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Appendix A
System Specifications and Requirements
System Specifications
54
To illustrate how to use Table A-5, let us assume that we have a single chassis server loaded with 10 HP
server bc1100 blades, one network blade, one management blade, and two management LAN blades.
Table A-6 indicates that 0.167 tons of air conditioning is required for this server example.
Table A-6 Power Dissipation and Air Conditioning Requirement Example
Component Quantity
Multiply Qty.
by Watts value
then divide
total Watts by
0.7
a
a. For example, if you have two bc1100 blades the calculation for this would be: (2 x
23.6 Watts)/0.7 = 67.43 Watts
Power
Dissipated
(expressed in
kilowatts)
Air
Conditioning
Required
(expressed in
tons)
b
b. Air Conditioning Required = kilowatts/3.517 = tons needed
Chassis 1 Watts = 0 Watts = 0 0.0
HP Server
bc1100
10 337.14 0.337 0.096
Network Blade 1 21.43 0.021 0.006
Management
Blade
2 26.57 0.027 0.008
Management
LAN Blade
2 0.286 0.0003 0.0001
Power Supply 2 Accounted for Accounted for Accounted for
Totals N/A N/A 0.385 0.11