How-to: clone Smart 450 SAM module Motorola 9s12dg256 Mask 2k79X by xhorse vvdi prog programmer.
using 2K79X wiring diagram from xprog
Step 1: Read donor SAM EEPROM and Flash
Follow wiring to connect vvdi prog with donor SAM
In vvdiprog software, select Motorola 9s12dg256 2k79X unsecured
Read EEPROM and save data
Read donor SAM Flash data and save
Step 2: Write EEPROM and FLASH to a new SAM
Connect vvdi prog with new SAM module
Open original eeprom read in step 1, and write EEPROM
Open original FLASH data and write to new SAM
Install new SAM back to vehicle and test.