|Oct 30, 2012, 04:42 PM||#1|
EDIT: I got it to work! Now a "how to run Windows 8 from a USB flash or SD card!"
After MUCH searching and trial and error I have FINALLY found a way to accomplish what I wanted.
I hope this helps someone else as well.
I followed parts from this guide
Note this must all be done from within Windows.
Here are the exact steps I did that finally worked for me.
1: Download RMPrepUSB, install and open.
Under 0 at top make sure you have the USB Flash Drive/SD/Micro SD device you wish to use selected!!
Select the following options.
-Under 3-Bootloader Options: WinPEv2/WinPEv3/Vista/Win7 bootable [BOOTMGR] (CC4)
-Under 4-Filesystem and Overrides: NTFS radio button and check "Boot as HDD (C:2PTNS)"
-Click on bottom left "6 Prepare Drive"
2: Download GetWaikTools and open (no install required)
Uncheck "Waik Tools for Windows 7"
Check "Waik Tools for Windows 8"
Verify "Download to AppDir\Waik_*" is checked
This will create a new folder in the directory you launched GetWaikTools.exe from.
Open a command prompt with administrator rights and navigate to the newly created folder and then into the correct architect type (32bit or 64bit) that matches the Windows 8 installer you'll be using.
Assuming that your Windows 8 ISO is mounted at E: and the USB drive has the drive letter of F:, type the command:
"imagex.exe /apply E:\sources\install.wim 1 F:" (Without quotes)
This will take a very long time (1 hour or more) depending on the interface and speed of the media.
Once it completes, type:
"BCDBOOT.exe F:\Windows /s F: /v" (Without quotes)
If that fails it may be because you have an EFI Windows system, in which case try the following command:
"BCDBOOT.exe F:\Windows /s F: /f ALL /v" (Without quotes)
Reboot your Mac and hold the alt/option key, you will now see the device as a bootable option. Arrow over to it and hit enter.
It will run through a device/hardware detection process that can take a long time initially but after that completes you have a fully functional version of Windows 8 running from a USB or SD slot attached flash device!
I can install OS X to a SD card in the SD slot and boot it without issue.
I want to do this for Windows 7 or 8 if there is any way possible.
I can dual boot my 13" 2011 MBA using Bootcamp and the internal SSD of course and I even used Disk Utility to clone the Windows volume to the SD card but I cannot select it as a boot device by holding down the ALT/Option key on start up, it just does not list the SD "drive" as an option to select to boot from when it has Windows on it, but does show it as a valid option when it has OS X on it.
When I run the Windows install on the MBA, again I cannot see the SD "drive" as an option and am wondering if there is any driver I can load to enable support of the SD card for Windows at that point?
Is there any creative way whatsoever to boot this MBA from a SD "drive" using Windows?
I don't use Windows much and hate wasting the space on my SSD to keep the Bootcamp partition there for the limited use. The results in a regular chore of blowing away the Windows Bootcamp volume in order to free up space in a pinch only to have to reinstall Windows via Bootcamp down the road for a need that comes up.
I would LOVE to be able to use this 64GB Micro SDXC Class 10 card I have and stick it into the SD slot and boot up into Windows for the limited usage that comes up for my job and then remove it and store it away when not in use.
I'm wondering if there's a way to accomplish what I want using some of the methods Hackintosh folks use to make non-Apple drives bootable. Maybe somehow making the FAT formatted SD card usable by the EFI?
Last edited by lokiju; Nov 10, 2012 at 09:35 AM.
|Oct 30, 2012, 05:40 PM||#2|
I think you need a Globally Unique Identifier (GUID) Partition Table (GPT) disk for this. No guarantee for this to work.
Info : http://www.osx86.net/guides-tutorial...-easy-way.html
Be sure you're messing with the SD card. In Terminal :
Disclaimer : I'm not responsible for anything you do with this info to your system. Use at your own risk.
Space Corps Directive 34124
|Oct 30, 2012, 11:19 PM||#4|
well, the fastest sd card is about equivalent to a 5400rpm drive. so it's not bad really. now i'm talking about a an sd card, not a micro sd.
but that slow speed will ruined your experience.
|Nov 1, 2012, 11:11 AM||#5|
I'll be testing this out today and I'll report back the results.
|Nov 1, 2012, 03:24 PM||#6|
In addition to it being really slow, it would probably kill the SD card in short order with all the reads and writes. SD cards weren't really designed to run an operating system. Depending on software and version requirements, you could put a slimmed down Win XP install on your Air and only use 5-10GB...that number will increase with the amount of software you need, though.
2010 15" MacBook Pro, Anti-Glare Hi-Res, 2.4 i5 128 GB SSD & 500GB HDD in optibay; iPhone 5 32GB; ATV3; 2011 Core i7 27" iMac 2GB VRAM; "New" iPad 32GB AT&T 4G; 2012 MacBook Air 13", i7, 8GB, 256GB
|Nov 1, 2012, 03:54 PM||#7|
Also, maybe try Refit to boot into the windows partition. I installed it when i set up my ubuntu partition (and uninstalled after it was set up).
|Nov 4, 2012, 08:26 AM||#8|
I followed the guide and gpart showed as the guide said it should after but the "drive" in the SD slot is never a bootable option or a install Windows to option.
Has anyone ever accomplished booting Windows from the SD slot on a MacBook? Please do share what you did, if so.
|Nov 8, 2012, 09:52 AM||#10|
If you can't select the drive try refit. I use an sd card for my OS on my raspberry pi, and i often boot into my ubuntu drive with the debian sd card in the computer. It is an option for me then (obviously not bootable because it's an arm architecture for a completely different machine).
|Nov 8, 2012, 10:02 AM||#11|
Windows 7 doesn't support booting from removable devices without heavy modifications, so basically no.
rMBP (10.8), 2.6 GHz, 8 GB RAM, 512 GB SSD
Hackintosh (10.7.4), 4.6 GHz i7-3930K, 32 GB RAM, 3xHD7970, 2x240GB Vertex 3 RAID 0 SSD, 2x600GB Velociraptor 10KRPM, Drobo S 5x2TB, 2x HP LP3065 30-inch.
|Nov 8, 2012, 01:13 PM||#12|
Since performance is obviously not that important, why not use virtualization and store the virtual disk on the SD Card? I've never done this from SD, but I have from a USB thumb drive. Don't see any reason that it wouldn't work, it's just a volume to the Virtualization software.
I personally prefer VMWare Fusion, but you might try the free VirtualBox instead.
|Nov 10, 2012, 03:45 PM||#15|
|Feb 27, 2013, 06:44 PM||#17|
could you help me with the process?
I am trying to install Windows 8 onto SD card on Retina Macbook Pro.
I followed your guide 3 times step by step, received no errors in the process, but macbook does not allow me to select the SD card as a boot device neither in OS X nor while booting with Alt key.
Are you sure it is possible to boot Windows from SD? I am starting to thing that this guide would only work with USB flash drive.
Thank you in advance,
Last edited by jansoucek; Feb 27, 2013 at 06:45 PM. Reason: added screenshot
|Feb 27, 2013, 07:17 PM||#18|
In that situation I used rEFIt boot manager and was able to select the device manually each time.
You have to set which partition is your default and can modify which one is default but it won't "remember" automatically like it does using Bootcamp.
Not claiming this will work 100% for you as we'll but might be worth a shot. http://refit.sourceforge.net/
|Feb 28, 2013, 07:08 PM||#20|
Ok so what I tried now was setting the startup disk via Terminal and I finally succeeded in a way that Terminal didn't throw any error at me.
I used: sudo bless --device /dev/disk2s1 --setBoot --legacy --nextonly
The problem is that when I reboot the Mac, I receive the "No boot device detected" error message and I have to force-shut the Macbook.
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