Mac OS X and TINI

Well I asked a while ago, and received a couple of pointers, but still 
no joy getting the Mac talking to the TINI; I hit an obstacle and go 
and do something else for a while, then come back to it.

Here is what I have:

I have an E20 board and a 1MB 390 TINI, a Vinculum and a 1BM 390 TINI 
and several iButtons, etc. I have a Mac running 10.2 with JDK 1.4.1 and 
have RXTX installed. The docs for tini 1.12 state I need to be part of 
the lock group as well as the UUCP group for RXTX to work, but trying 
to add my username to lock fails. This might be a red herring...

The JDK works, as does the USB serial device - A Belkin F5U109 with the 
OS 10 beta driver - as I have successfully run Lejos using 
/dev/tty/USB\ Serial as the connection device, which uses RXTX, so I am 
assuming that this works too.

Here is the problem. I plug the TINI into the E20, add a serial cable 
to my USB serial convertor, turn on the power and run JavaKit using the 
following command from the Terminal window:

java -classpath bin/tini.jar JavaKit &

JavaKit appears to run OK, and I choose /dev/tty.USB Serial and click 
Open Port. This goes OK, with flashing lights on the convertor. 
Powering up the TINI board gives me the following:

> ----> TINI Boot <----
> TINI OS 1.02b
> API Version 800A
> Copyright (C) 1999 - 2001 Dallas Semiconductor Corporation
> 07000000
> Running POR Code
> Memory POR Routines
> 000028
> 0080,0100,0180,0200,0280,0300,0380,Transient blocks freed: 0384, size: 
> 015D40
> CPersistant blocks freed: 0000, size: 000000
> KM_Init Passed
> Ethernet MAC Address Part Found
>
> TTS Revision: 173 , Date: 3/15/01 10:34a
> Thread_Init Passed
> External Serial Port Init
> External serial ports not enabled
> Memory Available: 0F5AE0
> Creating Task:
> 0100
> 01
> Loading application at 0x070100
> Creating Task:
> 0200
> 02
> Application load complete
> *************************************************
> *            ATTENTION TINI USERS               *
> *                                               *
> * Go to http://www.ibutton.com/TINI for updated *
> * firmware.                                     *
> *                                               *
> * This code is for Dallas Semicoductor testing  *
> * purposes, and requires a special hardware     *
> * setup to give correct testing results.        *
> * Do not interpret the results of this test     *
> * to mean anything.                             *
> *                                               *
> *************************************************
> DUT TINI Test Code Started
> RAMFREE = 961632

For the Vinculum board, connecting and powering up gives the same. 
However, when I do the reset to get the loader working, as per the 
instructions, I get this from both boards:

> Fail -35
>
> No response from TINI board!

I have both a standard serial cable - the one that came with the Lego 
Serial Tower - and a Male to Female Serial Cable, as the Vinculum has 
the "other " kind of serial port on it. As I am getting the text out, 
but not getting a response from the reset, I would appreciate some 
guidance. Is it the cables? Is the ominous message about external 
serial ports not being enabled, something to do with it? Am I missing 
something bloody stupid?

Mike

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