AMT Datasouth Fastmark M5 Plus Series User Manual page 15

6. Remove the screw from the memory card cover, and left the cover off.
7. Plug in the Cutter Driver IC at U14(M5 DT) / U30(M5 DT PLUS) socket on the main
board.
M5 DT Model
Note:
For Non-RoHS PCB, use cutter driver IC A3952SB
For RoHS PCB, use cutter driver IC A3953SB
M5 DT PLUS Model
13
Memory Card
Cover Screw