2 IBM® xSeries 220: Installation GuideFeatures and specificationsTable 1 provides a summary of the features and specifications for your xSeries 220server.*KB equals approximately 1000 bytes. MB equals approximately 1000000 bytes. GBequals approximately 1000000000 bytes.Microprocessor:• Intel® Pentium® IIImicroprocessor with MMX™technology and SIMDextensions• 256 KB* ECC, level-2 cache(min.)• 133 MHz front-side bus (FSB)• Support for up to twomicroprocessorsMemory:• Standard: 128 MB*• Maximum: 4 GB*• Type: 133 MHz, ECC, SDRAM,registered DIMMs• Slots: 4 dual in-lineDrives standard:• Diskette: 1.44 MB• CD-ROM: 48X IDE• Supports hot-swap SCSI harddisk drives (some models)Expansion bays:• Two 5.25-in. bays (one CD-ROMdrive installed)• Two 3.5-in. bays (one diskettedrive installed)• Three 3.5-in. slim bays availablein drive cage (some modelshave a hard disk drive installed)PCI expansion slots:• Three 33 MHz/64-bit• Two 33 MHz/32-bitPower supply:One 330 watt autosensing (115-230 Vac)Video:• S3 video controller (integratedon system board)• Compatible with SVGA andVGA• 8 MB SDRAM video memorySize:• Height: 470 mm (18.5 in.)• Depth: 508 mm (20 in.)• Width: 165 mm (6.5 in.)• Weight: approximately 19.5 Kg(43 lb.) when fully configuredor 15.9 Kg (35 lb.) minimumIntegrated functions:• Ultra160 SCSI low voltagedifferential (LVD) controller• One 10BASE-T/100BASE-TXIntel Ethernet controller on thesystem board• Two serial ports• Parallel port• Two Universal Serial Bus(USB) ports• Keyboard port• Mouse port• IDE controller port• Video portAcoustical noise emissions:• Sound power, idling: 5.9 belmaximum• Sound power, operating: 6.1bel maximumEnvironment:• Air temperature:— Server on: 10º to 35º C (50.0ºto 95.0º F). Altitude: 0 to 914m (2998.7 ft)— Server on: 10º to 32º C (50.0ºto 89.6º F). Altitude: 914 m(2998.7 ft) to 2133 m (6998.0ft)— Server off: 10º to 43º C (50.0ºto 109.4º F). Maximumaltitude: 2133 m (6998.0 ft)• Humidity:— Server on: 8% to 80%— Server off: 8% to 80%Heat output:Approximate heat output in Britishthermal units (Btu) per hour• Minimum configuration: 341 Btu(100 watts)• Maximum configuration: 1604Btu (470 watts)Electrical input:• Sine-wave input (50-60 Hz)required• Input voltage low range:— Minimum: 100 V ac— Maximum: 127 V ac• Input voltage high range:— Minimum: 200 V ac— Maximum: 240 V ac• Input kilovolt-amperes (kVA),approximately:— Minimum: 0.08 kVA— Maximum: 0.52 kVATable 1. Features and specifications