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comfilepi:hardware_revisions:index

Hardware Revisions

CPi_A070WR

v1.4 (S/N : A01001-17-5-1 ~ A01001-17-5-17)

  • Initial release

v1.5 (S/N : A01001-17-6-1 ~ A01001-17-7-10)

  • Unused USB Port is removed.

v2.0 (S/N : A01001-17-7-11 ~ A01001-17-11-91)

  • Added Enable/Disable function for level shifter IC (TXS0108E). Needs bt-blob.bin file at /boot folder.
  • Populated R33 for backlght On/Off feature (GPIO34).
  • Added RTC cirucuit. However, the RTC IC is not populated.
  • Use OS 20170703 or later.

v2.1 (Refer to the label on the back of the enclosure)

v2.2 (Refer to the label on the back of the enclosure)

  • COM1 has been changed from RS-232 to RS-485
  • Use OS 20170828 or later.

v2.3 (Refer to the label on the back of the enclosure)

  • Improved I2C circuit
  • Improved SD Card support
  • Most recent production has a 4th USB port for programming Compute Modules with an eMMC
  • Beginning in August 2020, production began transitioning from the Compute Module 3 Lite (CM3L) to the Compute Module 3+ Lite (CM3+L). Use the command cat /proc/device-tree/model to verify the precise hardware.

CPi_A102WR

v2.0 (S/N : A01003-17-7-1 ~ A01003-17-10-26)

  • Added Enable/Disable function for level shifter IC (TXS0108E). Needs bt-blob.bin file at /boot folder.
  • Populated R33 for backlght On/Off feature (GPIO34).
  • Added RTC cirucuit. However, RTC IC is not populated.

v2.1 (Refer to the label on the back of the enclosure)

v2.2 (Refer to the label on the back of the enclosure)

  • COM1 has been changed from RS-232 to RS-485
  • Use OS 20170828 or later.

v2.3 (Refer to the label on the back of the enclosure)

  • Improved I2C circuit
  • Improved SD Card support
  • Beginning in August 2020, production began transitioning from the Compute Module 3 Lite (CM3L) to the Compute Module 3+ Lite (CM3+L). Use the command cat /proc/device-tree/model to verify the precise hardware.

CPi_A150WR

v2.1 (Refer to the label on the back of the enclosure)

v2.2 (Refer to the label on the back of the enclosure)

  • COM1 has been changed from RS-232 to RS-485
  • Use OS 20170918 or later.

v2.3 (Refer to the label on the back of the enclosure)

  • Improved I2C circuit
  • Improved SD Card support
  • Beginning in August 2020, production began transitioning from the Compute Module 3 Lite (CM3L) to the Compute Module 3+ Lite (CM3+L). Use the command cat /proc/device-tree/model to verify the precise hardware.
comfilepi/hardware_revisions/index.txt · Last modified: 2020/09/17 14:21 by COMFILE Technology