Riser Board Removal; Secured Position Of Latch; Locating The Riser Board Screws - NEC POWERMATE 5100 Service Manual

A – Rail B – Latch Closed
6. Replace the system unit cover (see "Replacing the Cover").

Riser Board Removal

Remove the riser board as follows.
1. Label and unplug all cables on the riser board and on any expansion boards.
2. Remove all expansion boards (see "Expansion Board Removal").
3. Remove the system board (see "System Board Removal").
4. Remove the six screws along the top and bottom of the riser board (see the
following figure).
3-18 Disassembly and Reassembly

Secured Position of Latch

C – Edge of Chassis

Locating the Riser Board Screws

A – Screws
D – Edge of System Board