IBM 689912U Hardware Maintenance Manual - Page 186
Specifications Type 6561
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Specifications Type 6561 Feature Size Weight Environment Heat Output Electrical Input Airflow Acoustical Noise Emission Values Description Depth: 450 mm (17.8 in.) Height: 128 mm (5.0 in.) Width: 450 mm (17.7 in.) Minimum: 9.9 kg (22.0 lb) Maximum: 11.3 kg (25.0 lb)25 Air temperature: - System on: 10° to 32° C (50° to 90°F) - System off: 10° to 43° C (50° to 110°F) Humidity: - System on: 8% to 80% - System off: 8% to 80% Maximum altitude: 2134 m (7000 ft) Approximate heat output in BTUs per hour: - Minimum: 170 BTU (50 watts) - Maximum: 700 BTU (204 watts)26 Sine-wave input (50 to 60 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): - Minimum: 0.11 kVA - Maximum: 0.52 kVA Approximately 0.56 cubic meters/minute (20 CFM) Average sound pressure levels: At operator position: - 38 dB operating - 34 dB idle At bystander position (1 meter): - 33 dB operating - 28 dB idle Declared (upper limit) sound power levels: - 4.9 bels operating - 4.6 bels idle 25 Maximum configuration weight depends on options installed. Figures above are a system fully populated with options. 26 Maximum power and heat specifications are based on the 145-watt maximum capacity of the system power supply. 27 For additional information, see the ISO Supplier's Declaration available from IBM. 176 IBM PC 300/700, IntelliStation Series HMM