For information on available variants, see the Part Numbers & Accessories section of the ConnectCore 8M Nano product page.

See U-Boot files by variant for a list of U-Boot files associated with each variant type.

You can find the variant number of your module on the serial console boot log:

U-Boot SPL dub-2020.04-r6.1 (Sep 19 2023 - 07:18:57 +0000)
DDRINFO: start DRAM init
DDRINFO:ddrphy calibration done
DDRINFO: ddrmix config done
Normal Boot
Trying to boot from BOOTROM
image offset 0x0, pagesize 0x200, ivt offset 0x0
NOTICE:  BL31: v2.4(release):lf-5.10.72-2.2.3-2-gb91c6a890
NOTICE:  BL31: Built : 07:19:22, Sep 19 2023

U-Boot dub-2020.04-r6.1 (Sep 19 2023 - 07:18:57 +0000)

CPU:   i.MX8MNano Quad rev1.0 1400 MHz (running at 1200 MHz)
CPU:   Industrial temperature grade (-40C to 105C) at 36C
Reset cause: POR
DRAM:  1 GiB
MCA:   HW_VER=1  FW_VER=1.01
In:    serial
Out:   serial
Err:   serial
Model: Digi ConnectCore 8M Nano Development Kit
ConnectCore 8M Nano SOM variant 0x01: 1 GiB LPDDR4, Wi-Fi, Bluetooth, MCA, Crypto-auth
  Board version 3, ID undefined
Boot:  MMC2

  - ATF b91c6a8
  - U-Boot dub-2020.04-r6.1

flash target is MMC:0
Net:   eth0: ethernet@30be0000
Fastboot: Normal
Normal Boot
Hit any key to stop autoboot:  0

See also

See Simulate a SOM variant for instructions on simulating via software a variant with less cores and RAM memory.