IBM 7026-H80 - RS/6000 - 256 MB RAM Service Manual page 77

Service guide
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Noise Emissions³
With H80 and Primary I/O
Drawer
L
WAd
L
pAm
<L
>
pA
m
Impulsive or prominent discrete
tones
Install/Air Flow Clearance
Service Clearance
1. Inrush currents occur only at initial application of power, no inrush occurs during normal
power off-on cycle.
2. For altitudes above 915 meters, the maximum temperature limit is derated by 1 degree C for
every 137 meters of elevation above 915 meters.
3. See "Noise Emission Notes" on page 64 for definitions of noise emissions positions.
Operating
6.2 bels
N/A
48 dBA
No
Maintenance of proper service clearances should allow proper
air flow.
(See service clearances for the 7014 T00 Rack)
Chapter 1. Reference Information
Idle
6.2 bels
N/A
48 dBA
No
59

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