24
Chapter 1
System Overview
Specifications and Characteristics Data
Operating temperature and humidity ranges may vary depending upon the mass storage devices
installed. High humidity levels can cause improper operation of disk drives. Low humidity levels
can aggravate static electricity problems and cause excessive wear of the disk surface.
Table 1-5. Power Consumption
Power Mode
Power Consumption
Operating
85 W (average)
Idle
75 W (average)
Off
6.5 W (average)
Table 1-6. Environmental Specifications
Environmental Specifications (System Processing Unit, with Hard Disk)
Operating Temperature
+5˚C to +40˚ (+40˚F to +104˚F)
Storage Temperature
−
40˚C to +70˚C (
−
40˚F to +158˚F)
Over Temperature Shutdown
+50˚C (+122˚F)
Operating Humidity
15% to 80% (relative)
1
Storage Humidity
8% to 80% (relative)
1
Acoustic noise emission:
Sound power – with 10.0krpm SCSI hard disk drive
(as defined by ISO 7779)
LwA < 50 db
Operating Altitude
10000 ft (3100m) max
Storage Altitude
15000 ft (4600m) max
1. Non-condensing conditions
Summary of Contents for X Class 500/550MHz
Page 6: ...6 Contents ...
Page 8: ...8 Figures ...
Page 15: ...15 1 System Overview ...
Page 66: ...66 Chapter2 System Board Devices on the ISA Bus ...
Page 96: ...96 Chapter3 Interface Boards and Mass Storage Drivers Connectors and Sockets ...
Page 134: ...134 Chapter5 Tests and Error Messages Beep Codes ...
Page 135: ...135 A Regulatory Information and Warranty ...
Page 146: ...146 AppendixA Regulatory Information and Warranty HP Hardware Warranty ...