Disassembly; System Access Cover; Expansion Board Removal; Removing The Board - NEC Direction SP E-Series Reference Manual

When handling boards or chips, ground yourself to release
static.

Disassembly

Use the following procedures to disassemble the system unit.
Note:
system unit. Voltage is present inside the system unit even
after the power is off. All voltage is removed only when the
power cord is unplugged.

System Access Cover

To remove and replace the system access cover, see "Option Installation."

Expansion Board Removal

Remove any installed expansion board(s) per the following steps.
1. Remove the system access cover as described in "Option Installation."
2. Disconnect any cables leading from the expansion board(s).
3. Remove the screw that secures the board to the support bracket.
4. Pull the board out of the connector. Gently rock the board from side-to-side
to release it from its connector (see the following figure).
! CAUTION
Unplug the power cord before disassembling the

Removing the Board

Disassembly and Reassembly 5-3