines: 39
-
- mark@killdeer.Stanford.EDU (Mark Hosang Yim) writes:
-
-
- >Hi,
-
- >I just bought an A4000. I was looking through the user's guide and it
- >says.
-
- >"A4000 models shipped with a 68040-level microprocessor on the
- >processor module may have the 68EC040 variation of the chip. The EC
- >chip omits the internal FPU and MMU present on the full 68040.
- >..."
- >it goes on to say that the full 68040 would have dramatic increases in
- >math operations over a 68EC040 68882 combination, and that the EC is
- >chip replacable with the 68040 for those who want to upgrade.
-
- >I'm kinda surprised... I got the machine intending to do some heavy
- >math. I just assumed it'd be full 68040, especially after reading
- >reviews and stuff on the net. Did this subject come up? Guess I
- >should have done more research...
-
- >How do I tell if I've got an EC? (can't open the box without voiding
- >warrantee). Showconfig and CPU programs say I've got a 68040/68882.
- >(looks kinda bad...though doesn't say 68EC040 explicitly)
- >Are all current A4000's EC's or full 68040's?
- >Does anyone know just how different they are? (besides no MMU)
-
-
- Buddy, you got an 040. If you don't believe me, try removing the heat-sink
- and look at the chip yourself. So far Commodore (in USA, at least) has
- never sold an ec040 Amiga 4000. The manual is wrong.
-
- >thanks
- >mark
- >mark@killdeer.stanford.edu
-
- Yours Sincerely,
- Kelvin
- e-mail: abs0@coos.dartmouth.edu
-