IBM e Server i Series Manual

Contents

Install the 7124 or 7127 disk unit enclosureThe 7127 disk unit enclosure is installed in the upper position of the 820 systemunit. The 7124 disk unit enclosure is installed in the lower two positions of the 825system unit.__ 1. If an Integrated xSeries Adapter (IXA) is present on the system, shut itdown using OS/400 options.__ 2. Ensure that all jobs are complete.__ 3. When all jobs are complete, type pwrdwnsys *immed on an iSeries commandline and press Enter.__ 4. When the iSeries is completely powered down, power off all PCs anddevices, such as printers and displays, that are connected to the systemunit.__ 5. Unplug any power cords, such as printers and displays, from electricaloutlets.__ 6. Unplug the system unit and expansion unit power cords from the electricaloutlets.__ 7. Remove or open the front cover. Refer to “Open or remove the front cover”on page 29.__ 8. Remove the back cover if you have one. Refer to “Remove the side andback cover” on page 69.__ 9. Remove the left side cover.__ 10. Remove the right side cover.__ 11. If possible, use a wrist strap to prevent electrostatic discharge fromdamaging your hardware. If you do not have a wrist strap, touch a metalsurface of the system or expansion unit before installing or replacinghardware.If you received the 2209 Disposable Wrist Strap, follow these steps:__ a. Attach the disposable wrist strap. View video.__ b. When you unroll the strap, remove the liner from the copper foil atthe end.__ c. Attach the adhesive part of the copper foil to an exposed, unpaintedmetal surface on the frame of the unit.Note: Follow the same precautions you would use without the wrist strap.The 2209 Disposable Wrist Strap is for static control. It will notincrease or decrease your risk of receiving electric shock when usingor working on electrical equipment.__ 12. For the 820, remove the four screws securing the metal plate located abovethe existing disk unit enclosure. For the 825, remove the four screwssecuring the metal plate located below the existing disk unit enclosure.Keep the four screws. They will be used to secure the disk unit enclosure.__ 13. Find the package that contains the new disk unit enclosure and remove itfrom the static–protective package.__ 14. Attach control cable (part number 24L1761) to location A, attach powercables (part number 04N2920) to locations B and C, and data cable(part number 04N2273) to connector D at the back of the disk unitenclosure.© Copyright IBM Corp. 2000, 2005 61