IBM 560 - Manual (Page 18)

Electrical Specifications
Figure 1-6. Electrical Specifications for the ThinkPad 560/560E
(35 W)
Input Voltage
(V ac) 100–240
Frequency (Hz) 50/60
Input (kVA) 0.132
Range is automatically selected; sine wave input is required.
At maximum configuration.
Acoustical Readings
Figure 1-7. Acoustical Readings for the ThinkPad 560/560E
L
WAd
in bels L
pAm
in dB < L
pA
>
m
in dB
Operate Idle Operate Idle Operate Idle
4.0 3.4 34 30 27 22
Notes:
L
WAd
Is the declared sound power level for the random sample of
machines.
L
pAm
Is the mean value of the A-weighted sound pressure levels at the
operator position (if any) for the random sample of machines.
< L
pA
>
m
Is the mean value of the A-weighted sound pressure levels at the
one-meter position for the random sample of machines.
Operate Shows the value while using the hard disk drive.
All measurements made in accordance with ANSI S12.10 and reported in
conformance with ISO 9296.
1-10 ThinkPad 560/560E System Overview