Intel SGI Altix 450 - Manual (Page 46)

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1: System Installation
Installing the IRUs in a Rack
This section describes how to install the IRUs that compose an Altix 450 system in a rack. This
section also describes how to remove the IRUs from a rack. You can use the instructions to
rackmount one or more IRUs in a 20U (short) or 42U (tall) Altix rack.
Caution: Always use at least two people when moving, installing, or removing a rackmounted
Altix 450 IRU.
This rackmounting information is found in the following sections:
• “Determining Space Requirements” on page 24
• “Determining Where to Attach Rails in a Rack” on page 25
• “Rackmounting IRUs with Shelf Rails” on page 26
Determining Space Requirements
Table 1-2 specifies the space requirements when rackmounting an IRU in a 19-inch rack.
Table 1-2 IRU Space Requirements
Height (5U) 8.68 inches (22 cm)
Width 17.5 inches (44.45 cm)
Depth 32.5 inches (82.5 cm) with blower attached
Weight ~130 lb (59 kg) max config a
a. Weight will vary slightly depending on the number of blades installed and the amount of DIMMs installed, and
on whether you have one or two disk drives in the IRU.
Required front clearance for IRU 8.25 in. (20.96 cm)
Required rear clearance for IRU 10 in. (25.40 cm)
Required side clearance for IRU No clearance requirement
Required front clearance for rack 48 in. (122 cm)
Required rear clearance for rack 48 in. (122 cm)
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