Adding dual boot after install?

[guddler]

Hi all,

I've just "successfully" set up my system on a Gigabyte EP35-DS4 and everything is running pretty smoothly (I have 1 problem but I'll post about that another time). I really, really can't suss out the dual boot with Vista though.

I have two hard drives, both SATA, with AHCI enabled in the BIOS. I've tried this with OS X as disk 0 and Vista and disk 1, and the other way round, it doesn't seem to make much difference.

I used iPC for my install and I more or less did a vanilla install so I didn't pick any kind of bootloader during install apart from what it put in by default. I've copied the chain0 file over to the root of C: on Vista but that method just completely fails with the "Chain boot error" message.

The best I managed so far was to use EasyBCD to add their method (NeoGrub + some other thing), but even that required you to hit a key and change the default disk from 80 to 81 in order to boot OS X.

I need this foolproof so other members of the family can use it.

Is there anything else I can do to add some kind of bootloader without reloading either OS X or Vista? Certainly reloading Vista is not an option as it's got all my games on it.

I think the problem may be that the Vista disk is MBR and the OS X disk is GUID? Basically disk utility wouldn't let me format the OS X drive as MBR, and using iPartition to change the type of the Vista disk to GUID didn't work either so I changed it back and recovered the MBR.

I'm not at all clear on how I might install Chameleon, for instance without getting into OS re-installs.

Any help appreciated.

Ta,
Martin.