I have to install Solaris 10 (for x86 CPU) on my pc.
How can I do a dual boot solaris and Windows 7, on the same hard disc?
I searched here, but it works with windows NT, not Seven.
May I use a bootloader? How I can do it?
Thank you in advance for any answer! 
Make sure that is the latest update (10/09).
The usual answer is install Windows first and Solaris last. Solaris boot loader should just include Windows in its boot menu.
Indeed, this is to be expected as this pretty obsolete page predates both Solaris 10 and Windows Seven.
You always do it, whether the Windows one or Solaris one (Grub now)
[/quote]
Thank you! Your post is very helpful! 
Only two questions:
Does the version of Solaris that you suggested support:
1- SATA hard drives;
2- Nvidia grafic card and mobo;
3- Intel Core 2 Duo CPU?
If not, can I install anyway?
Thank you for any answer and sorry for the late relpy :o
One would normally check one of the Solaris Hardware Compatibility Lists, they can found from this page:
Solaris OS: Hardware Compatibility Lists
This page lists numerous SATA drives:
BigAdmin - Solaris OS: Hardware Compatibility List
This one lists numerous NVIDIA graphics cards:
BigAdmin - Solaris OS: Hardware Compatibility List
Core 2 duo processor motherboards do get a mention also.
Sure, that's pretty standard specs nowadays.
If this is a laptop (and even if it's not), you might want to install an OpenSolaris based distribution instead for a better and simpler support.
Thank you for the helpful answers!
I'm going to install Solaris 10 (not OpenSolaris because I have to use CDE), on my system (it is a desktop, not a laptop).
Thank you again!
PS: If i'll get an error that I cannot solve, then I'll post here!
---------- Post updated at 11:49 PM ---------- Previous update was at 01:50 PM ----------
I got an error in the boot with Solaris 10 DVD!
Solaris Booting System
Running Configuration Assistant...
Warning: Resource Conflict - both devices are added
NON-ACPI device: PNP0C01
Port: 0-5F, 61-63, 65-FF, 1000-107F, 1080-10FF, 1400-147F,
1480-14FF, 1800-187F, 1880-18FF, 91-93, A2-BF, E0-EF, 4D0-4D1,
295-314, 880- .... [there is other code...] ...
ACPI device: PNP0103
IRQ: 8: Memory: FEFF0001-FEFF03FF
Then it just hangs! 
How can I get it works?
Have I to change BIOS settings?
Thanks to all for any answer.
-----
I have 2 grafic cards with SLI and 2 NVidia network cards... XFX Nvidia mobo, Intel core 2 duo...
Make two partitions one for Solaris 10 , one for windows .
First install windows later Solaris 10 , it will add automatically chain loader in GRUB menu.
Or you can install Solaris 10 on separate disk , then you will need to modify GRUB configuration file because windows will not boot from other then primary partion, editing grub is doing thaht windows thinks it is on primary partition.
It is early and I did not drink my coffe yet .
And for yout problem try reconfiguration boot
touch /reconfigure
boot -r
I installed Windows seven first.
Now, I'm trying to install Solaris 10 in the second partition of my HDD, but I get the problem explained in my last post.
PS: excuse me, my installation problem is quite off-topic... :o
You might want to check your hardware support with this tool:
BigAdmin HCL: Sun Device Detection Tool
Thank you very much!
I'm trying it just now!
---------- Post updated 12-04-10 at 06:35 PM ---------- Previous update was 11-04-10 at 08:02 PM ----------
Well, I had no luck. Hardware non compatible.
Unless, I want do try Solaris.
Anyone can suggest me the less expensive configuration? Server (LESS expensive) or simply workstation?
I want to get Solaris because, i heard, it was the more powerful for CAD and 2d/3d design. How can I use to do this?
Thank you to all!
PS: Again, my is an off-topic post (boot question ??) off-topic post. I promise that this is the last one!
Which piece of your hardware isn't compatible ?
Less expensive than what ?
Have you a specific software in mind ?
Sun workstation 27 , it is a powerfull toy !
Which peace of harware is not compatible ?
Thank you again, and excuse me again for the late answer :o ...
The installer give me problems with the ACPI, but i decided to buy a new (sparc? :rolleyes: ) workstation . . .
Thank you for your suggests
And what about the CAD software? I heard about blender and maya (even if it is an autodesk product ... ), but i prefer use a software meant to work with sun workstation! ...