comfilepi:hardware_revisions:index
Table of Contents
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 sticker)
- RTC IC is populated.
- Added backlight brightness control feature (GPIO31)
- Use OS 20170828 or later.
v2.2 (Refer to sticker)
- COM1 has been changed from RS-232 to RS-485
- Use OS 20170828 or later.
v2.3 (Refer to sticker)
- Improved I2C circuit
- Improved SD Card support
- Most recent production has a 4th USB port for programming Compute Modules with an eMMC
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.
- Use OS 20170703.
v2.1 (Refer to sticker)
- RTC IC is populated.
- Added backlight brightness control feature (GPIO31)
- Use OS 20170828 or later.
v2.2 (Refer to sticker)
- COM1 has been changed from RS-232 to RS-485
- Use OS 20170828 or later.
v2.3 (Refer to sticker)
- Improved I2C circuit
- Improved SD Card support
CPi_A150WR
v2.1 (Refer to sticker)
- RTC IC is populated.
- Added backlight brightness control feature (GPIO31)
- Use OS 20170918 or later.
v2.2 (Refer to sticker)
- COM1 has been changed from RS-232 to RS-485
- Use OS 20170918 or later.
v2.3 (Refer to sticker)
- Improved I2C circuit
- Improved SD Card support
comfilepi/hardware_revisions/index.txt · Last modified: 2020/06/18 15:50 by COMFILE Technology