Kontron NSN2U IP Network Server Instrukcja Użytkownika Pobierz pdf (Strona 67)

5.7 Replacing the T5520UR Server Board

The IP Network Server NSN2U uses the Intel® server board T5520UR. To replace the

server board, the following components must be removed first:

• Both top chassis covers

• Riser card assembly and plastic guide bracket

• Processor air duct

• Any I/O expansion module or RMM GCM module

• Any cables attached to the server board

• Bridge board

• Power distribution board

In addition, you will probably want to remove the following components for reuse on

the replacement server board if it hasn’t already been populated with spare

components:

• Heat sink(s)

• Processor(s)

• All DIMMs

• Flash memory drive, if installed

CAUTION: Before replacing any of the boards on the NSN2U server, you must first take

the server out of service, turn off all peripheral devices connected to the

server, turn off the server by pressing the power button, and unplug the power

cord(s) from the system and wall outlet.

When handling the power distribution board, observe the normal safety and ESD

precautions. See Appendix A: Safety Information for more information.

Removing the Old Server Board from the Chassis

1. Power down the server and unplug all peripheral devices and the power cable(s).

2. Remove both of the chassis covers. For instructions, see “Removing the Chassis

Covers” in Section 3.2.

3. Remove the riser card assembly. For instructions, see “Removing the Riser Card

Assembly” in Section 3.2.

4. Remove the black plastic riser card assembly/bridge board guide bracket by

loosening the two screws that secure it to the chassis base. See Figure 48 for the

location of this bracket and the screws that attach it.

5. Remove the processor air duct. For instructions, see “Removing the Processor Air

Duct” in Section 3.2.

6. Remove the power distribution board. For instructions, see Section 5.6, “Replacing

the Power Distribution Board”.

7. Disconnect all the cables attached to the server board:

a. SATA optical drive cable

b. Serial port cable

8. Remove the bridge board. For instructions see “Removing the Bridge Board” in

Section 5.3.

9. Remove the I/O expansion module(s) if installed. For information about how these

cards are installed, see Section 4.9, “Installing an I/O Expansion Module”.

10. Remove the GCM4 module if installed. For information about how this card is

installed, see Section 4.10, “Installing a Remote Management Module”.

If you want to reuse components from this server board on the new replacement board,

you can remove them now or after you have removed the server board from the chassis.

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