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54 Gateway 7450R Server System Manual
5 Install the new control panel board by replacing the three screws you
removed in Step 4.
6 Plug the front panel cables into the appropriate connectors on the control
panel board.
7 Close the case. See “Closing the case” on page 20.
8 Reconnect the power cord and the external peripherals, then turn on the
system.
Replacing the hot-plug backplane
The three drive hot-plug backplane is at the back of the hot-plug drive cage.
The backplane supports as many as three hot-swappable Ultra3 SCSI drives.
To replace the hot-plug backplane assembly:
1 Turn off the system and disconnect the power cord and all external
peripheral devices.
2 Open the case. See “Opening the case” on page 18 and “Preventing static
electricity discharge” on page 17.
3 Disconnect all cables to the hot-plug backplane. Note their locations and
orientations.
4 Remove all hot-plug drives. Be careful to note which drive was in which
slot.
8507328.book Page 54 Thursday, February 15, 2001 11:28 AM