Path: utzoo!utgpu!water!watmath!dalcs!dalcsug!peter
From: peter@dalcsug.UUCP (Peter Philip)
Newsgroups: comp.sys.amiga
Subject: Hurricane 68020 & O/S speedup
Summary: Anyone SEEN the Hurricane board ?
Keywords: 68020 AmigaDOS ROM
Message-ID: <271@dalcsug.UUCP>
Date: 13 Jan 88 04:37:23 GMT
Organization: Dalhousie University, Halifax, N.S., Canada
Lines: 36

I'm posting this for a friend who dosn't have access to the net :

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  Is anyone familiar with Finally Techonologies' "Hurricane" 68020/68881 board
as mentioned in the Jan. 88 issue of AmigaWorld?  Specifically, is it 
available, and how does it compare with the CSA 68020/68881 board? (A1000)
One important question is how many wait states on their 2 Meg board?  Could
it be static RAM?

  On a related note:

  An interesting technique used to speed up accesses to the ROM
BIOS in the current crop of IBM compatible 80386 machines is to copy
the BIOS to 32 bit memory and reroute the system calls.  Even for a
relatively primitive OS like PC-DOS the speedup is quite significant.
For a machine like the Amiga, which interacts with almost all hardware and 
software (IE: multitasking overhead) through system routines, the speed gained
by moving KS/ROM routines to 32 bit/fast memory vs 16 bit could be very large.
  Just how feasable is this?  I know you lose 192K or maybe 256K, but it might
be worth it, at least as an option.
  I guess you would copy the memory directly, and then change the ROMtags.
  The only problem (other than implementation) that I can think of is that some
of the code in KS/ROM must be in a location that is accessable to the
coprocessors (e.g., like the graphics data, etc. restricted to chip memory);  
but I don't think this is true.  After all, the whole OS uses relative
addressing, right?
  Thanks for any responses.

  R. Andrew MacRae
  Dept. of Geology (Student)
  Dalhousie U., Halifax, N.S.
  Canada
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Respond to the net and I will forward all replies to Andrew.
-Peter Philip