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Windows 7: How to make sure WIN7x64 creates MBR format during install?


01 Apr 2013   #1

Windows 7 x64 Ultimate
 
 
How to make sure WIN7x64 creates MBR format during install?

Hi

ASUS P9X79

I used a combination of research and guides onlince, particularly the tomshardware guide as well as others

PLEASE - DESPERATE - ASUS P9X79 - Windows 7 HELP - Motherboards - Motherboards

Sean's Windows 7 Install & Optimization Guide for SSDs & HDDs

ASUS Official X79 Motherboards Support Thread - Page 23 - [H]ard|Forum


I used UEFI ISO converter to make UEFI bootable DVD, The ISO does NOT have the "extract wim, move, rename bootx64.efi" modification which was in some guides used to force Windows 7 to use GPT, I want to use UEFI boot with MBR, if that's possible, i don't see a problem? The tomshardware guide just doesn't touch this point but that doesn't make it impossible as from other research I've done.

Those guides are old and do not know the existance of this new fixed ISOs.

They also said it's not goot to use DVD + USB for AHCI/RAID RST F6 inject, but I already burned the DVD so I was just going to risk trying with the USB driver inject.


INTEL RSTe F6: http://downloadcenter.intel.com/Deta...+enterprise+f6

ASUS did not have F6 drivers on their site, or maybe they were in package but they weren't named properly.



Progression:

- SATA > RAID MODE did not work for me since all of the drivers have been flagged as incompatible and forcing it didn't work, I set it back to AHCI and the C600 AHCI was available as compatible so I applied that.
(lol now I think i forgot to check the F6 drivers in RAID mode, however not sure what was what in asus-sata-drivers)
- Now the installer makes 3 partitions, which doesn't feel like it's using MBR imo, i looked guides on GPT and that was the image, one ESP partition, one Reserved, and the one Main OS parittion.

But the problem is I have passed the CMD option now, i forgot if it is available again, since from CMD you can convert to MBR:

Using a Command Line

  1. At a command prompt, type: diskpart, and then press ENTER.
  2. At the diskpart prompt, type: list disk, and then press ENTER.
  3. Record the disk number of the disk that you want to convert to an MBR disk.
  4. At the diskpart prompt, type: select disk n, and then press ENTER.
  5. At the diskpart prompt, type: convert mbr, and then press ENTER.


EDIT: however yes, this is what I've recalled now, i've seen on wikipedia that the ESP parition is made because of EFI boot enabled and it has both MBR and GPT, so it's not because of GPT, but still nowhere to check prior install is a pain in the ass.

I just want to be sure or should i just go with it an check after install , if it's not possible then I will it will just take a bit more time which is fine with me since this is the world of PCs and I'm totally okay with that but the point is to save time if possible.

My System SpecsSystem Spec
.

01 Apr 2013   #2

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 



My System SpecsSystem Spec
01 Apr 2013   #3

Windows 7 x64 Ultimate
 
 

Emm what about UEFI & MBR ?


First most important thing is now I need to find a way to disable/remove GPT support from Windows 7 ISO in order to force MBR at install. I suspect this is simply one of those microsoft's non-configurable default bullshit.

The ESP partition as wikipedia says can be on a MBR disk as it has it's own MBR adress right ?

Secondly I need to check if I installed , I don't know what's the correct way the tomshardware guide did not provide any pictures so I hope someone here can judge:

As I said, i used the USB stick for F6 RSTe Inject,


I'll get straight to work, but it'll take some time on my own.

All the SATA IRSTe RAID AHCI inject crap can be fixed by simply removing msahci from iso an replacing with the proper driver before install.

EDIT: on the other hand I don't really know everything yet, but I have researched wildly as I have setup my system, I usually dig deep into it and find new solutions along the way.

So the only thing I really don't know, is, if i use legacy mode for boot in order to have MBR in the usual way, does the EFS partition get made and if the OS has benefits for UEFI like the fast boots (okay that's just win8) and other stuff???? This is the actual question! Thanks

I don't need any guides anymore i got it now, i just need to know these facts and I have to say that major stuff like that is totally not covered ANYWHERE on the web, if I found the missing stuff I needed I wouldn't lose 2 days now with this.
My System SpecsSystem Spec
.


01 Apr 2013   #4
Microsoft MVP

 

You cannot install in UEFI to an MBR disk, it requires GPT formatted HD.

To install normally to an MBR disk Bypass UEFI to Install WIn7
My System SpecsSystem Spec
01 Apr 2013   #5

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Quote:
Secondly I need to check if I installed , I don't know what's the correct way the tomshardware guide did not provide any pictures so I hope someone here can judge:
Name:  partition_09.png
Views: 46
Size:  39.2 KB

For Legacy mode & MBR:
Name:  partition_08.png
Views: 1
Size:  79.7 KB

For UEFI mode & GPT:
How to make sure WIN7x64 creates MBR format during install?-windows-8-downgrade-012-sb.png


My System SpecsSystem Spec
01 Apr 2013   #6

Windows 7 x64 Ultimate
 
 

Theog, sorry i havent finished that statement since I was talking about IRST F6 inject but I had problems uploading to imgur with IE10 (since I have just installed the OS minutes ago)

So I didn't cusomtize anything yet in expectation I will have to redo the OS install.

I used my local host, should work, tell me if picture doesn't display.

Remember, this is not enterprise hardware so not sure why it's SCSI labeled, but i used RSTe drivers because guiders suggested enterprise versions are better than normal so that's why it may show like it's SCSI if it really is or not I have no idea right now, not sure what this means for perofrmance yet, thanks for all replies since It would be really bad to waste time benchmarking just to find I have to redo all the OS install anyway.

My System SpecsSystem Spec
01 Apr 2013   #7
Microsoft MVP

 

Why are you having to inject drivers? Windows 7 should have all SATA drivers in the installer. Is the HD not being displayed when you reach the Drive Selection page during install?

The rest of the drivers should come in after install on Windows Updates after enabling Automatically deliver drivers via Windows Update (Step 3) and running all rounds of Important and Optional Updates. Only then do you need to import any drivers still missing in Device Manager.

May I ask why you need an MBR disk and EFI won't work for you? Most users who Bypass UEFI to Install WIn7 are doing so because they have intractable problems installing in UEFI mode.
My System SpecsSystem Spec
01 Apr 2013   #8

Windows 7 x64 Ultimate
 
 

Quote   Quote: Originally Posted by gregrocker View Post
You cannot install in UEFI to an MBR disk, it requires GPT formatted HD.

To install normally to an MBR disk Bypass UEFI to Install WIn7
I wish this quote was on top of the freaking (/$$/"/#/$&T% search engines and guides.

These are those moments I would gladly use some really bad language in a post like this.
My System SpecsSystem Spec
01 Apr 2013   #9
Microsoft MVP

 

You're welcome.
My System SpecsSystem Spec
01 Apr 2013   #10

Windows 7 x64 Ultimate
 
 

Quote   Quote: Originally Posted by gregrocker View Post
Why are you having to inject drivers? Windows 7 should have all SATA drivers in the installer. Is the HD not being displayed when you reach the Drive Selection page during install?

The rest of the drivers should come in after install on Windows Updates after enabling Automatically deliver drivers via Windows Update (Step 3) and running all rounds of Important and Optional Updates. Only then do you need to import any drivers still missing in Device Manager.

May I ask why you need an MBR disk and EFI won't work for you? Most users who Bypass UEFI to Install WIn7 are doing so because they have intractable problems installing in UEFI mode.

Well I had no problems installing in UEFI mode as we can see.

The driver inject is to avoid MSAHCI being forced by Windows 7. IRST drivers are said to be much better for SSD performance. I actually don't want any auto-updating from microsoft DVD or Update, I disable those things, remove them from device manager and delete from DriverStore, I don't see a better solution than this. I like to do stuff manually to have FULL control over my system, nothing done behind my back, yes I'm definitely not your ordinary steam user.

Sorry that I may sound a bit angry now but that's because, not a big tragic event, I know this things take time and great effort to make them work right, so I'm not angry about losting time having to reinstall OS, it's just the darn internet didn't make that CLEAR before what you can and can't do.

So UEFI it self doesn't allow MBR in UEFI mode? That's another story then.

But as soon as I finish writting this post it's all fine, I don't grow a grudge.

Since way before I started this I knew lost of work is ahead, mainly research.
My System SpecsSystem Spec
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 How to make sure WIN7x64 creates MBR format during install?




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