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Installing or Replacing Server Components
Replacing a Modular Drive Bay Assembly
This server allows modular configuration of the drive bays, so that you can use one or two drive bays
depending on your needs.
Each drive bay assembly includes the chassis-steel drive bay, the attached drive backplane, and a
transition card (expander or nonexpander version) that provides connection to your RAID controllers
and the motherboard.
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Figure 3-8
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To install or replace the modular drive bay assembly, follow these steps:
Cisco UCS C260 Server Installation and Service Guide
3-14
Each of the two modular chassis drive bays can hold up to eight 2.5-inch drives.
Each drive backplane connects to one transition card. The transition card connects the drive
backplane to the motherboard and connects to cables from your RAID controller.
The transition card is available in two versions:
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Nonexpander—Two internal connections to the RAID controller card are required to control
eight drives. This version includes two connectors for the cables from your RAID controller.
One of the connectors allows control of drives 1 through 4 on the backplane. The other
connector allows control of drives 5 through 8 on the backplane.
Expander—One internal connection to the RAID controller card is required to control eight
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drives. This one connectors allows control of drives 1 through 8 on the backplane.
To use more than eight 2.5-inch drives in the server (up to 16), two drive bay modules are required,
each with its own backplane and transition card.
Drive Bay Assembly and Transition Card (Two Versions)
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Chassis drive bay module (rear view)
Drive backplane
Transition card (non-expander version)
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Transition card securing screws (two)
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Transition card connector to motherboard
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Transition card (expander version)
Chapter 3
Maintaining the Server
OL-24342-01
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