Models 270, 800, And 810 - Memory; Memory - A Through H; Memory On The Riser - IBM iSeries 270 Service Manual

v No: Continue with the next step.
v Yes: Replace the covers that were removed during this procedure and return to the procedure that
sent you here.
This ends the procedure.
5. To Install a disk unit using dedicated maintenance, perform the following:
a. Power off the system. See Power on/off the system and logical partitions.
b. Disconnect the power cord. On Models 270, 800, and 810 with a system unit expansion attached,
disconnect both the system line cord and the expansion unit line cord.
c. Put the disk unit part way into the desired slot and rotate the handle of the disk unit towards you.
d. Push the disk unit completely into the slot and rotate the handle towards the disk unit to latch it into
the slot.
e. Replace the covers that were removed during this procedure and return to the procedure that sent
you here.
This ends the procedure.

Models 270, 800, and 810 - Memory

For use by authorized service providers.
Choose the appropriate memory procedure:
v "Memory - A through H"
v "Memory on the riser"
Memory - A through H: Use this procedure to remove or install memory - A through H on the Models
270, 800, and 810.
The Models 270, 800, and 810 may be housed in a FC 0551 frame. The upper and lower system units are
placed on rails in the frame. If you are working on the upper or lower unit, follow these instructions and
access the internal parts by opening the front cover and sliding the system unit out on its rails.
To remove or replace memory - A through H:
1. Power off the system. See Power on/off the system and logical partitions.
2. Unplug the power cord from the back of the system. On Models 270, 800, and 810 with a system unit
expansion attached, disconnect both the system line cord and the expansion unit line cord.
3. Remove the left side cover. See Models 270, 800, and 810 - Covers.
4. Remove the DIMM from the system backplane.
5. Reverse this procedure to install Memory - A through H.
This ends the procedure.
Memory on the riser: Use this procedure to remove or replace memory in the Models 270 and 810.
To remove or replace memory:
1. Power off the system. See Power on/off the system and logical partitions.
2. Unplug the power cord from the back of the system unit.
3. Remove the left side cover. See Models 270, 800, and 810 - Covers.
4. Remove the EMC shield by pulling out the two side latches.
5. Remove the memory riser card by unlatching the two side latches.
6. Remove the memory DIMMs from the processor or memory riser card by pressing down on the latches
that are on each end of the DIMM.
7. If you are replacing the memory riser card, then you must move the memory DIMMs to the new card.
8. Install the new memory DIMMs by firmly pressing the DIMM on to the riser card until it is fully seated.
This ends the procedure.
12
Hardware (Remove and Replace; Part Locations and Listings)