Model 820 - Power Supply - P01, P02, And P03; Model 820 - Processor - M03; Model 820 - Processor Regulator - M03 - IBM iSeries 270 Service Manual

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.

Model 820 - Power supply - P01, P02, and P03

For use by authorized service providers.
Use this procedure to remove or replace the power supply - P01, P02, and P03 in the Model 820.
To remove or replace the power supply - P01, P02, and P03:
1. Power supply PN 24L1400 must have the protective cover on connector J4 removed before
installation. Install the protective cover on the part that you are returning.
2. Remove the right side cover. (See "Model 820 - Covers" on page 21.)
3. Are there three power supplies installed in the system?
v Yes: Continue with the next step.
v No: Power down the system before continuing with this procedure. (See "Power on/off the system
and logical partitions" on page 561.)
4. Pull the handle all the way down and towards you.
5. Remove the power supply by sliding it out of the system.
6. Install the new part by sliding the power supply all the way in and then lifting the handle to lock into
place.
This ends the procedure.

Model 820 - Processor - M03

For use by authorized service providers.
Use this procedure to remove or replace the processor - M03 in the Model 820.
Note: The processor regulator is part of the processor card assembly (M03).
To remove or replace the processor - M03:
1. Power off the system. (See "Power on/off the system and logical partitions" on page 561.)
2. Unplug the power cord from the back of the system unit.
3. Remove the left side cover. (See "Model 820 - Covers" on page 21.)
4. Remove the EMC shield by pulling out on the two side latches.
5. Unlatch the processor card and pull it towards you to remove it from the system.
6. If the processor card has memory DIMMs on it you must move the memory DIMMs to the new card by
performing the following:
a. Remove the memory DIMMs from the processor card by pressing down on the latches that are on
opposite ends of the DIMM.
b. Install the memory DIMMs to the new processor card by firmly pressing the DIMM on to the
processor card until it is fully seated.
7. Install the new part by reversing the procedure. Go to "Verify the repair" on page 558.
This ends the procedure.

Model 820 - Processor regulator - M03

For use by authorized service providers.
Use this procedure to remove or replace the processor regulator - M03 in the Model 820.
Analyze hardware problems
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