Toshiba Portege M100 Maintenance Manual page 274

4 Replacement Procedures
6. Secure the system board with two M2 4 screws .
CAUTION: Make sure you connect the boards securely. A loose connection could cause
damage to the boards. Also, if the connectors are not fully seated the boards
could be bent and damaged when you secure them with screws.
CAUTION: There are two MAC address barcode labels in the package containing the
new system board. Apply one label to the bottom of the computer and one to
the box the computer was shipped in. Before you apply the new labels,
remove the old ones from the computer and the box. The computer may
have MAC address barcode labels for both wired and wireless LANs. Be sure
to replace the correct label.
4-58 PORTEGE M100 Maintenance Manual (960-452)
4.15 System Board