Unable to create .iso from VCD?

I was trying to create .iso from a set of VCD that I created, but I couldn't make it to work, and had to resort to "plan B".

Here's what I did. I used Nero 6 to create a set of VCD. They had VCD title screen, in PAL format, and that's pretty much about it. Nothing too crazy. The VCD seemed to be running OK on regular VCD player.

But then I tried the following applications, and they all FAILED to rip to VCD I created into .iso file:
- Sonic
- PowerISO
- LCISOCreator.exe

NOtice that I tried the same disc on several different DVD Drives and on several machines. Still no luck.

I got desperate, because I thought the bulk CD burning device I used only takes .iso. But then I check the documentation and found that the device also support .gi . What is .gi, I thought. And then I found out that .gi is the Sonic disc imagaing format. So I started Sonic and rip. And it WORKED!

So tomorrow I will try and see if the bulk CD burning device I use can turn this .gi image into a playable VCD.

To be Continue ,...