Table of Contents
Hardware Revisions
CPi-F104PR & CPi-F150PR
v1.0
CPi-C070WR4C
v2.0
v1.0
CPi-A070WR, CPi-A102WR, CPi-S070WR
v2.7
v2.6
v2.5
v2.4
v2.3
v2.2
v2.1
v2.0 (S/N : A01001-17-7-11 ~ A01001-17-11-91, A01003-17-7-1 ~ A01003-17-10-26)
v1.5 (S/N : A01001-17-6-1 ~ A01001-17-7-10)
v1.4 (S/N : A01001-17-5-1 ~ A01001-17-5-17)
CPi-A101WR, CPi-S101WR
v1.4
v1.3
v1.2
v1.1
v1.0
CPi-A150WR, CPi-S150WR
v1.6
v1.5
v1.4
v1.3
CPi-A070WT
v1.3
v1.2
v1.1
v1.0
Hardware Revisions
CPi-F104PR & CPi-F150PR
v1.0
Initial release
CPi-C070WR4C
v2.0
Replaced SMSC9512 10/100 Ethernet with CM4's 1Gbps internal Ethernet. Please remove the
dtoverlay=noeth
setting in the
/boot/config.txt
file.
Replaced 9514 USB/Ethernet IC with USB hub IC
OS
20230227 or later is recommended.
v1.0
Initial release
CPi-A070WR, CPi-A102WR, CPi-S070WR
v2.7
Added support for CM4S modules
v2.6
Added USB device protection circuit
v2.5
Voltage regulator component change
v2.4
PCB layout (solder mask) improvements.
Some manually applied changes in v2.3 are now permanent and applied during fabrication
[CPi-A070xx] Beginning in June 2020, modifications to improve EMI performance
[CPi-A102xx] Beginning in June 2021, modifications to improve EMI performance
v2.3
Improved I2C circuit
Improved SD Card support
Most recent production has a 4th USB port for programming Compute Modules with an eMMC
Beginning in October 2020, production began populating the RS-485 port with 1kΩ bias resistors.
v2.2
COM1 has been changed from RS-232 to RS-485
Use
OS 20170828
or later.
v2.1
RTC IC is populated.
Added
backlight brightness control feature
(GPIO31)
Use
OS 20170828
or later.
v2.0 (S/N : A01001-17-7-11 ~ A01001-17-11-91, 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, the RTC IC is not populated.
Use
OS 20170703
or later.
v1.5 (S/N : A01001-17-6-1 ~ A01001-17-7-10)
Unused USB Port is removed.
v1.4 (S/N : A01001-17-5-1 ~ A01001-17-5-17)
Initial release
CPi-A101WR, CPi-S101WR
v1.4
Added support for CM4S modules
v1.3
Added USB device protection circuit
v1.2
Voltage regulator component change
v1.1
Improved I2C circuit
v1.0
Initial Release
CPi-A150WR, CPi-S150WR
v1.6
Added support for CM4S modules
v1.5
Voltage regulator component change
v1.4
Improved I2C circuit
v1.3
Initial release
CPi-A070WT
v1.3
Voltage regulator component change
v1.2
Modifications to improve EMI performance
v1.1
Changes to support eMMC
Improved I2C circuit.
v1.0
Initial Release
ComfilePi - Industrial Raspberry Pi Panel PC