Help with LIME2

[naray23]

Hi
I have bought the A20  Lime2 8GB nand Industrial version.
I downloaded the A20-OLinuXino-buster-base-20210318-122357.img and programmed my SD card using Etcher.
I am using the PC usb port to power the board.
When i connect the serial port this is the message i get
U-Boot SPL 2021.01+olimex-2-20210317.105620 (Mar 17 2021 - 10:57:18 +0000)
DRAM: 1024 MiB
CPU: 912000000Hz, AXI/AHB/APB: 3/2/2
Loading configuration from EEPROM: OK
Verifying data: OK
Trying to boot from MMC1


U-Boot 2021.01+olimex-2-20210317.105620 (Mar 17 2021 - 10:57:18 +0000) Allwinner                                                                                                                                                              Technology

CPU:   Allwinner A20 (SUN7I)
ID:    A20-OLinuXino-LIME2-n8GB Rev.L
SN:    00013ED3
MAC:   30:1F:9A:D0:A0:C9
I2C:   ready
DRAM:  1 GiB
MMC:   mmc@1c0f000: 0
Loading Environment from EXT4... *** Warning - bad CRC, using default environmen                                                                                                                                                             t

Loading Environment from FAT... ** No device specified **
HDMI connected: Setting up a 1920x1080 hdmi console (overscan 0x0)
In:    serial
Out:   vga
Err:   vga
Allwinner mUSB OTG (Peripheral)
Net:   eth0: ethernet@1c50000, eth1: usb_ether
starting USB...
Bus usb@1c14000:
U-Boot SPL 2021.01+olimex-2-20210317.105620 (Mar 17 2021 - 10:57:18 +0000)
DRAM: 1024 MiB
CPU: 912000000Hz, AXI/AHB/APB: 3/2/2
Loading configuration from EEPROM: OK
Verifying data: OK
Trying to boot from MMC1


U-Boot 2021.01+olimex-2-20210317.105620 (Mar 17 2021 - 10:57:18 +0000) Allwinner                                                                                                                                                              Technology

CPU:   Allwinner A20 (SUN7I)
ID:    A20-OLinuXino-LIME2-n8GB Rev.L
SN:    00013ED3
MAC:   30:1F:9A:D0:A0:C9
I2C:   ready
DRAM:  1 GiB
MMC:   mmc@1c0f000: 0
Loading Environment from EXT4... *** Warning - bad CRC, using default environmen                                                                                                                                                             t

Loading Environment from FAT... ** No device specified **
HDMI connected: Setting up a 1920x1080 hdmi console (overscan 0x0)
In:    serial
Out:   vga
Err:   vga
Allwinner mUSB OTG (Peripheral)
Net:   eth0: ethernet@1c50000, eth1: usb_ether
starting USB...
Bus usb@1c14000:

After this the board hangs.
Can anybody help with this.

Regards
Gopalakrishnan.N

[LubOlimex]

This is power issue. The board stops when more current is required. You can't power the board from the USB.

Use the barrel jack to power it. It requires 5V DC power supply capable of maintaining at least 2A of current (10W = 5V x 2A).

You can find the power jack dimensions here:

https://www.olimex.com/wiki/PWRJACK

You can find suitable adapter with power jack here (or use the page and the pictures as a reference):

https://www.olimex.com/Products/Power/SY1005E/