IBM 81Y Computer Hardware User Manual


 
4 Hardware Maintenance Manual: xSeries 250
Maximum: Four
Three for redundancy
Redundant cooling:
Four hot-swap fan assemblies
Video:
S3 video controller
Compatible with SVGA and VGA
4 MB video memory
Size
Height: 356 mm (14 in.)
Depth: 650 mm (25.6 in.)
Width: 440 mm (17.3 in.)
Weight: 34.4 kg (76 lb.) to 61 kg (134 lb.) depending upon configuration
Integrated functions:
Advanced System Management processor
Dual Ultra-2 (LVD) SCSI controller, one external port, one internal port
One 10BASE-T/100BASE-TX AMD Ethernet controller
—Two serial ports
One parallel port
Two Universal Serial Bus ports
Keyboard port
Mouse port
Video port
One management port
Two Advanced System Management Interconnect ports
Acoustical noise emissions:
Sound power, idling: 6.3 bel maximum
Sound power, operating: 6.3 bel maximum
Sound pressure, idle: 49 dBa maximum
Sound pressure, operating: 49 dBa maximum
Environment:
Air temperature:
Server on: 10º to 35º C (50º to 95º F). Altitude: 0 to 914 m (3000 ft.)
Server on: 10º to 32º C (50º to 89.6º F). Altitude: 914 m (3000 ft.) to 2133 m
(7000 ft.)
Server off: 10º to 43º C (50º to 110º F). Maximum altitude: 2133 m (7000 ft.)
Humidity:
Server on: 8% to 80%
Server off: 8% to 80%
Heat output:
Approximate heat output in British Thermal Units (BTU) per hour:
Minimum configuration:1023.9 BTU
Maximum configuration: 2764.6 BTU
Electrical input:
Sine-wave input (50-60 Hz) required
Input voltage low range:
Minimum: 90 V ac
Maximum: 137 V ac