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MIKENET.DOC
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1992-09-10
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194 lines
(^8 MikeNet 8^)
This is a shareware product :
Send your contribution to the author if you use it. The address is at the
end of this document. The author is NOT responsable for any damage to your
equipment and data, and you can do a lot if you play with this. Read
carefully the documentation before using and remember: if you register the
program will be upgraded and you will receive updated versions.
This program does :
- hard disk sharing between two CPU, no server
- creation of any drive between 'A' and 'P'
- redirection of any drive to local and remote partitions
This program needs :
- any Atari ST, STE, Mega ST, Mega STE, TT, Falcon 030
- two computers ONLY if networking
- two MIDI standard cables ONLY if networking
Why you need it :
- solves any trouble regarding partitions in configuration paths,
as it can make your ST to think a partition "D" is "C" or even "A"
- if you have a BBS running or a CPU dedicated to a "routine job",
such as driving a laser or other peripherals, you can exchange
any file to/from your working machine without managing floppies.
- is there anybody how wants to tell me for what else it is useful ?
Installation :
- Copy the programs on your computer(s).
- Connect corresponding MIDI ports with two cables if networking
(OUT to IN and IN to OUT).
How it works :
- MKNT.PRG is the TSR you have to run to install the network. You can do
it from the desktop (also with MiNt if allocating to global
memory) or putting it as your last program in AUTO folder.
Actually it has not to be the last, but has to if you want to
redirect drive vectors used by other AUTO programs like ramdisks.
Configuration file MIKENET.INF if found in root directory of
boot disk when running from auto, or in the current directory if
not, is loaded at program installation.
- MKNT.ACP is the "old dialog" of the old version, but it runs in a
WINDOW. It can be run as a program or as a desk accessory,
simply renaming it to .PRG or .ACC. "Send message" option is
not yet available as I wanted to have this ready for the Atari
Messe in Dusseldorf.
Run the accessory/program, MikeNet dialog will be shown. The
first row of (radio) buttons lets you determine Network status
on used machine (the two computers can have different status),
that can be Read-Only, Read-Write or Inactive, this is the status
of the network, and determines if and how the other cpu can
access the local one.
The two following rows, with drives letters are the kernel of
selections:
the first row reflects local logic drives status, that can be
cycling selected clicking on the letter itself :
INACTIVE - tiny written excludes logic drives from current drives
map (drvbits).
NORMAL - normal written, drive is active, local and eventually
redirected to partition specified by the letter below.
SELECTED - inverse written, drive is active and remote, refer
remote ST drive identified by the letter below.
The second row (of these two) obviously concerns drive
assignements, each letter is simply editable (only uppercase),
and assigns corresponding drive to the letter above, local or
remote.
- drives redirections and status are changed "on the fly" and
mediachanges are forced on a drive only when DOUBLECLICKING on
that drive's letter (you'll see the drive's led flashing).
- mediachanges SHOULD preserve the drive's current path. (try
and report please).
It is possible to select RESET to clear MikeNet to the boot
status, with DRVBITS as at program start, or REORDER just to
have alphabeticallly increasing assignment letters.
Load and save (only on complete version) lets you work with
configuration files on disk. (be careful about redirections)
You can exit by clicking on OK or closing the window, it is the
same.
- MKNT.TTP is completely NEW ! With it you can change configuration from
batch. Actually the following options are available, and each
option is executed in sequence, so that you can display the
configuration with -? several times during execution, like this
:"-? -ong -xgc -? -rg -? -offg -onp -?", note that case in NOT
significant.
OPTIONS:
-? displays current configuration: list of drive letters
with their redirections, 0 if OFF and 1 if ON, L if local and R
if remote.
-onX switches the logical drive "X" ON, mediach forced
-offX switches the logical drive "X" OFF
-xXY redirects drive "X" to drive "Y", mediach forced
-rX puts drive "X" to REMOTE status
-lX puts drive "Y" to LOCAL status
-sNO sets network status to INACTIVE
-sRO sets network status to READ ONLY
-sRW sets network status to READ WRITE
Caveats :
NEVER try to access to a remote drive that is remote iself, this selection,
surely a setting error, will crash the system.
Be careful using disk accelerators and cache, remember that two machines
access SIMULTANEOUSLY the same drives, so avoid to access from both the
same file for writing.
Tech notes and Tips :
The TSR (MKNT.PRG) now uses XBRA protocol with "MkNt" id. This should avoid
any problem on resolution changes on MSTEs, TTs and FALCONs.
"MkNt" is also installed as a reserved cookie for the ACP and TTP
configuration programs.
Drive bits over P are not zeroed, so that you can use U: with MiNT.
Mediachange should work, thought you should take care when redirecting
floppy drives A and B... use ESC key !
Remember tu set your HD driver to at least 1024 byte for sector on EACH ST
if you want to access BGM partitions, otherwise the maximum sector size
found at boot time will be used. It is easy to set with ICD utilities, Supra
and SCSItools/HUSHI, AHDI needs to be installed as 'MUNGED', with adeguate
patched variables. MikeNet provides buffers to work with sectors sized up
to 8k.
I set my STs with 1000 extra folder, and somethimes it is not enough,
experiment yourself, when you see empty directory or missing files you
should try to increase that number.
TIPS: MikeNet work at sector level, so you should be able to use any soft
that access drives by BIOS and XBIOS calls, I tested programs like Cleanup
from ICD with no problems, and this is good, tought you are advised not to
use the network to write on remote drives, remember that in this way you
are making changes on the disk without updating cached informations in the
remote computer, so do it only if you are sure that the remote computer will
update his RAM before to write anything on that disk. The file locking
support I want to add, will be an hard thing to do, that will slow down the
net too much assuming the Atari Network Standards, so I will have to think
more on this and find a faster way.
Fast serials on MegaSTE are not DMA driven, so that I will remain on MIDI,
as most of you have only "small" STs to put in the net, and MIDI being the
fastest serial port with interrupts. I will eventually work on the multi
node version, but it will take quite long to do, I am working to add link
using the parallel port, I already have obtained high speed transfers.
I am also to add new features as seek rate setting, drive B switching and
local drive protection, let me know about what you want MikeNet to do !
IBM-PC version on serial and/or parallel is always taken in consideration
but I had small demand for this so....
Hints :
I find redirection a must when it is necessary to manage with many
partitions or even more than one hard disk drive. Programs are configured
to work on one drive (some only on drive A), and when you change this you
do not need to change all the configuration, but it is