Thanks for reply guys i made it (in the end) 🙂
First for JustInThyme : Yes and no. I do not blame Assus for how the Windows is getting installed. I blame them for few other reasons:
1. They did not say that is working only with windows 10 x64 anywhere in the advertisements, but when i asked them for help that was the reply.
2. They do not list any drivers for any other system than x64
3. The drivers for x64 even on this "specially designed laptop for x64" make a lot of issues. For example Broodwar does not see the CD 🙂 and is not the only one ...
Yes i understand that i am malicious and not nice but i had 8 days of test and try that drove me nuts and what i got as reply was a bunch of things like, this does not work with win10 cause is too old and replies like that which are not something you want to read after 3-4 installations and mind crushing problems like "i have no USB driver in Win 7 => no mouse".
First to answer the questions i had:
1. Is not possible to boot x64 win10 on anything else than GPT HDD, at least that is what i found written.
2. Well simple, just that you have to trick windows. Problem is that windows installs itself where he wants not where you want. When it installs itself in a partition, he creates a mini partition of around 500MB where it actually puts the boot loader. I knew that so i created one for it on the second disk but he will not go for that one. Windows installer will simply go for the first HDD just because he wants that.
I tried to clone this 500MB partition and move it to the other disk with Clonezilla but it did not work (cannot say will definite not work but i was not able to do that from the first run).
Once i realized what was the issue, My solution was a low tech one but effective in the end:
1. Create a partition on the second HDD at the end of the HDD, leave a lot of room before it for the partition where you want to install the other system. Create a backup on this partition of your SSD drive installation x64 + recovery disk.
2. Find the screw drivers, take out the SSD physically from the Laptop (do power off first)
3. Install win10 on the second HDD (which now is the only one). Is better to leave the space unallocated and leave the windows allocate it. As i said will create 2 partitions actually, one of 450-500MB and another one for the rest.
4. Put the SSD back in (again with power off).
5. Reload the partition of x64 from the backup using the recovery disk.
Now the only inconvenient is that when i want to boot win32 i have to do that from bios to chose the second HDD, but i guess i'll find a boot loader somewhere, that should be easy.
Regarding the Win10 x32. If anyone tries it, go first to Realtech and find out the drivers and download them. The ones from Win10 were not ok for me (what i found and used is ALL_INST_1.12.0034_DASH_DPEP_W7_W8_WHQL_20141216)
Also go and find the driver for the wireless from Intel site. Ignore the one for win10 x32 cause that one does not work. Use the Win7 one (Wireless_18.32.0_Driver32_Win7).
Once inside Win10 you will need to install these 2 in order to be able to use the network.
In windows 7 you need to install also the chipset drivers for intel (win32_154014.4352) but i was not able to install a driver for USB so i gave up on Win 7.
Adrian