Tyan-computer Barebone System B4881V50S4H Manuel d'utilisateur télécharger pdf (Page 51)

3.6 Replacing power supplies

Chapter 3: Replacing pre-installed components 43

3.6 Replacing power supplies

The B4881V50S4H has four hot-swap, redundant power sup-

ply bays.

To replace a power supply:

1. Unplug the power cable from the faulty power supply.

2. Loosen the retaining screw.

3. While pressing the release catch, pull the faulty power

supply from the chassis using the handle.

4. Push the new power supply into place and secure with

the retaining screw.

Note: When the CPU expansion board is

installed, A bare minimum of three power

supplies are required to run the

B4881V50S4H. A fourth power supply

should be installed as soon as possible in

the event of a failure.

3.7 Replacing cooling fans

The B4881V50S4H requires three chassis cooling fans.

To replace a cooling fan:

1. Remove the chassis cover. See Removing the chassis

cover on page 13.

2. Remove the CPU expansion board as described in

“Replacing the CPU expansion board” on page 37

Release catch

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Tyan-computer Barebone System B4881V50S4H Manuel d'utilisateur Page 51