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3-14 Installation and Service Guide
Disk Drive: Models 380, 390, 39H, and 397
References to the small computer systems interface (SCSI) input/output controller is
abbreviated as SCSI I/O controller in this publication.
Note: Refer to “Handling Static-Sensitive Devices” on page 3-1.
Removal
14.Set the power switches of the attached devices to Off.
15.Set the power switch of the system unit to Off.
16.Disconnect the power cable.
17.Do the “Top Cover” removal procedure on page 3-4.
18.Remove the shipping screw at the rear of the system unit. (The screw retains the disk
drive frame assembly during shipping, and can be discarded after system installation.)
19.Remove the frame assembly.
20.Disconnect the power supply connectors from the drives.
21.Disconnect the internal SCSI cable from the drives using the pull loops.
22.Remove the disk drive from the frame (four screws in each drive).
HookFrame
Assembly
P4 (D)
P3 (C)
SCSI
Cable
Disk
Drives
Models 380, 390, 39H