Before Adding a Disk Drive Module
1. Identify the slot for the new disk drive module using the configuration planning
information for your system. There should be a dummy disk drive module in the slot.
You can identify the disk drive modules that will be next to the new disk drive
module by using the Identify function in the SSA service aids. (The appendix for
your system, later in this manual, describes how to use this aid.) You cannot use
the Identify function to identify the dummy disk drive module itself because dummy
disk drive modules do not have lights or serial-number labels.
Important: Before you attempt to remove a dummy disk drive module, ensure that
the SSA loop that contains the dummy is complete. Failure to do this may result in
loss of access to other disk drives.
2. Open the front cover of the unit by gripping the cover at the sides and pivoting the
whole front cover downward.
If the slot for the new disk drive module is in a deskside unit, open the front or back
cover of the unit by:
a. If necessary, unlocking the cover using the key provided.
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7133 Models D40 and T40 Operator Guide
Summary of Contents for 7133 D40
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