
Feature Description
Size Depth: 450 mm (17.7 inches)
Height: 134 mm (5.3 inches)
Width: 447 mm (17.6 inches)
Weight Weight:  11.3 kg (25 lb)10
Environment Air temperature:
 - System on: 10° to 35°C
(50° to 95°F)
 - System off: 10° to 50°C
(50° to 122°F)
Humidity:
 - System on: 8% to 80%
 - System off: 8% to 80%
Maximum altitude: 3048  m (10,000 ft)
Heat Output Approximate heat output in BTUs per
hour:
 - Minimum: 245 BTU (70 watts)
 - Maximum: 700 BTU (204 watts)11
Electrical Input Sine-wave input (47 to 63 Hz) required.
Low range input voltage:
 - Minimum: 90 V ac
 - Maximum: 137 V ac
High range input voltage:
 - Minimum: 180 V ac
 - Maximum: 265 V ac
Input kVA (approximately):
 - Maximum (as shipped): 0.08 kVA
Airflow Approximately 0.56 cubic
meters/minute (20 CFM)
Acoustical
Noise Emission
Values
Average sound pressure levels:
At operator position:
 - 41 dB operating
 - 34 dB idle
At bystander position (1 meter):
 - 34 dB operating
 - 29 dB idle
Declared (upper limit) sound power
levels:
 - 5.0 bels operating
 - 4.5 bels idle
10 Maximum configuration weight depends on options  installed.
Figures above are a system fully populated  with options.
11 Maximum power and heat specifications are  based on the
145-watt maximum capacity of the system power  supply.
12 For additional information, see the 
ISO Supplier's Declaration
available from IBM.
244 IBM PC 300/IntelliStation Vol 3 HMM