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Old 11-18-2019, 08:36 AM   #1
dr_berta
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Usb SSD disk not detected on Ubuntu 18.04


Hi,
I took a 60GB ssd disk to be used with a raspberry pi, instead of the microSD, via the SupTronics X820 board.
I mounted the disk on the board and connected it to my system with Ubuntu 18.04 to be able to install the raspbian.
Unfortunately the disc is not recognized.

Giving the command
Code:
cat /proc/partitions
I don't see any new disk neither using gparted o fdisk.

Giving the command
Code:
lsusb
this is the result:
Code:
 Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 006: ID 0a5c:2148 Broadcom Corp. BCM92046DG-CL1ROM Bluetooth 2.1 Adapter
Bus 005 Device 003: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 004: ID 0a5c:4502 Broadcom Corp. Keyboard (Boot Interface Subclass)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 002: ID 046d:c31c Logitech, Inc. Keyboard K120
Bus 003 Device 002: ID 0cf2:6230 ENE Technology, Inc. SD Card Reader (UB623X)
Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 046d:c05a Logitech, Inc. M90/M100 Optical Mouse
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 046d:0819 Logitech, Inc. Webcam C210
Bus 002 Device 004: ID 0820:0003 
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 005: ID 0a5c:4503 Broadcom Corp. Mouse (Boot Interface Subclass)
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
The empty row is the one of the board X820 connected to the disk.

The command
Code:
dmesg | grep usb
gives me this result:
Code:
[   25.344114] usb 2-4: new high-speed USB device number 4 using ehci-pci
[   25.501974] usb 2-4: New USB device found, idVendor=0820, idProduct=0003
[   25.501981] usb 2-4: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[   25.501985] usb 2-4: Product: X820 V3.0
[   25.501989] usb 2-4: Manufacturer: SupTronics
[   25.501992] usb 2-4: SerialNumber: 2019050000A3
The x820 board usb ports are usb3.0 while my system has a usb2.0 port
Do you have any suggestions on how to show them the disc?

Thanks
Claudio

Last edited by dr_berta; 11-18-2019 at 08:37 AM.
 
Old 11-18-2019, 10:46 AM   #2
beachboy2
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Claudio,

Quote:
Originally Posted by dr_berta View Post
The x820 board usb ports are usb3.0 while my system has a usb2.0 port
I think you have answered your own question, if I understand your setup correctly.

Your computer/system only has USB 2.0 ports, whilst the RasPi and X820 motherboard both use USB 3.0.
The supplied blue cable is USB 3.0 (see attached jpg).

I think you need to buy a USB 3.0 (2 or 4 port) PCIe expansion card similar to this:
https://www.amazon.co.uk/FebSmart-Se...31&sr=8-3&th=1
Attached Thumbnails
Click image for larger version

Name:	x820-p1.jpg
Views:	41
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ID:	31892  

Last edited by beachboy2; 11-18-2019 at 10:52 AM.
 
Old 11-18-2019, 10:49 AM   #3
beachboy2
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accidental double post
 
Old 11-18-2019, 10:52 AM   #4
Timothy Miller
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As far as signalling, USB 3.0 is backwards compatible (other than being slower), so power would be the only reason that wouldn't work in a 2.0 slot. Is that a standalone power plug on the board? If so, do you have a power adapter for it? Plugging it in so it was able to get the power it needs to function should allow it to work in a 2.0 slot. Otherwise, agreed with beachboy2, you probably will need to get a USB3.0 add-in card in order to deliver sufficient power for the board to work.
 
Old 11-18-2019, 10:56 AM   #5
beachboy2
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Claudio,

I have just discovered this in the X820 FAQs:

Quote:
Question 3:What to do if the X820 board could not detect the HDD or SSD?

Answer:
(1) At first, please use the high quality power supply adapter, the hard disk will not be recognized if you use the low quality power supply, as the current of this power supply is not enough.

(2) Please run 'lsusb' command under linux terminal, and save the screenshot of the result, then send it to our email: sp@geekworm.com, then we will figure out your problem together.
https://geekworm.com/blogs/raspberry...xpansion-board

Last edited by beachboy2; 11-18-2019 at 10:57 AM.
 
  


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