Board Extraction From The Chassis Body; Figure 12: Screws In Side - Mellanox Technologies MIS5600Q-10DNC Dismantling Manual

Dismantling Document
3

Board Extraction from the Chassis Body

The chassis body contains the following PC boards:

midplane

power backplanes; the 648 port has 4, other chassis have less power backplanes

fan boards; the 648 port has 2, other chassis 1 fan board
1. Remove the Philips screws that hold the sides and top on.
The 648 port chassis has ~111 screws on each side!
2. Disconnect all harnesses that are reachable.
3. Remove the top fan assembly. There are 8 screws holding it on.
4. Disconnect the 3 harnesses (1 flat and 2 power).
5. Remove the screws holding the fan board (there are also latches that need to be unlatched 2
on one side of the chassis and one on the opposite side)
6. Remove the upper fan board.
7. Disconnect all of the harnesses to the upper power bar.
8. Cut all cable ties.
9. Remove the upper power bar.
10. Remove the 8 screws holding the spine framework to the chassis.
11. They are located just above the lower fans.
12. Remove the spine framework from the chassis.

Figure 12: Screws in Side

Rev 1.1
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