INSTRUCTIONS – CATAPULT.STX

INDEX

Full Cover or CUTOUT Motherboard tray

There are 2 variations of motherboard panel coverage, and both use 3D printed standoffs that comply with the version 2.1 ATX specification (assuming standard tolerances with 3D printed parts):

Wikipedia – Computer case screws

Version 2.1 of the ATX specification states that the length of standoffs needs to be at least 0.25 inches (6.4 mm), with their cross sections fitting within 0.40 by 0.40 inches (10 mm × 10 mm) square areas centered around each mounting hole on ATX motherboards.

OPTION 1 (Cutout)

  • Provides access to rear mounted M.2 and CPU heatsink mounting hardware
  • Can be snubbed or standard
  • Recommended option

OPTION 2 (Full Cover)

  • Can be snubbed or standard

Snubbed Motherboard Trays

The snubbed versions of motherboard trays allows full access to the following ports on the CrowPanel 5.0″-HMI ESP32 Display to be used in the front panel

  • 1* UART0
  • 2* GPIO
  • 2* I2C

OPTION 1 (Standard)

  • Can be Full Cover or Cutout

OPTION 2 (Snubbed)

  • Can be Full Cover or Cutout
  • Recommended option

Install threaded inserts

Use a soldering iron to install M2.5 threaded inserts (3.5mm depth)

Side Panel (Removable) = 12 inserts