Installing An Optional Media Fan Assembly - IBM RS/6000 44P 170 Installation Manual

6. Replace the chassis blank. To do this, insert the bottom tabs, then rotate inward,
snapping the chassis blank into place.
7. Replace the bezel blank by removing the CD-ROM screws. Slide the CD-ROM
drive further into the chassis. This allows room to install the bezel blank from the
back. After the bezel blank is installed, slide the CD-ROM back into place and
replace the screws.
8. Install the optional media fan assembly (go to step 8 of "Installing an Optional
Media Fan Assembly").
9. If you have additional options to install, refer to "Option List" on page 30 for the
appropriate page number, and skip to that section. Otherwise, continue with these
steps.
10. Replace the left side cover as described in "Replacing the Left Side Cover" on
page 25.
11. Reconnect all cables.
12. Turn on the power.

Installing an Optional Media Fan Assembly

1. Shut down the system as described in "Stopping the System Unit" on page 22.
2. Unplug the power cable.
3. Remove the left side cover as described in "Removing the Left Side Cover" on
page 23.
4. Loosen, but do not remove the screws holding the existing air duct to the media
bays (see steps 1 through 5 of "Removing CD-ROM Drives and Tape Drives" on
page 45).
Note: Loosen the screws only enough to enable the air duct to slide forward to
5. Remove the air duct located between the power supply and media bay.
6. Discard the old air duct.
7. If you are installing a new disk drive in the optional media bay, do so now. See
"Installing an Optional Disk Drive" on page 48, then return to the next step.
8. Ensure that all cables between the optional DASD bays and the power supply do
not interfere with the new fan and air duct assembly
9. Remove the internal DASD cage to access the front fan connector, J32 (see steps
5 through 9 of "Disk Drives" on page 42), then return to the next step.
10. Note where the front fan is connected to the system board (connector J32).
11. Unplug the front fan from the system board.
12. Plug the front fan connector into the connector on the short wire from the optional
media fan.
13. Plug the optional media fan into connector J32.
14. Replace the air duct with the optional media fan assembly between the optional
DASD bays and the power supply.
remove it.
Chapter 3. Installing Options for the RS/6000 44P Series Model 170
49