IBM @Server pSeries 630 6C4, Service Manual

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Acoustical Noise Emissions
The equivalent continuous A-weighted sound pressure level at workstations (emission sound pressure
level at the 1-meter bystander positions) does not exceed 70 dB(A).
Der Geräuschpegel der Einheit ist kleiner oder gleich 70 db(A).
Declared Acoustical Noise Emissions
Product
Configuration
Declared A-Weighted Sound Power Level,
LWAd (B)
Declared A-Weighted Sound Pressure
Level, <LpAm>(dB) at 1 meter Bystander
Position
Operating Idling Operating Idling
6E4 (Deskside) 6.0 5.9 42 41
6C4 (Rack Drawer) 6.1 6.0 44 43
Notes:
1.
LWAd
is the declared (upper limit) sound power level for a random sample of machines. (1B = 10dB)
2.
LpAm
is the mean value of the A-weighted sound pressure level at the 1-meter bystander positions for a random
sample of machines.
3. 7028 Model 6E4 levels apply to the following system configurations: 2 way 1 gigahertz processor, 2 disk drives,
2048 GB of RAM, non-redundant power supply (One power supply, 1 processor fan).
4. 7028 Model 6C4 levels apply to the following hardware configurations: 2 way 1 gigahertz processor, 2 disk drives,
2048 GB of RAM, redundant power supply (Two 645 watt power supplies, 2 processor fans).
5. All measurements made in conformance with ISO 7779 and declared in conformance with ISO 9296.
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Eserver
pSeries 630 Model 6C4 and Model 6E4 Service Guide