IBM DS3500, Installation, User'S, And Maintenance Manual

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a. Loosen the four captive screws at the rear of the chassis.
b. Remove the failed midplane from the chassis and insert the replacement midplane.
c. Tighten the four captive screws.
8.
(DS3524 AND EXP3524) Replace the midplane assembly.
a.
Remove the six screws from the sides of the chassis.
b.
Remove the failed midplane from the chassis and insert the replacement midplane.
c. Secure with the six screws.
9. (EXP3512 and EXP3524) Reinstall the ESMs (see “Replacing an ESM” on page 5-37).
10. (DS3512 and DS3524) Reinstall the controllers (see “Installing a controller” on page 5-3).
11. Reinstall the power supplies (see “Replacing an ac power supply” on page 5-21).
12. Reinstall the drives (see “Installing a hard disk drive” on page 5-15).
13. (DS3512 and DS3524) Turn on the storage subsystem (see “Turning on the storage subsystem” on
page 4-2).
Midplane
assembly
Captive
screws
Figure 5-25. Replacing the midplane assembly in a DS3512 or EXP3512
Figure 5-26. Replacing the midplane assembly in a DS3524 or EXP3524
Chapter 5. Replacing components
5-39