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begleysm
Paper Tape
Posts: 8
Registered: ‎02-24-2010
Location: USA
Views: 8,830
Message 1 of 11

X1 Carbon: Boot from SD Card

Is it possible?

 

I have successfully booted from a USB Thumbdrive.  When I put the same image onto an SD Card & boot up, the SD Card does not appear and the bootable devices list.

 

Sean

lead_org Microsoft MVP Contributor
Microsoft MVP Contributor
Posts: 21,009
Registered: ‎12-19-2008
Location: Australia, Melbourne
Views: 8,827
Message 2 of 11

Re: X1 Carbon: Boot from SD Card

this is not possible.
Regards,

Jin Li

May this year, be the year of 'DO'!

I am a volunteer, and not a paid staff of Lenovo or Microsoft
begleysm
Paper Tape
Posts: 8
Registered: ‎02-24-2010
Location: USA
Views: 8,823
Message 3 of 11

Wow... that is sad.  Is this a fail on Lenovo's part or i...

Wow... that is sad.  Is this a fail on Lenovo's part or is this a result of the UEFI bootloader?  If it is bootloader does UEFI support booting to SD cards on any machine?  Is it possible that UEFI will supporting booting from an SD Card in a future firmware update?

 

Thanks,

Sean

lead_org Microsoft MVP Contributor
Microsoft MVP Contributor
Posts: 21,009
Registered: ‎12-19-2008
Location: Australia, Melbourne
Views: 8,815
Message 4 of 11

Re: Wow... that is sad.  Is this a fail on Lenovo's part or i...

None of the ThinkPad i have tested have the ability to load from the SD card. I think it is blocked from firmware level.
Regards,

Jin Li

May this year, be the year of 'DO'!

I am a volunteer, and not a paid staff of Lenovo or Microsoft
begleysm
Paper Tape
Posts: 8
Registered: ‎02-24-2010
Location: USA
Views: 8,811
Message 5 of 11

Re: Wow... that is sad. Is this a fail on Lenovo's part or i...

Interesting.

 

Thanks for the quick, informative, replies.

 

Sean

Guru
Posts: 976
Registered: ‎11-04-2009
Location: US
Views: 7,433
Message 6 of 11

Re: Wow... that is sad. Is this a fail on Lenovo's part or i...

Sorry for the necro post, but I think on the ThinkPads, the SD card is attached to a PCI bus rather than a USB host, and the machine isnt able to boot from PCI.


Just a volunteer. Please post your questions in the forum, as I will not reply if they are sent in a personal message.

W530(2436): i7-3720QM, HD4000 + K2000M, 32GB RAM, 1TB, 750GB Ultrabay, 250GB mSATA , Ubuntu 18.04
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DracheMitch
Fanfold Paper
Posts: 13
Registered: ‎12-12-2012
Location: Ft. Lauderdale
Views: 7,243
Message 7 of 11

Re: Wow... that is sad. Is this a fail on Lenovo's part or i...


@Fullmetal99012 wrote:

Sorry for the necro post, but I think on the ThinkPads, the SD card is attached to a PCI bus rather than a USB host, and the machine isnt able to boot from PCI.


Yes, that is the trade-off: MUCH faster R/W over PCIE, but no USB boot.  Personally, I prefer the speed.

londonx1user
Ctrl-Alt-Del
Posts: 10
Registered: ‎02-12-2013
Location: GB
Views: 6,616
Message 8 of 11

Re: Wow... that is sad. Is this a fail on Lenovo's part or i...

Is it possible to workaround this restriction by booting first from the USB stick into some form of man-in-the-middle bootloader (eg GRUB?) that can recognise the SD card and launch a distro like Debian/Ubuntu from the SD card?

Guru
Posts: 976
Registered: ‎11-04-2009
Location: US
Views: 6,373
Message 9 of 11

Re: Wow... that is sad. Is this a fail on Lenovo's part or i...

Another late post, It might be possible, but if the bootloader does the handoff, and the system cannot read from the SD card then it will just crash. 

 

It might be possible, but grub would need to initialize the SD card reader, then do the OS handoff.


Just a volunteer. Please post your questions in the forum, as I will not reply if they are sent in a personal message.

W530(2436): i7-3720QM, HD4000 + K2000M, 32GB RAM, 1TB, 750GB Ultrabay, 250GB mSATA , Ubuntu 18.04
Yoga 14(20FY): i5-6200U, HD 520 + 940M, 8GB RAM, 256GB SSD, Ubuntu 18.04
Yoga Home 900(27ibu): i7-5500, HD5500 + 940A, 8GB RAM, 500GB HDD, Windows Insider Fast
X1 Tablet (20GH): m7-6Y75, 16GB RAM , 256GB NVMe , Intel® HD Graphics 515
Legion Y530(15ICH): i7-8750H, 32GB RAM, 512GB NVMe + 500GB SSD, UHD 630 + 1050Ti
aag
Fanfold Paper
Posts: 11
Registered: ‎04-19-2010
Location: CH
Views: 3,448
Message 10 of 11

Re: Wow... that is sad. Is this a fail on Lenovo's part or i...

Surprisingly, it doesn't work even if I try to stick the SDXC card into a USB3.0 card reader. It is still not recognized by the BIOS software.

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