home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Amiga Format 49
/
af049sub.adf
/
2091_A4000Patch
/
ReadMe.eng
< prev
next >
Wrap
Text File
|
1993-04-07
|
3KB
|
59 lines
A2091Turbo V1.2
A4000 & A2091 together forever...
(c) 1993 by Fabio Caruso
PD software freely distributable.
You bought the A4000 and you have also an A2091 built-in and you
noticed that this controller is very slow on your A4000 (approx.50kb/sec)
? Well, this is the program for you... In fact it patches dos.library functions
Read and Write, so that when the A4000 reads from hard disk to 32-bit
ram, data will be copied to a 128k buffer first, then in their final place (in
32-bit ram); during Write the process will be executed backwards.
It's important to observe that the program needs Kickstart 2.04 or later,
because it uses some functions that not work on OS 1.3 (dos-offsets
structure, 24-bit Dma memory allocation and cache's control); you must
have also at least 128k bytes of 24-bit Dma ram free, better: the prog uses
A2091 ram, if you have some, if not it uses chip ram. Also this new re-
lease (A2091Turbo V1.2) has an advanced cache's control: in fact it keeps
instruction and data (or 040 copyback) caches always on!!
It's guaranteed to function on A3000/A4000 machines in conjunction with
A2091 controller, but probably it works as well on an accelerated A500
with A590 controller and on any Amiga with an hard drive and an
accelerator that has 32-bit ram out of 24-bit space ($000000-$ffffff)
and that not supports Dma directly on the board.
To install A2091Turbo you must digit:
A2091Turbo <devices list> (ex.: A2091Turbo dh0: dh1: dh2:)
Important: devices names must be partitions names not volumes names,
better, the names in your mountlist not the names that appear on your
Workbench window. Names can be uppercases or lowcases: it's the same.
There's no problem if a device in the list not exists: it will be not
patched; and, of course, if you patch for two times the same device,
the program will recognize this and it does nothing.
To list patched devices digit:
A2091Turbo list
To remove A2091Turbo digit:
A2091Turbo quit
Enjoy with revival of your A2091 and try anything!! I believe the program
is bug's free!!!
For some suggestion or improvement write to:
Fabio Caruso
Viale Giostra n.23/c
98121 Messina
Italy
If you have a similar problem and you need a customized version please
specify:
computer name, hard drive, controller, accelerator, ram installed (16 &
32-bit), all the boards installed on your system, startup-sequence,
mountlist or autoboot partitions data (use HDToolBox or similar to read
it), and all you know about your problem and, certainly, some money for
shipping charge. Thank you.