Making ISO self boot...

Thanks Xena,

I was on your site and found the following about Crazy Taxi. The following is not clear to me and hope you can give me some clues.

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(http://luna.spaceports.com/~selfboot/Tutorial_Index/1/2/3/4/5.htm)
"How to make Crazy Taxi -Katana selfboot?"
Insert non-selfbootable DC Game cd in your cdrom drive,
.....
Create a new 400mb dummy file name de dummy file at 0.0 and place it in c:\selfboot\data .....
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Sorry but I'm a Newbie. This line is really unclear to me! HOW do I create this dummy and what do you mean by "name the dummy file at 0.0" ? Can you specify?

Also, in the Gundam 0079 selfboot tutorial, I don't understand how to do the following. Pls provide more detailed instructions!

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Serach
A6 00 00 00 01 00 00 00 43 44 30 30 31
change it to
5C 2E 00 00 01 00 00 00 43 44 30 30 31

* 5A2E=11700 *
* 5C2E=11702 *
which -msinfo numbers depend on your CDRecoder & Software

If you new to UtlraEdit32, You can download the Patch
Gundam0079 -msinfo 11700 Patch <== click to download
Gundam0079 -msinfo 11702 Patch <== click to download
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Which patch should I choose ?! And HOW do I get the -msinfo numbers that you've mentioned?! Sorry but this is very unclear to us Newbies and I hope you can explain it more clearly.
Thanks in advance!