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En placa con BIOS EFI arranque dual con windows, hay que formatear en GPT?

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#1
caraguia

caraguia

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Hola, me he comprado una placa nueva : Gigabyte z77x-ud5h. Tiene BIOS EFI.

He leido por algunas guias que para arranque dual con windows, primero hay que instalar windows 7 en un disco con GPT. Y despues mountain lion en otro disco.

Eso es asi?

Cuando instalo windows 7 64 en el disco, le borro la particion y formateo en el inicio de la instalacion, se particiona en GPT?

Toy echo un lio...

#2
Funkoyote

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No se dónde has oído eso de formatear en GPT para windows. Al instalar windows 7 la partición se formatea en NTFS por defecto.

#3
caraguia

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En una guia de otro foro he encontrado esto:

Comments

Preface
I built this machine with two things in mind: programming and gaming. As an iOS developer, I felt it necessary to have both OSX and Windows 7 for this build (don't worry, I use virtualization for Linux). That is why this build includes not one, but two solid state drives. Yeah, it's probably a bit overboard, but I got great deals on each. This was built to replace my aging Antec 900 machine I built back in 2006 (also a Windows 7 and OSX dual boot). My previous hardware used an NVIDIA chipset and wasn't very tonymacx86-friendly. This install, however, was pretty painless to get up and running. Tweaking it to make it near-perfect, however, did take a bit of effort. Read on if you're ready for the full guide...

Guide:
0. Make sure your motherboard BIOS is up to date, as well as the firmware for the SSDs. As of this guide, the latest motherboard BIOS is F14. I am currently running 000F on one of my M4's and 0309 on the other.

1. Install Windows 7 first, but make sure you install using MBR instead of GPT. Do this by booting from the non-UEFI version of the BD-R drive in the BIOS. Make sure the target OSX drive is not plugged in at this point.


2. Configure the BIOS settings to prepare for a Mountain Lion install. Load the "optimized default settings" (F7). (Note: If you would like to overclock, go ahead, but I never did for this build. I tried using an XMP profile for my memory, but this caused the mouse and keyboard to hang when coming back from sleep) Make the following settings:


Es por eso que me he liado.

Si instalo windows la como me has dicho en ntfs y despues en otro disco mountain lion... se supone que se genera un gestor de arranque como cuando lo hacia en una bios normal (no EFI), no?

#4
Funkoyote

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En esa información lo que dice es que uses el 'mapa de particiones' propio de windows llamado MBR (el formato de la partición 'NTFS' es otra cosa) para el disco de Windows 7.
Y para el disco de OSX te indica que uses el mapa de particiones propio de Apple llamado en realidad GUID, pero parece que se a confundido con las siglas y ha puesto GPT que no tiene nada que ver.
Cuando pone:

'make sure you install using MBR instead of GPT'

en realidad tendría que poner:

'make sure you install using MBR instead of GUID'




Resumiendo,
Disco OSX: Mapa de particiones GUID, partición formateada en HFS+ [Mac OS Plus (con registro)']
Disco Windows 7: Mapa de particiones MBR, partición formateada en NTFS (por defecto al instalar Windows 7)

Si tu cargador de arranque es Chameleon (o Chimera) no hay diferencia entre BIOS UEFI y normal. Si usas Clover cómo 'bootloader' no sabría decirte si algo cambia.





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