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9. Advanced Chipkill ECC memory controller corrects single, two-, three-, and four-bit memory errors. Memory options are four-way interleaved. Thirty-two sockets are provided in standardmodels,eight of which are populated with 512MB RDIMMs (four in each SMP Expansion Module).10. Two 1050w, voltage-sensing, hot-swap power supplies that support N+1 redundancy on full configurations are standard.11. Advanced system management is provided by a standard Remote Supervisor Adapter installed in a dedicated PCI slot, which allows six optional PCI adapters to be installed.12. Variable read rate. Actual playback speed will vary and is often less than the maximum possible.13. Support for an additional 12 64-bit slots available through installation of the optional RXE-100 Remote Expansion Unit. Refer to x440 I/O Options or the RXE-100 section for moreinformation. RXE-100 support for 16-way x440 is delayed until late 1Q03.14. Availability in the U.S. is limited to the Large Enterprise Direct (LED) program or through EXAct Business Partner program members.15. Upgrading this system to enable 16-way configuration requires either 4-way to 16-way Enablement Kit (P/N 73P8734) or 8-way to 16-way Enablement Kit (73P8735).xSeries 440 ProcessorsPartNumberProcessor Upgrades 1SMPSupport 2Processor Speed/Cache Upgrade 359P5171 xSeries 1.5GHz/400MHz-1MB L3 Cache with Xeon Processor MP 4RX 3RY, 4RY59P5172 xSeries 1.9GHz/400MHz-1MB L3 Cache with Xeon Processor MP 5RX, 6RX 4RX, 3RY, 4RY59P5173 xSeries 2GHz/400MHz-2MB L3 Cache with Xeon Processor MP 7RX 5RX, 6RX, 3RY, 4RY59P5188 xSeries SMP Expansion Module 4 4 ... 7RX 3RY, 4RY71P7919 xSeries SMP Expansion Module with Dual Xeon Processors 2.4GHz/512KB 5 3RY -73P8734 4-way to 16-way Enablement Kit - 4 ... 7RX73P8735 8-way to 16-way Enablement Kit - 4 ... 7RX1. IBM xSeries 440 architecture optimizes memory and bus performance using an XA-32 core chipset with up to two CPU/memory cards and two PCI-X host-bridge controllers. Up to eightPentium Xeon MP processors are supported. The recommended order of processor installation is shown in the accompanying diagrams (not applicable for models 3RY and 4RY, whichsupport two processors only in each SMP Expansion Module installed in the two sockets located adjacent to the memory ports). In models 4RX and 5RX, two processors are standard withadditional support for either two optional processors (total of four) or six optional processors (total of eight). In models 6RX and 7RX, four processors are standard and four additionalprocessors and an SMP module are required when upgrading. Eight processors require an xSeries SMP Expansion Module. Models 2RY and 3RY are limited to two Xeon processors in eachSMP Expansion Module, but can be upgraded by replacing the standard processors with Xeon MP processors.2. A maximum of eight processors may be installed. All processors must be identical in type, speed and cache size. The fifth through eighth processors require an xSeries SMP ExpansionModule prepopulated with four processors (second SMP Expansion Module supported only when fully populated).3. Requires removal of standard processors. A maximum of eight processors may be installed. Installation of greater than four processors requires the addition of an xSeries SMP ExpansionModule. All processors must be identical in type, speed and cache size. Upgrades may require a BIOS update. To obtain the latest Flash BIOS, access www.pc.ibm.com/support and entermachine "Type-Model" in Quick Path. Select "Downloadable files" then "BIOS."4. The fifth through eighth processors for models 4 ... 7RX require this option, which installs directly above the standard CPU/memory board. Two 250mm/10in scalability cables(P/N 24P1243) are included with the option. See SMP Expansion Module cabling diagrams below for scalability cabling configuration. Four CPUs are required with the optional SMPExpansion Module for models 4 ... 7RX. A minimum of four RDIMMs installed in each SMP Expansion Module are required (not included). Memory mirroring requires a minimum of eightRDIMMs in each SMP Expansion Module. This option is not compatible with models 3RY and 4RY. Models 1VX, 2VX and 3VX include two standard SMP Expansion Modules in each chassisfully populated with a total of 16 processors (four in each of two SMP Expansion Modules for a total of eight in each chassis), one 250mm scalability cable (P/N 24P1243), two 2.5m scalabilitycables (P/N 73P6290), and an Ethernet crossover cable (used only in the absence of network connections for both chassis’).5. Required to upgrade 3RY from two to the maximum of four Xeon processors. Memory options are not included. Both models 3RY and 4RY can be upgraded by replacing the standardprocessors with Xeon MP processors. The same SMP Expansion Module is used, which supports up to four Xeon MP processors.IBM xSeries 440Updated 05/13/03For the latest product & technical information, refer to the Information Sources on pages 2 & 3.115