3-10 Installation and Service Guide
Disk Drive (SCSI-Attached): Models 320, 32E, 32H
Reference to the Small Computer Systems Interface (SCSI) Input/Output controller is
abbreviated as SCSI I/O controller in this publication.
Note: A system may have two SCSI-attached, two bus-attached, or a combination of one
SCSI and one bus-attached drive. For the bus-attached drive, see page 3-8.
Note: Refer to “Handling Static-Sensitive Devices” on page 3-2 before removing or
installing adapters in this system.
Removal 1. Set the power switches of the attached devices to Off.
2. Set the power switch of the system unit to Off.
3. Unplug the power cable.
4. Do the removal procedure in “Rear Cover” on page 3-3.
5. Do the removal procedure in “Top Cover” on page 3-4.
6. Remove the cable from the SCSI adapter card. Leave the other end attached to the drive
or drives.
7. If a front drive is installed, disconnect the power supply connector (P4) from the front
drive or drives.
8. Pull the frame latch forward.
9. If a drive is installed in the rear position, partially pull the frame up and disconnect the
power supply connector (P3) from the rear drive.
10. Remove the frame assembly.
11. Remove the SCSI cable from the disk drive.
12. Remove the disk drive from the frame (four screws in each drive).
Latch
Frame
Assembly P4
P3
SCSI
Cable
Disk Drives