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Copy file name to clipboardExpand all lines: documentation/asciidoc/computers/compute-module/cmio-display.adoc
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@@ -6,36 +6,36 @@ Update your system software and firmware to the latest version before starting.
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NOTE: The Raspberry Pi Zero camera cable can't be used as an alternative to the RPI-DISPLAY adapter. The two cables have distinct wiring.
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To connect a display to DISP1/DSI1:
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To connect a display to `DISP1/DSI1``:
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. Disconnect the Compute Module from power.
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. Connect the display to the DISP1/DSI1 port on the Compute Module IO board through the 22W to 15W display adapter.
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. Connect the display to the `DISP1/DSI1`` port on the Compute Module IO board through the 22W to 15W display adapter.
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. Complete the appropriate jumper connections:
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- For *CM1*, *CM3*, *CM3+*, and *CM4S*, connect the following GPIO pins with jumper cables:
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* `0` to `CD1_SDA`
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* `1` to `CD1_SCL`
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- For *CM5*, on the Compute Module 5 IO board, add the appropriate jumpers to J6, as indicated on the silkscreen.
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. Reconnect the Compute Module to power.
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. Add `dtoverlay=vc4-kms-dsi-7inch` to xref:../computers/config_txt.adoc#what-is-config-txt[`/boot/firmware/config.txt`]:
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. Add `dtoverlay=vc4-kms-dsi-7inch` to xref:../computers/config_txt.adoc#what-is-config-txt[`/boot/firmware/config.txt`].
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. Reboot your Compute Module with `sudo reboot`. Your device should detect and begin displaying output to your display.
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=== Connect a display to DISP0/DSI0
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To connect a display to DISP0/DSI0 on CM1, CM3 and CM4 IO boards:
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To connect a display to `DISP0/DSI0`` on CM1, CM3, and CM4 IO boards:
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. Connect the display to the DISP0/DSI0 port on the Compute Module IO board through the 22W to 15W display adapter.
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. Connect the display to the `DISP0/DSI0`` port on the Compute Module IO board through the 22W to 15W display adapter.
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. Complete the appropriate jumper connections:
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- For *CM1*, *CM3*, *CM3+*, and *CM4S*, connect the following GPIO pins with jumper cables:
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* `28` to `CD0_SDA`
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* `29` to `CD0_SCL`
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- For *CM4*, on the Compute Module 4 IO board, add the appropriate jumpers to J6, as indicated on the silkscreen.
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. Reconnect the Compute Module to power.
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. Add `dtoverlay=vc4-kms-dsi-7inch` to `/boot/firmware/config.txt`:
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. Add `dtoverlay=vc4-kms-dsi-7inch` to `/boot/firmware/config.txt`.
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. Reboot your Compute Module with `sudo reboot`. Your device should detect and begin displaying output to your display.
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=== Disable touchscreen
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The touchscreen requires no additional configuration. Connect it to your Compute Module, and both the touchscreen element and display should work once successfully detected.
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The touchscreen requires no additional configuration. Connect it to your Compute Module; both the touchscreen element and display work when successfully detected.
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To disable the touchscreen element, but still use the display, add the following line to `/boot/firmware/config.txt`:
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@@ -55,11 +55,11 @@ ignore_lcd=1
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== Attaching the Touch Display 2 LCD panel
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Touch Display 2 is an LCD display designed specifically for Raspberry Pi devices (see https://www.raspberrypi.com/products/touch-display-2/). It's available in two sizes: 5 inches or 7 inches (diagonally). For more information about these options, see *Specifications* in xref:../accessories/touch-display-2.adoc[Touch Display 2].
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Touch Display 2 is an LCD display designed for Raspberry Pi devices (see https://www.raspberrypi.com/products/touch-display-2/). It's available in two sizes: 5 inches or 7 inches (diagonally). For more information about these options, see *Specifications* in xref:../accessories/touch-display-2.adoc[Touch Display 2].
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Regardless of the size that you use, Touch Display 2 connects in the same way as the original Touch Display, but the software setup on Compute Modules is slightly different because it uses a different display driver. For connection details, see *Connectors* in xref:../accessories/touch-display-2.adoc[Touch Display 2].
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Edit the `/boot/firmware/config.txt` file and add the following to enable Touch Display 2 on `DISP1/DSI1`. You must also add jumpers to J6 as indicated on the silkscreen.
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To enable Touch Display 2 on `DISP1/DSI1`, edit the `/boot/firmware/config.txt` file to add the following. You must also add jumpers to J6 as indicated on the silkscreen.
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- For the *5-inch* display: `dtoverlay=vc4-kms-dsi-ili9881-5inch`
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- For the *7-inch* display: `dtoverlay=vc4-kms-dsi-ili9881-7inch`
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