StorCase Technology S20A114 - Manual (Page 19)

StorCase Technology, Inc. S20A114 User's Guide - Rev. A01
12 Installation
11. Turn ON power to the computer. If the installation has been successful, and all cables
have been properly attached, the system should boot normally. Although the
computer may not recognize the DE75 yet, the appropriate front panel LED indicators
on the front panel should illuminate. If the system does not boot properly, there could
be a SCSI ID conflict. Refer to the following section Selecting the Unit ID Number.
NOTE: The lock on the DE75 receiving frame functions as a lock and a DC power
switch for the carrier unit. The lock must be engaged (turned counter-
clockwise) in order to supply power to the carrier and installed drive unit.
12. The new drive may need to be formatted or initialized prior to use with the operating
system and applications software. Additionally, an appropriate driver may need to
be installed for the host controller to recognize the newly installed device. Refer to
the drive and/or computer manufacturer's documentation for formatting information.
Refer to the host controller instructions for driver information.
Selecting the Unit ID Number
Each SCSI device on the computer system requires a separate SCSI ID number.
16-bit SCSI interface protocol permits 16 (0-15) unique SCSI ID numbers. Usually, ID7 is
reserved for the host controller. If the computer system has any internal or external SCSI
devices, some ID numbers may already be reserved. For instance, if the computer system
is already equipped with an internal SCSI hard drive, the drive may be designated as SCSI
device "0". Refer to the computer system documentation for additional information.
1. Verify that power is turned on to the DE75 receiving frame by turning on the computer
or external expansion chassis. A number should appear in the unit ID display window
if the carrier is locked into place.
2. Unlock the DE75 carrier from the receiving frame. The unit ID number will begin flashing,
indicating that the drive is spinning down. DO NOT REMOVE THE CARRIER FROM THE
RECEIVING FRAME WHILE THE UNIT ID NUMBER IS FLASHING. The length of time that
the unit ID number flashes is controlled by a small timing switch located on the side of
the receiving frame. Refer to Figure 10 for information on adjusting the timer.
WARNING: Unlocking the carrier unit switches DC power off to the drive. Since drives
require a short amount of time to spin down, allow at least 15 seconds
before pulling the carrier unit out of the receiving frame to avoid possible
damage to the drive.
3. A "u" will be displayed once the drive has completed spin down and is ready to be
removed from the receiving frame. The indicator will return to the SCSI ID number when
the carrier is removed from the receiving frame.
4. Use the alignment tool supplied with the DE75 to select the ID number of the disk drive.
Refer to Figure 9 for the location of the unit ID select switch inside the receiving frame.