Lenovo 5457 Installation And Service Manual page 60

• You have removed the blue optical drive rails from the side of the old drive and have them available for
installation on the new drive.
Note: If you are installing a drive that contains a laser, observe the following safety precautions.
Statement 3
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are
installed, note the following:
• Do not remove the covers. Removing the covers of the laser product could result in exposure to
hazardous laser radiation. There are no serviceable parts inside the device.
• Use of controls or adjustments or performance of procedures other than those specified herein
might result in hazardous radiation exposure.
DANGER
Some laser products contain an embedded Class 3A or Class 3B laser diode.
Note the following. Laser radiation when open. Do not stare into the beam, do not view directly with
optical instruments, and avoid direct exposure to the beam.
Class 1 Laser Product
Laser Klasse 1
Laser Klass 1
Luokan 1 Laserlaite
`
Appareil A Laser de Classe 1
To install a DVD drive on 4U server models with non-hot-swap power supplies, complete the following steps.
For the 5U server model with hot-swap power supplies, please see the next sub-section.
1. Read the safety information in
2. Follow the instructions that come with the drive to set jumpers or switches, if there are any.
Note: You might find it easier to install the new drive from the front and then attach the cables.
3. Turn off the server and all peripheral devices; then, disconnect the power cords and all external cables.
4. Remove the bezel (see
5. Carefully turn the server on its side so that it is lying flat, with the cover facing up.
Attention: Do not allow the server to fall over.
6. Remove the side cover (see
Lenovo System x3100 M5 Installation and Service Guide
48
"Safety" on page v
"Removing the bezel" on page
"Removing the side cover" on page
and "Installation guidelines" on page
37).
34).
31.