NEC 78K/0 Series User Manual page 29

CHAPTER 3 INSTALLATION
Figure 3-4. Connecting Performance Board, I/O Board and Emulation Board (2/2)
<7> Replace the top cover and fasten the four
screws on the sides.
IE-78×××-NS-EM4
IE-78K0×××-NS-P0×
IE-78K0-NS-PA
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User's Manual U13731EJ3V0UM