Table 1. Features and specificationsMicroprocessor:v Intel ® Xeon ® multi-core microprocessorwith 8 MB Level-2 cachev 1066 MHz front-side bus (FSB)v Single node minimum: Onemicroprocessor per corev Multi-node minimum: Onemicroprocessor per core in each nodev Support for up to four microprocessorsNote: Use the Configuration/Setup Utilityprogram to determine the type and speedof the microprocessors.Memory:v Single-node minimum: 2 GB dependingon server model, expandable to 256 GBv Multi-node minimum: 4 GB in node 1and 2 GB in all other modes expandableto a total of 1 TBv Type: Registered, ECC, PC2-5300double data rate (DDR) II, SDRAMv Sizes: 1 GB, 2 GB, 4 GB or 8 GB (whenavailable) in pairsv Connectors: Two-way interleaved, eightdual inline memory module (DIMM)connectors per memory cardv Maximum: Four memory cards, eachcard containing four pairs of PC2-5300DDR II DIMMsDrives:v Slim DVD-ROM: IDE and SATA (optionalin some models)v Serial Attached SCSI (SAS) hard diskdrivesExpansion bays:v Four SAS, 2.5-inch baysv One 12.7 mm removable-media drivebay (DVD drive installed, standard onsome models only)Expansion slots:Seven PCI Express x8 (half-length) slots:v Five non-hot-swapv Two hot-swapUpgradeable microcode:System BIOS, FPGA, diagnostics, serviceprocessor, BMC, and SAS microcodePower supply:v Standard: One or two dual-rated powersupplies, depending on the model– 1440 watts at 220 V ac input– 720 watts at 110 V ac inputv Hot-swappable and redundant at 220 Vac, only with two power suppliesv If the server is operating at 110 V ac, asecond power supply must be installedto maintain a fully functional server.Size:v 4Uv Height: 128.35 mm (5.05 in.)v Depth: 715 mm (28.15 in.)v Width: 440 mm (17.32 in.)v Weight: approximately 43.1 kg (95 lb)when fully configured or 31.75 kg (70lb) minimumIntegrated functions:v Baseboard management controllerv IBM EXA-4 chip set with integratedmemory and I/O controllerv Remote Supervisor Adapter IIv Light path diagnosticsv Six Universal Serial Bus (USB) ports(2.0)– Three on rear of server– Two on front of server– One internalv Broadcom 5709 dual 10/100/1000Gigabit Ethernet controllerv ATI RN50 video– 16 MB video memory– SVGA compatiblev Serial-attached SCSI (SAS) controllerwith RAID capabilitiesv Support for ServeRAID-MR10k SAScontrollerv Serial connectorv SMP Expansion PortsAcoustical noise emissions:v Sound power, idle: 6.6 bel declaredv Sound power, operating: 6.6 beldeclaredEnvironment:v Air temperature:– Server on:- 10° to 35°C (50° to 95°F); altitude:0 to 914 m (3000 ft). If the serverhas a dual-core microprocessor, atmaximum power reduce the 35°Cby 1°C per 300 m above sea level,or the microprocessor might throttleto remain within the internal thermalspecifications.- 10° to 32°C (50° to 90°F); altitude:914 m to 2133 m (7000 ft).– Server off: 10° to 43°C (50.0° to109.4°F); maximum altitude: 2133 m(6998.0 ft)v Humidity:– Server on: 8% to 80%– Server off: 8% to 80%v Particulate contamination:Attention: Airborne particulates andreactive gases acting alone or incombination with other environmentalfactors such as humidity or temperaturemight pose a risk to the server. Forinformation about the limits forparticulates and gases, see “Particulatecontamination” on page 81.Heat output:Approximate heat output:v Minimum configuration: 1297 Btu (380watts) per hourv Typical configuration: 2730 Btu (800watts) per hourv Maximum configuration:– 5527 Btu per hour (1620 watts) at 110V ac– 5425 Btu per hour (1590 watts) at 220V acElectrical input:v Sine-wave input (50 - 60 Hz) requiredv Input voltage low range:– Minimum: 100 V ac– Maximum: 127 V acv Input voltage high range:– Minimum: 200 V ac– Maximum: 240 V acv Approximate input kilovolt-amperes (kVA):– Minimum: 0.39 kVA– Typical: 0.8 kVA– Maximum: 1.65 kVAChapter 1. The System x3850 M2 and System x3950 M2 server 5