IBM Small J10 Series, Manual

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Chapter 2. System overview
This section is an overview of the IBM COS Small Disk Enclosure that looks at the front, top, and rear
panels.
Small disk enclosure
The disk enclosure consists of a sheet metal enclosure assembly with an integrated mid plane PCB and
module runner system.
• The disk enclosure has a 19 inch rack mounting that enables it to be installed on to standard 19 inch
racks, and uses either four EIA units of rack space , or two EIA units of rack space (3.5 inches) for a 2U
enclosure respectively.
• The mid plane PCB has 12 drive connections.
• There 12 drive bays at the front of the enclosure, in horizontal. Each drive bay holds a plug-in drive
carrier module
Figure 1. IBM COS 2U12 Disk Enclosure
Enclosure configuration
The IBM COS Small Disk Enclosure supports 2U (rack space) disk drive enclosure that holds 12 low profile
(1 inch high), 3.5 inch form factor drives in a horizontal orientation - see the figures below.
Note: Each individual disk drive is hot pluggable and replaceable on site.
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