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121 Posts

02-01-2016

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P50 do not boot from Thunderbolt or USB type C port.

2016-05-24, 13:01 PM

It appear booting from USB C is disabled at P50.  I can not boot a USB Fash drive OR boot-able SSD from P50 USB-C port. P50 can see the device at startup boot menu, but it ignore to boot from them, same flash drive ( windows install media)  or boot-able  SSD ( portable Linux Ubuntu 16 ) can be booted using any USB 3.0 ports. I do have latest update by today ( Bios N1EET50W 1.24 )

 

Is booting from P50 USB-C port disabled OR it is a known bug?  

 

 

FYI the reason I want to boot from Type-C rather than normal USB 3.0 port is, I want to be able to run a independent portable  linux with speed and performance close to being installed on internal Sata SSD. Under Windows I can see USB 3.1 external SSD read/write speed  is very close to read/write speed of internal Sata SSD, but same external SSD works at half speed at normal USB 3.0 port. Using type Type-C I should be able to use my external portable Linux just like it is installed at internal SSD while being truly portable and independent of P50! 

 

Thanks!

 

 

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1609 Posts

09-16-2014

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Re: P50 do not boot from Thunderbolt or USB type C port.

2016-05-26, 15:18 PM

Adamtoday,

 

After speaking with Think Engineering, I can confirm that booting from USB-C is not supported by design at this time. However, this may be open to change if there is customer demand.

 

You mentioned that your P50 system can see the Type-C device at startup boot menu. The engineers are unable to replicate this. It would be helpful if you could provide information about the cable or dongle hardware you are using as well as a step-by-step procedure with pictures.

 

Thank you,

 

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121 Posts

02-01-2016

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Re: P50 do not boot from Thunderbolt or USB type C port.

2016-05-26, 17:08 PM

Awesome! Thanks for update.  I back to you with requested  information.


 

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11 Posts

11-08-2012

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Re: P50 do not boot from Thunderbolt or USB type C port.

2016-08-18, 19:47 PM

 

However, this may be open to change if there is customer demand.

 There is indeed customer demand! Let them know the customers are asking!

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48 Posts

06-21-2016

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  • Message 5 of 16

Re: P50 do not boot from Thunderbolt or USB type C port.

2016-08-22, 1:10 AM
Customer demand here as well.
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67 Posts

03-05-2016

SE

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  • Message 6 of 16

Re: P50 do not boot from Thunderbolt or USB type C port.

2016-08-22, 6:33 AM

Strange that the fastest port available can't be used to boot with. That would be my first choice if having a secondary boot disk. So yes... I would also like to have this option enabled!

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121 Posts

02-01-2016

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  • Message 7 of 16

Re: P50 do not boot from Thunderbolt or USB type C port.

2016-08-22, 17:40 PM

 @Amy_Lenovo 
 
Think Engineering are right,  Unfortunately P50 do NOT  see any  USB-C device at startup boot menu. However some time it can act like it can see and that create confusion for  end user who expect USB-C to work just like how USB3 works!
 
The reason I was seeing Ubuntu at boot list was,  It get added to boot list when I upgraded my portable ubuntu version 15 to version 16. 

 

 

 

 

Same entry was there when I connected same SSD to USB-C port. In fact it  stayed there even when I removed the SSD!. I only could remove ubuntu  entry from boot list after  resetting  bios to default value!
 
USB-C  was not supported at Linux back to when I created the ticket.  So even if USB-C was bootable. It could not be used to boot ubuntu from external USB-C SSD.   However today it is fully  supported. USB-C, Nvidia, bluetooth all works out of the box. It is very stable now.  It is best time to add USB-C booting to P50.....


Comparing SSD speed using USB-C and USB3.
 
USB-C is as fast as internal SSD. This make it perfect for portable  OS 2 GO. WIndows 2Go , Linux 2Go you name it... 
 

 


USB-C booting is a expected behavior by default. USB-C  suppose to support whatever USB 3 does plus other optional feature such as eGPU and PD.   If not it should be noted to save time from both side. 

 


A picture worth thousand words. 



 
Why there is no such love for Thinkpad lovers?

 

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376 Posts

10-20-2008

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  • Message 8 of 16

Re: P50 do not boot from Thunderbolt or USB type C port. How About P70

2016-08-22, 17:57 PM

I do not have the necessary hardware yet but was considering acquiring an external ThunderBolt drive for my P70.

 

Can anyone also provide insight as to whether booting from such a device is supported on the P70?    If it is not, how about adding that capability to the requested features list for future BIOS update as well?

______________________________________________
P70, Xeon 1505 CPU, 64 GB ECC RAM, Samsung 970 Pro 1 TB + 512 GB NVMe Drives, 1 TB HDD, DVD-RW, 4 K Display, NVIDIA Quadro M4000
W700 model 2757-CTO (8 GB RAM, Crucial MX-100 SSD + Hitachi TravelStar 1 TB 7200 RPM Drives, Bluray R/W, NVIDIA Quadro FX3700M, WUXGA); Windows 7 Ultimate SP-1, W700 Mini-Dock
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3808 Posts

12-02-2007

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  • Message 9 of 16

Re: P50 do not boot from Thunderbolt or USB type C port.

2016-08-30, 11:04 AM

Hello,

 

I do not have an immediate need to boot from Thunderbolt or USB Type C connector devices right now, but they would be useful to me in the future.  Also, it would be useful for me to be able to boot systems from ExpressCard form-factor SSDs and SDXC/MicroSDXC cards as well.

 

Regards,

 

Aryeh Goretsky

 



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17 Posts

08-23-2016

BG

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  • Message 10 of 16

Re: P50 do not boot from Thunderbolt or USB type C port.

2016-09-01, 19:22 PM

Hello,

A bit off topic (maybe i should start a new thread): 

I will be using a USB 3.0 professional audio interface, and its manufacter states that technically it can be connected to USB 3.1 but there would be no gain in speed. 

What I need is stability (no audio stream drop outs) and usb (even 3.0) is not the best at this. As thunderbolt 3 audio interfaces are still in developpement (there are a lot using apple's thunderbolt 1&2 which is similar to PCIe bridge communication as far as I know) i have to go with that one for now.

So do you think there is any reason for choosing the USB C port over one of the USB 3.0 on the p50 for "better" (i.e. more straight) comunication between processor and the interface, and is there any difference between the other 4x USB 3.0 or are they all identically connected to host?

Thanks,

P50 LENOVO 20EN / Intel Xeon E3-1505M v5 / 16 DDR4 Ram / Samsung 512GB PRO Nvme/ NVIDIA Quadro M2000M

W520 / 2.2ghz i7 4core / 2x4gb DDR 3 RAM / 256 gb Samsung 810 PRO SSD / NVIDIA Quadro M1000M
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