diff --git a/src/documentation/system/platform/cf2-expansiondecks.md b/src/documentation/system/platform/cf2-expansiondecks.md
index adbcedfd..27a7c6d6 100644
--- a/src/documentation/system/platform/cf2-expansiondecks.md
+++ b/src/documentation/system/platform/cf2-expansiondecks.md
@@ -130,23 +130,23 @@ bridges or 0 Ohm resistors and are thus alternative connections. The
 idea is to make it possible to re-route a connection if you want to use
 two decks where the connections collide.
 
-|                                                   | UART1 | UART1 | I2C   | I2C   | STM32 IO | STM32 IO     | STM32 IO | STM32 IO | UART2 | UART2 | SPI   | SPI   | SPI   | nRF51 IO | nRF51 IO |      |
-| Name                                              | RX1   |  TX1  | SDA   | SCL   | IO1      |  IO2         | IO3      | IO4      | TX2   | RX2   | SCK   | MOSI  | MISO  | NIO1     | NIO2     | PWR  |
-|---------------------------------------------------|-------|-------|-------|-------|----------|--------------|----------|----------|-------|-------|-------|-------|-------|----------|----------|------|
-| **{% poplink led-ring-deck %}**                   |       |       |       |       |          |  PWM         |  PWM     |          |       |       |       |       |       |          |          | VCOM |
-| **{% poplink qi-1-2-wireless-charging-deck %}**   |       |       |       |       |          |              |          |          |       |       |       |       |       | CHG      |          | N/A  |
-| **{% poplink sd-card-deck %}**                    |       |       |       |       | *(CS)*   | *(CS)*       |  *(CS)*  | CS       |       |       | SCK   | MOSI  | MISO  |          |          | VCC  |
-| **{% poplink loco-positioning-deck %}**           | IRQ   | RST   |       |       | CS       | *(IRQ)*      | *(RST)*  |          |       |       | SCK   | MOSI  | MISO  |          |          | VCOM |
-| **{% poplink bigquad-deck %}**                    |*(RX1)*|*(TX1)*|*(SDA)*|*(SCL)*|          | PWM          | PWM      | *(IO)*   | PWM   | PWM   |*(ADC)*|*(ADC)*| *(IO)*|          |          | N/A  |
-| **{% poplink buzzer-deck %}**                     |       |       |       |       |          |              |          |          | PWM   | PWM   |       |       |       |          |          | N/A  |
-| **{% poplink z-ranger-deck %}, Z-ranger deck V1** |       |       | SDA   | SCL   |          |*(VL53_IO)*   |          |          |       |       |       |       |       |          |          | VCC  |
-| **{% poplink flow-deck %}, Flow deck V1**         |       |       | SDA   | SCL   |          |*(RST/MOT/IO)*| CS       |          |       |       | SCK   | MOSI  | MISO  |          |          | VCC  |
-| **{% poplink multi-ranger-deck%}**                |       |       | SDA   | SCL   |          |              |          |          |       |       |       |       |       |          |          | VCOM |
-| **{% poplink motion-capture-marker-deck %}**      |       |       |       |       |          |*(BTN/IO)*    |*(BTN/IO)*|          |       |       |       |       |       |          |          | N/A  |
-| **{% poplink lighthouse-deck %}**                 | RX1   | TX1   |*(SDA)*|*(SCL)*|          |              |          |          |       |       |       |       |       |          |          | N/A  |
-| **{% poplink active-marker-deck %}**              |       |       | SDA   | SCL   |          |              |          |          |       |       |       |       |       |          |          | N/A  |
-| **{% poplink ai-deck %}**                         |*(RX1)*|*(TX1)*| SDA   | SCL   | BOOT     |              |          | RST      |*(TX2)*|*(RX2)*|       |       |       |          |          | VCOM |
-|---------------------------------------------------|-------|-------|-------|-------|----------|--------------|----------|----------|-------|-------|-------|-------|-------|----------|----------|------|
+|                                                   | UART1  | UART1 | I2C   | I2C   | STM32 IO | STM32 IO     | STM32 IO | STM32 IO   | UART2 | UART2 | SPI   | SPI   | SPI   | nRF51 IO | nRF51 IO |      |
+| Name                                              | RX1    |  TX1  | SDA   | SCL   | IO1      |  IO2         | IO3      | IO4        | TX2   | RX2   | SCK   | MOSI  | MISO  | NIO1     | NIO2     | PWR  |
+|---------------------------------------------------|--------|-------|-------|-------|----------|--------------|----------|------------|-------|-------|-------|-------|-------|----------|----------|------|
+| **{% poplink led-ring-deck %}**                   |        |       |       |       |          |  PWM         |  PWM     |            |       |       |       |       |       |          |          | VCOM |
+| **{% poplink qi-1-2-wireless-charging-deck %}**   |        |       |       |       |          |              |          |            |       |       |       |       |       | CHG      |          | N/A  |
+| **{% poplink sd-card-deck %}**                    |*(MISO)*|*(SCK)*|       |       | *(CS)*   | *(CS)*       |  *(CS)*  | CS/*(MOSI)*|       |       | SCK   | MOSI  | MISO  |          |          | VCC  |
+| **{% poplink loco-positioning-deck %}**           | IRQ    | RST   |       |       | CS       | *(IRQ)*      | *(RST)*  |            |       |       | SCK   | MOSI  | MISO  |          |          | VCOM |
+| **{% poplink bigquad-deck %}**                    |*(RX1)* |*(TX1)*|*(SDA)*|*(SCL)*|          | PWM          | PWM      | *(IO)*     | PWM   | PWM   |*(ADC)*|*(ADC)*| *(IO)*|          |          | N/A  |
+| **{% poplink buzzer-deck %}**                     |        |       |       |       |          |              |          |            | PWM   | PWM   |       |       |       |          |          | N/A  |
+| **{% poplink z-ranger-deck %}, Z-ranger deck V1** |        |       | SDA   | SCL   |          |*(VL53_IO)*   |          |            |       |       |       |       |       |          |          | VCC  |
+| **{% poplink flow-deck %}, Flow deck V1**         |        |       | SDA   | SCL   |          |*(RST/MOT/IO)*| CS       |            |*(RST)*|*(MOT)*| SCK   | MOSI  | MISO  |          |          | VCC  |
+| **{% poplink multi-ranger-deck%}**                |        |       | SDA   | SCL   |          |              |          |            |       |       |       |       |       |          |          | VCOM |
+| **{% poplink motion-capture-marker-deck %}**      |        |       |       |       |          |*(BTN/IO)*    |*(BTN/IO)*|            |       |       |       |       |       |          |          | N/A  |
+| **{% poplink lighthouse-deck %}**                 | RX1    | TX1   |*(SDA)*|*(SCL)*|          |              |          |            |       |       |       |       |       |          |          | N/A  |
+| **{% poplink active-marker-deck %}**              |        |       | SDA   | SCL   |          |              |          |            |       |       |       |       |       |          |          | N/A  |
+| **{% poplink ai-deck %}**                         | RX1    | TX1   | SDA   | SCL   | BOOT     |              |          | RST        | TX2   | RX2   |       |       |       |          |          | VCOM |
+|---------------------------------------------------|--------|-------|-------|-------|----------|--------------|----------|------------|-------|-------|-------|-------|-------|----------|----------|------|
 
 Compatibility matrixes
 ----------------------
@@ -183,23 +183,24 @@ are normally physically blocking each other are marked as not
 compatible.
 
 
- |                           | {% poplink led-ring-deck %} | {% poplink qi-1-2-wireless-charging-deck %} | {% poplink sd-card-deck %} | {% poplink loco-positioning-deck %} | {% poplink bigquad-deck %} | {% poplink buzzer-deck %} | bcESP | {% poplink z-ranger-deck %}, Z-ranger V1 | {% poplink flow-deck %}, Flow deck V1 | {% poplink multi-ranger-deck%} | {% poplink motion-capture-marker-deck %} | {% poplink lighthouse-deck %} | {% poplink active-marker-deck %} | {% poplink ai-deck %} |
- |----------------------------------------------------|----------|------------|----------|------------------|----------|--------|-------|----------|---------|--------------|-------------------|--------------|---------------|---------|
- | **{% poplink led-ring-deck %}**                    | -        |            | yes      | yes              |          | yes    | yes   |          |         | yes          | yes               | yes          | yes           | yes     |
- | **{% poplink qi-1-2-wireless-charging-deck %}**    |          | -          | yes      | yes              | yes      | yes    | yes   |          |         | yes          | yes               | yes          | yes           | yes     |
- | **{% poplink sd-card-deck %}**                     | yes      | yes        | -        | yes *1           | yes      | yes    | yes   | yes      | yes *1  | yes          | yes               | yes          | yes           | *4      |
- | **{% poplink loco-positioning-deck %}**            | yes      | yes        | yes *1   | -                | yes      | yes    | yes   | yes      | yes     | yes          | yes               | *2           | yes           | no*5    |
- | **{% poplink bigquad-deck %}**                     |          | yes        | yes      | yes              | -        |        |       | yes      |         | yes          | yes               | *2           | yes           | yes     |
- | **{% poplink buzzer-deck %}**                      | yes      | yes        | yes      | yes              |          | -      |       | yes      | yes     | yes          | yes               | yes          | yes           | yes     |
- | **{% poplink z-ranger-deck %}, Z-ranger V1**       |          |            | yes      | yes              | yes      | yes    | yes   | -        |         | yes          | yes               | yes          | yes           | yes     |
- | **{% poplink flow-deck %}, Flow deck V1**          |          |            | yes *1   | yes              |          | yes    | yes   |          | -       | yes          | yes               | yes          | yes           | yes     |
- | **{% poplink multi-ranger-deck%}**                 | yes      | yes        | yes      | yes              | yes      | yes    | yes   | yes      | yes     | -            | yes               | yes          | yes           | yes     |
- | **{% poplink motion-capture-marker-deck %}**       | yes      | yes        | yes      | yes              | yes      | yes    | yes   | yes      | yes     | yes          | -                 | yes          |               | yes     |
- | **{% poplink lighthouse-deck %}**                  | yes      | yes        | yes      | *2               | *2       | yes    | yes   | yes      | yes     | yes          | yes               | -            |               | *3      |
- | **{% poplink active-marker-deck %}**               | yes      | yes        | yes      | yes              | yes      | yes    | yes   | yes      | yes     | yes          |                   |              | -             | yes     |
- | **{% poplink ai-deck %}**                          | yes      | yes        | *4       | no*5             | yes      | yes    | yes   | yes      | yes     | yes          | yes               | *3           | yes           | -       |
- |----------------------------------------------------|----------|------------|----------|------------------|----------|--------|-------|----------|---------|--------------|-------------------|--------------|---------------|---------|
-
+ |                           | {% poplink led-ring-deck %} | {% poplink qi-1-2-wireless-charging-deck %} | {% poplink sd-card-deck %} | {% poplink loco-positioning-deck %} | {% poplink bigquad-deck %} | {% poplink buzzer-deck %} | {% poplink z-ranger-deck %}, Z-ranger V1 | {% poplink flow-deck %}, Flow deck V1 | {% poplink multi-ranger-deck%} | {% poplink motion-capture-marker-deck %} | {% poplink lighthouse-deck %} | {% poplink active-marker-deck %} | {% poplink ai-deck %} |
+ |----------------------------------------------------|----------|------------|----------|------------------|----------|--------|----------|---------|--------------|-------------------|--------------|---------------|---------|
+ | **{% poplink led-ring-deck %}**                    | -        |            | yes      | yes              |          | yes    |          |         | yes          | yes               | yes          | yes           | yes     |
+ | **{% poplink qi-1-2-wireless-charging-deck %}**    |          | -          | yes      | yes              | yes      | yes    |          |         | yes          | yes               | yes          | yes           | yes     |
+ | **{% poplink sd-card-deck %}**                     | yes      | yes        | -        | yes *1           | yes      | yes    | yes      | yes *1  | yes          | yes               | yes          | yes           | *4      |
+ | **{% poplink loco-positioning-deck %}**            | yes      | yes        | yes *1   | -                | yes      | yes    | yes      | yes     | yes          | yes               | *2           | yes           | *5      |
+ | **{% poplink bigquad-deck %}**                     |          | yes        | yes      | yes              | -        |        | yes      |         | yes          | yes               | *2           | yes           | *6      |
+ | **{% poplink buzzer-deck %}**                      | yes      | yes        | yes      | yes              |          | -      | yes      | yes     | yes          | yes               | yes          | yes           | *6      |
+ | **{% poplink z-ranger-deck %}, Z-ranger V1**       |          |            | yes      | yes              | yes      | yes    | -        |         | yes          | yes               | yes          | yes           | yes     |
+ | **{% poplink flow-deck %}, Flow deck V1**          |          |            | yes *1   | yes              |          | yes    |          | -       | yes          | yes               | yes          | yes           | yes     |
+ | **{% poplink multi-ranger-deck%}**                 | yes      | yes        | yes      | yes              | yes      | yes    | yes      | yes     | -            | yes               | yes          | yes           | yes     |
+ | **{% poplink motion-capture-marker-deck %}**       | yes      | yes        | yes      | yes              | yes      | yes    | yes      | yes     | yes          | -                 | yes          |               | yes     |
+ | **{% poplink lighthouse-deck %}**                  | yes      | yes        | yes      | *2               | *2       | yes    | yes      | yes     | yes          | yes               | -            |               | *3      |
+ | **{% poplink active-marker-deck %}**               | yes      | yes        | yes      | yes              | yes      | yes    | yes      | yes     | yes          |                   |              | -             | yes     |
+ | **{% poplink ai-deck %}**                          | yes      | yes        | *4       | *5               | *6       | *6     | yes      | yes     | yes          | yes               | *3           | yes           | -       |
+ |----------------------------------------------------|----------|------------|----------|------------------|----------|--------|----------|---------|--------------|-------------------|--------------|---------------|---------|
+
+<!--                                                  | led-ring | qi charg   | sd-card  | loco-positioning | bigquad  | buzzer | z-ranger | flow    | multi-ranger | mocap marker deck | lighthouse   | active marker | ai-deck -->
 **Notes:**
 
 1.  SPI sharing might limit the logging speed of the uSD-card deck.
@@ -207,3 +208,4 @@ compatible.
 3.  The GAP8 module is connected to UART1, so if that is enabled there will be conflicts
 4.  The Micro-SD deck and AI deck both use IO4, the Micro-SD deck needs to be patched to use another IO for Chip Select
 5.  With a patch or workaround it is possible
+6.  CPX uses UART2 to communicate with the ESP32 by default, if that is enabled there will be conflicts.