Main Board - Samsung ProXpress M453x series Service Manual

3. Disassembly and Reassembly

3.3.7. Main Board

1. Remove the right cover. (Refer to 3.3.3.)
2. Remove the HDD. (Refer to 3.3.6.)
3. Unplug all harness from the main board. Remove 4
screws. Then release the main board.
NOTE
• When a main board needs to be exchanged, the
MSOK PBA should be re-installed to the new main
board to retain the system information.
3-14 Copyright© 1995-2017 SAMSUNG. All rights reserved.