Atari 800XL mount for U1M

This is a mount for the Ultimate 1 Megabyte for the Atari 800XL. There are two files. The file with HSI in is name uses 2.5mm heat set inserts to hold the U1M. No modification to the 800XL is required to use this mount. Uses the screws that hold the main board to the case and one of the RF shields attachments to hold it securely in place.