IBM TotalStorage 300 Service Manual page 85

CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or
transmitters) are installed, note the following:
v 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.
v 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.
Note: safety notice translations, see "Safety and environmental notices" on
page 173.
4. Remove the cable connecting the CD-ROM drive to the IDE connector on the
system board.
5. Slide out the old CD-ROM drive from the engine.
6. Touch the static-protective bag containing the drive to any unpainted metal
surface on the engine; then, remove the new drive from the bag and place it
on a static-protective surface.
7. Set any jumpers or switches on the drive according to the documentation that
comes with the drive.
8. Install rails on the drive.
v Remove the blue slide rails off the old CD-ROM drive.
v Clip the rails onto the sides of the new drive.
9. Place the drive so that the slide rails engage in the bay guide rails. Push the
drive into the bay until it clicks into place.
10. Reconnect the cable from the CD-ROM drive to the IDE connector on the
system board.
11. Set the jumper on the back of the new drive to slave.
Installing or replacing memory modules
Your IBM NAS 300 engine comes fully configured with one 1 GB of memory, but to
improve performance in certain environments, you can install an additional 1GB of
memory (two–512KB DIMMs).
Chapter 5. Installing and replacing IBM NAS 300 components
75