Now in its fifth generation, IBM X-Architecture continues to build on its deep partnership with Intel and a decade ofx86 innovations to provide unparalleled configuration choice,mainframe-inspired reliability, comprehensive systems management and an energy-smart design. With the ability to help you maximize memory, minimize costs and simplify deployment and ownership, eX5 can help you get the greatest value for your organization today and in the future.

1. Enterprise X-Architecture 5 th Generation Systems for a Smarter Planet Technical Presentation March 30, 2010

3. Client Challenges and eX5 Opportunity

7. Maximize Memory Minimize Cost Simplify Deployment The broadest portfolio of systems optimized for your most demanding workloads

9. eX5 Systems Overview

10. eX5 leadership for an evolving marketplace with increasing demands 1 st Gen: First x86 server with scalable 16 processor design 2 nd Gen: First x86 server with 100 #1 Benchmarks 3 rd Gen: First x86 server with Hot-swap memory 4 th Gen: First x86 server to break 1 Million tpmC 5 th Gen: Breakthrough performance, ultimate flexibility, simpler management 2010 5th Generation 2003 2nd Generation 2005 3rd Generation 2007 4th Generation 2001 1st Generation

11. eX5 Portfolio — Systems for a Smarter Planet Broad coverage for most enterprise applications, server consolidation, virtualized workload enablement. 4U / 4-Way Scalable Powerful and scalable system allows some workloads to migrate onto 2-socket design that delivers enterprise computing in a dense package Demand for minimum footprint as well as integrated networking infrastructure has increased the growth of the blade form factor. BladeCenter HX5 System x3690 X5 Consolidation, virtualization, and database workloads being migrated off of proprietary hardware are demanding more addressability System x3850 X5

13. (2x) 1975W Rear Access Hot Swap, Redundant P/S (4x) Intel Xeon CPU’s (8x) Memory Cards for 64 DIMMs – 8 1066MHz DDR3 DIMMs per card 6x - PCIe Gen2 Slots (+2 additional) 2x 60mm Hot Swap Fans (8x) Gen2 2.5” Drives or 2 eXFlash packs (2x) 120mm Hot Swap Fans Dual USB Light Path Diagnostics RAID (0/1) standard, RAID 5/6 Optional DVD Drive 2x 10Gb Ethernet Adapter x3850 X5: 4-socket 4U x86 (Nehalem EX) platform

17. (1x) x16 (full height, full length or (2x) x8 (1 full size, 1 full height / half length) (2x) PCIe x8 Low Profile (1x) PCIe x4 Low Profile for RAID (4x) N+N 675W Rear Access Hot Swap Redundant P/S (16x) Gen2 2.5” Drives or 3 eXFlash packs Scaling ports 32 x DDR3 Memory DIMMs 16 in upper mezzanine (pictured) 16 below 8x Memory Buffers (4x) 60mm Hot Swap Fans Dual USB Light Path Diagnostics DVD Drive x3690 X5: 2-socket 2U (Nehalem EX) platform

22. eX5 System Details

26. x3850 X5

27. x3850 X5: 4-socket 4U x86 (Nehalem EX) platform 6 Fans 2x – 1975 W P/S (2x) 1975W Rear Access Hot Swap, Redundant P/S (4x) Intel Xeon EX CPU’s (8x) Memory Cards – 8 DDR3 DIMMs per card 7x - PCIe Gen2 Slots 2x 60mm Hot Swap Fans (8x) Gen2 2.5” Drives or (16x) 1.8” SSD Drives (2x) 120mm Hot Swap Fans Dual USB DVD Drive Light Path Diagnostics RAID (0/1) Card, RAID 5/6 Optional 4U Rack Mechanical Chassis Front view

28. x3850 X5: 4-socket 4U x86 (Nehalem EX) platform QPI cables (2x) 1975W Rear Access Hot Swap, Redundant P/S w/120mm fan (4x) PCIe full length (3x) PCIe half length x8 Dual Backplane – SAS & SSD Redundant w/220VAC only 4U Rack Mechanical Chassis Rear view

29. System Images – Interior PS1 PS2 Boxborro 2 Boxborro1 M5015 RAID HS Fan Pack PCIe x16 PCIe x4 PCIe x8 PCIe x8 PCIe x8 PCIe x8 PCIe x8 USB System Recovery Jumpers CPU1 CPU2 CPU3 CPU4 Slot 7 Slot 6 Slot 5 Slot 4 Slot 3 Slot 2 Slot 1 Mem Card 1 Mem Card 2 Mem Card 3 Mem Card 4 Mem Card 5 Mem Card 6 Mem Card 7 Mem Card 8 SAS Backplanes + HDD Cage

30. x3850 X5 Memory Card Current : x3850/x3950 M2 Memory Card New : x3850/x3950 X5 Memory Card Specifications : 64 DDR3 DIMMs 32 buses @ 1066M 2 DIMMs per bus SMI (FBD2) 16 buses Each @ 6.4GT/s (2B Rd/1B Wr) PC3-10600R LP DIMMs 1GB, x8, 1R, 1Gb 2GB, x8, 2R, 1Gb PC3-8500R LP DIMMs 4GB, x8, 4R, 1Gb 8GB, x8, 4R, 2Gb 16GB, x4, 4R, 2Gb

31. System Images – Chassis View Front Access 120mm fans Rear I/O Shutttle Rear Access HS PSUs - lift up on handle then pull out QPI Scalability Ports / Cables

32. System Images – CPU and Memory Memory Cards CPU and Heatsink installation

33. System Images – Options M1015 RAID card and Installation bracket 8 HDD SAS Backplane

36. x3850M2 to x3850X5 Transition Subsystem x3850M2 x3850 X5 PSU 1440W hot swap, full redundancy HIGH line, 720W low line. Rear Access. No PS option, 2 std. 1975W hot swap, full redundancy HIGH line, 875W low line. Rear Access. No PS option, 2 std. Config restrictions at 110V. CPU Card No VRDs, 4 VRMs, Top access to CPU/VRM and CPU card No VRMs, 4 VRDs, Top access to CPUs and CPU card Memory 4 Memory cards, DDR2 PC2-5300 running at 533Mbs. 8 DIMMs per memory card (32 DIMMs per chassis max) 8 Memory cards, DDR3 PC3-10600 running at 1066Mbs. 8 DIMMs per memory card (64 DIMMs per chassis max) PCIe Board CalIOC2 2.0, Slots = 7@2.5Gb PCIE x8, slots 6-7 hot plug Boxboro EX, Slots = 7@5GHz Slot1 x16, Slot2 x4, Slots 3-7 x8 No hotswap. SAS Controller LSI Logic 1078 w/RAID1 (no key), Elliott Key for RAID5, SAS 4x external port Ruskin IR or Fareham MR adapter Battery option for Fareham Ethernet Controller BCM 5709 Dual Gigabit Ethernet PCIE x4 attach to Southbridge BCM 5709 Dual Gigabit Ethernet PCIE x4 Gen2 attach to Boxboro Dual 10Gb Emulex adapter in PCIe Slot 7 on some models Video Controller ATI RN50 on RSA2, 16MB Matrox G200 in IMM, 16MB Service Processor RSA2 standard Maxim VSC452 Integrated BMC (IMM) SAS Design Four 2.5 Inch internal + 4x external Eight 2.5 Inch internal Support for SATA, SSD USB, SuperIO Design ICH7, 5 external ports, 1 internal, No SuperIO, embedded 512M key, No PS2 Kb/Ms, No FDD controller ICH10, 6 external ports, 2 internal, No SuperIO, embedded 512M key, No PS2 Kb/Ms, No FDD controller Fans 4 x 120mm, 2 x 92mm, 8 total (2 x 80mm in Power supplies) 2 x 120mm, 2 x 60mm, 6 total 2 x 120mm in Power Supplies

37. x3850 X5 configuration flexibility Base System Shipping today Memory Expansion with MAX5 via QPI Shipping today Native Scaling via QPI Shipping today Memory Expansion and Scaling with MAX5 via QPI and EXA Available 2011

38. Xeon 8-socket interconnect block diagram QPI Cable Links for QPI bus Four QPI cables 1 2 4 3 3 4 2 1 QPI 3 0 3 0 2 2 0 0 2 2 2 2 2 0 0 2 3 3 3 3 1 3 3 1 Cable cross connects CPUs 2 and 3

39. x3850 X5 with native QPI scaling Connects directly via QPI bus QPI Cables Intel Xeon Intel Xeon MB1 MB1 MB1 MB1 MB1 MB1 MB1 MB1 Intel Xeon MB1 MB1 MB1 MB1 MB1 MB1 MB1 MB1 Intel Xeon Intel Boxboro PCI-E Intel Boxboro PCI-E Intel Xeon Intel Xeon MB1 MB1 MB1 MB1 MB1 MB1 MB1 MB1 Intel Xeon MB1 MB1 MB1 MB1 MB1 MB1 MB1 MB1 Intel Xeon Intel Boxboro PCI-E Intel Boxboro PCI-E

40. x3850 8-socket QPI scaling A D B C REAR VIEW OF CHASSIS QPI 1-2 QPI 3-4 x3850 #1 QPI 1-2 QPI 3-4 x3850 #2

41. x3850 X5 with MAX5 using QPI Intel Xeon Intel Xeon MB1 MB1 MB1 MB1 MB1 MB1 MB1 MB1 Intel Xeon MB1 MB1 MB1 MB1 MB1 MB1 MB1 MB1 Intel Xeon Intel Boxboro PCI-E Intel Boxboro PCI-E MAX5 MB1 MB1 MB1 MB1 MB1 MB1 MB1 MB1 Connects directly to each CPU via QPI bus 6.4 GT/s MB1 MB2 1 3 8 6 2 4 7 5 DDR3 Memory DIMMs Memory Buffer SMI Link to Firehawk EXA port

42. x3850 X5 to MAX5 QPI cabling eX5 Memory Drawer End x3850 X5 End

43. 8-socket x3850 X5 with MAX5 using QPI and EXA Connects directly to each CPU via QPI bus 6.4 GT/s Connects via EXA

44. eX5 Rack Memory Expansion Module Configurations 1G x3850 X5 4U (2) x16, (10) x8, (2) x4 (1) x16, (5) x8, (1) x4 (2) x16, (10) x8, (2) x4 (1) x16, (5) x8, (1) x4 PCI-E Slots 8 No QPI 96 4 5u 1G + 1D 2G + 2D 2G 1G Configuration 4S No No Partition EXA QPI None Scaling 8 192 8 10u 5 128 8 8u 8 64 4 4u Processor SKUs Supported DIMMS CPU’s Size 1G+1D x3950 X5 4U Memory Drawer 1U QPI 2G+2D Memory Drawer 1U Memory Drawer 1U x3950 X5 4U x3950 X5 4U QPI QPI EXA 2G x3850 X5 4U x3850 X5 4U QPI

47. x3850 X5 PCIe Slot Population Plug one PCIe card / Boxboro before moving to next set of slots Card # PCIe Slot # 1 1 2 5 3 3 4 6 5 4 6 7 7 2

53. x3690 X5

54. (1x) x16 (full height, full length or (2x) x8 (1 full size, 1 full height / half length) (2x) PCIe x8 Low Profile (4x) N+N 675W Rear Access Hot Swap Redundant P/S (16x) Gen2 2.5” Drives or (24x) 1.8” SSD Drives 2 Scalability cables for eX5 Memory Expansion (16x) DDR3 Memory DIMMs Upper mezzanine 8x Intel Memory Buffers (BoB’s) Intel Nehelam EX processor details, staired heat sinks x3690 X5: 2-socket 2U platform 2U Rack Mechanical Chassis Top view Maximum performance, maximum memory for virtualization and database applications

55. QPI Cable cage (2x) 1Gb Ethernet (2 std, 2 optional) x3690 X5: 2-socket 2U platform 2U Rack Mechanical Chassis Rear view Maximum performance, maximum memory for virtualization and database applications

58. x3690 X5 – Inside, No Memory Mezzanine (2x) Intel Xeon EX CPU’s Memory Mezzanine Connectors (16x) DDR3 Memory DIMMs Base Planar (4x) Intel Memory Buffers (BoB’s) Base Planar (2x) USB (front) Light Path Diagnostics UltraSlim SATA DVD Drive Front video

59. x3690 X5 – Inside, Memory Mezzanine Installed (1) PCIe2 x16 FHFL or (2) PCIe2 x8 FHHL (2) PCIe2 x8 Low Profile & (1) PCIe2 x4 LP (x8 connector) (4x) N+N Redundant 675W Hot Swap Power Supplies (16x) Gen2 2.5” SAS/SATA Drives (16x) DDR3 Memory DIMMs Upper Memory Mezzanine (4x) Intel Memory Buffers (BoB’s) Upper Memory Mezzanine (5x) Hot Swap Redundant Cooling Fans Redundant Power Interposer

60. x3690 X5 – Front / Rear Views

61. x3690 X5 – System Planar (2) QPI Scalability Connections Shown with Cable Guide Installed Intel Boxboro IOH Intel ICH10 Southbridge Processor Socket 1 Processor Socket 2 Memory Mezzanine Connectors

62. x3690 X5 – Memory Mezzanine (4) Intel Memory Buffer Memory Buffers (16) DDR3 DIMM Sockets

63. x3690 X5 – PCIe Slots 3-5 LP PCIe2 x8 Slot 3 LP PCIe2 x4 Slot 4 (x8 Connector) Internal USB Hypervisor Spare Internal USB LP PCIe2 x8 Slot 5 (Emulex10Gb enabled)

64. x3690 X5 – Redundant Power Interposer Power Supply 3 & 4 Connectors System Planar Connections

65. eX5 QPI cables for MAX5 memory expansion eX5 Memory Drawer Side x3690 X5 Side

66. Possible x3690 X5 Configurations 2M+2D 1M+1D 2M 1M Configuration Size CPU’s DIMMS PCI-E Slots Scaling Partitioning Processor SKUs Supported 1M 2U 2 32 (1) x16 or (2) x8, and (2) x8 LP None Software - OS 11 1M + 1D 3U 2 64 (1) x16 or (2) x8, and (2) x8 LP QPI Software - OS 10 2M 4U 4 64 (2) x16 or (4) x8, and (4) x8 LP QPI Software - OS 8 2M + 2D 6U 4 128 (2) x16 or (4) x8, and (4) x8 LP QPI/EXA Physical - EXA 10 Ghidorah 4U Memory Drawer 1U QPI x3690 X5 2U Memory Drawer 1U QPI EXA x3690 X5 2U QPI x3690 X5 2U x3690 X5 2U Memory Drawer 1U QPI x3690 X5 2U x3690 X5 2U

67. MAX5

69. MAX5 for System x front and rear views Redundant 675W Power Supplies Lightpath Diagnostics QPI Ports EXA Ports Hot swap fans Front Rear System removes from chassis for easy access

71. MAX5 for rack systems front and rear view

72. x3850 X5 with MAX5 using QPI Intel Xeon Intel Xeon MB1 MB1 MB1 MB1 MB1 MB1 MB1 MB1 Intel Xeon MB1 MB1 MB1 MB1 MB1 MB1 MB1 MB1 Intel Xeon Intel Boxboro PCI-E Intel Boxboro PCI-E MAX5 MB1 MB1 MB1 MB1 MB1 MB1 MB1 MB1 Connects directly to each CPU via QPI bus 6.4 GT/s MB1 MB2 1 3 8 6 2 4 7 5 DDR3 Memory DIMMs Memory Buffer SMI Link to Firehawk EXA port

73. x3850 X5 to MAX5 QPI cabling eX5 Memory Drawer End x3850 X5 End

74. 8-socket x3850 X5 with MAX5 using QPI and EXA Connects directly to each CPU via QPI bus 6.4 GT/s Connects via EXA

78. HX5

82. HX5 Configurations 1 2 3 2S, 40D, 60mm 2S, 16D, 30mm 4S, 32D, 60mm *Not required for operation, but strongly recommended for optimal performance 40 32 16 DIMMS 2 4 2 SSDs (max) 3 2 1 (59Y5877) IBM HX5 MAX5 1-node scalability kit (46M6975) IBM HX5 2-node scalability kit (59Y5889) IBM HX5 1-node Speed Burst card * Additional Required Options 8 ports; 2x 1GE LOM, 1x CIOv, 1x CFFh 16 ports; 4x 1GE LOM, 2x CIOv, 2x CFFh 8 ports: 2x 1GE LOM, 1x CIOv, 1x CFFh I/O Slots QPI 4 (95W, 105W) 60mm HX5 + HX5 QPI 2 (95W, 105W) 30mm HX5 HX5 + MAX5 Configuration QPI Scaling 2 (95W, 105W, 130W) 60mm CPU’s Size

83. HX5 Operating System Support All NOS apply to both HX5 and HX5+MAX5 models Note: Solaris 10 support WIP U5, which includes KVM support. N-1 1 & 2 P2-Hammerhead P1-Thresher Red Hat Enterprise Linux 5 Server, 64-bit U5, which includes KVM support. N-1 1 & 2 P2 Red Hat Enterprise Linux 5 Server with Xen, 64-bit 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 Nodes U1. Emulex Tiger Shark - no drivers. Driver for Intel 10G NIC will be async - not in kernel. No CIM provider for SAS-2. Waiting on code from LSI. No way to manage SAS-2. N P1 VMWare ESXi 4.0 N P2 SUSE Linux Enterprise Server 11 with Xen, 64-bit SP3 N-1 P2 SUSE Linux Enterprise Server 10, 64-bit SP3 N-1 P2 SUSE Linux Enterprise Server 10 with Xen, 64-bit N N N-1 N N N N / N-1 P3 for Hammerhead, to be moved to P2 immediately following initial SIT Exit. Test completion outlook is 4-6 weeks after initial SIT Exit. P2 for Thresher. P3-Hammerhead P2-Thresher Red Hat Enterprise Linux 6, 64-bit SP2 P1 Windows Server 2008, 64-bit (Std, Ent, Web, DC) U1 P1 VMware ESX 4.0 P1 SUSE Linux Enterprise Server 11, 64-bit Comments Pri NOS SP2 P3 Windows HPC Server 2008 P1 Windows Server 2008 R2 (64-bit)

85. HX5 & Westmere support in BCE, BCS, BCHT & BCT Source: BCH Power Matrix 25JAN10_elb.xls ^^ Throttling / over-subscription enabled No support Up to 95W TBD 12 Enterprise 6 6 3 6 BCS No support Up to 80W CPU No support No support NEBS BCHT No support Same as NEH-EP HS22 No support No support 2000W No support 14^^ No support No support 2320W BC-E HS22 WSM 130W Westmere (HS22 & HS22V) HX5 w/ MAX5 130W HX5 95W / 105W

94. Processor Information

95. Intel® Xeon® Roadmap 2010 2008 Nehalem - EX Boxboro Chipset / OEM Boxboro – EX Intel ® 5100 Chipset Intel ® 5000V Intel® 3200 Chipset Garlow Platform IBM x3350 Ibex Peak PCH Nehalem – EP 5500 Series Tylersburg – 36D Chipset Tylersburg - EP Platform Westmere-EP Cranberry Lake Platform (HS 12) Bensley-VS Intel® 5000P/5400 Chipset Bensley Platform, HS 21, HS 21 XM x3650… Quad-Core Xeon® proc. 7300 series Caneland Platform IBM x3850/x3950 M2 Intel® 7300 Chipset/OEM Chipsets Dunnington 7400 Series Tylersburg – 24D Chipset Tylersburg - EN Platform Westmere-EP Nehalem – EP 5500 Series Expandable 7000 Efficient Performance 5000 Entry 5000 Workstation/HPC Foxhollow Platform QPI PCIe 2.0 QPI QPI Nehalem – EP 5500 Series Dual Tylersburg – 36D Chipset Tylersburg - WS Platform 5400 Chipset Stoakley Platform IBM x3450 Westmere - EP PCIe 2.0 QPI PCIe 2.0 PCIe 2.0 PCIe 2.0 PCIe 2.0 2009 *Other names and brands may be claimed as the property of others Copyright © 2008 Intel Corporation. All products, dates and figures are preliminary, for planning purposes only and are subject to change without notice. Sandy Bridge Transition future Xeon® proc. 3300 series Xeon® proc. 3100 series Lynnfield (Nehalem based) Havendale (Nehalem based) Xeon® proc 5400 series Xeon® proc 5200 series Xeon® proc 5400 series Xeon® proc 5200 series Xeon® proc 5400 series Xeon® proc 5200 series

96. Intel Nehalem-EX: Designed For Modularity QPI: Intel ® QuickPath Interconnect #QPI Links # mem channels Size of cache # cores Power Manage- ment Type of Memory Integrated graphics Differentiation in the “Uncore”: DRAM QPI Core Uncore C O R E C O R E C O R E IMC QPI Power & Clock … QPI … … … L3 Cache

101. X7560 2.26Ghz / 24M / 6.4GT/s X7550 2Ghz / 18M / 6.4GT/s 8S/Scalable 4S/Scalable L7555 1.86Ghz / 24M / 5.86GT/s E7530 1.86Ghz / 12M / 5.8GT/s E7520 1.86Ghz / 18M / x4.8GT/s X7542 2.66Ghz / 18M / 5.86GT/s EX High Perf. LV L7545 1.86Ghz / 18M / 5.86GT/s E7540 2Ghz / 18M / 6.4GT/s Turbo: 0/1/3/5 Turbo: 1/2/4/5 Standard Basic 6-8 Cores 95W HT / Turbo / S8S 6 Cores 130W Turbo / S8S No Hyper-Threading 8 Cores Hyper-Threading Turbo: 1/2/3/3 130W 6 Cores Hyper-Threading Turbo: 0/1/1/2 105W 4 Cores Hyper-Threading 95W-105W 95W 8C 6C HPC Turbo: 0/1/1/1 2S/Scalable x3850 X5 – Supported Processor SKUs Advanced

102. X6550 2Ghz / 18M / 6.4GT/s E6540 2Ghz / 18M / 6.4GT/s X7560 2.26Ghz / 24M / 6.4GT/s X7550 2Ghz / 18M / 6.4GT/s 8S/Scalable 4S/Scalable L7555 1.86Ghz / 24M / 5.86GT/s E7530 1.86Ghz / 12M / 5.8GT/s E7520 1.86Ghz / 18M / x4.8GT/s X7542 2.66Ghz / 12M / 5.86GT/s EX High Perf. LV L7545 1.86Ghz / 18M / 5.86GT/s E7540 2Ghz / 18M / 6.4GT/s Turbo: 0/1/3/5 Turbo: 1/2/4/5 Standard Basic 6-8 Cores 95W HT / Turbo / S8S 6 Cores 130W Turbo / S8S No Hyper-Threading 8 Cores Hyper-Threading Turbo: 1/2/3/3 130W 6 Cores Hyper-Threading Turbo: 0/1/1/2 105W 4 Cores Hyper-Threading 95W-105W 95W 8C 6C HPC Turbo: 0/1/1/1 E6510 1.73Ghz / 12M / 4.8GT/s 2S Only. Not Scalable 105W 2S/Scalable x3690 X5 – Supported Processor SKUs Advanced

105. Technical Highlights: Reliability

116. Technical Highlights: Performance

118. IBM x3690 X5 + MAX5 memory map setup options 0G 3G 4G 17G 33G 49G 65G CPU1 CPU1 CPU2 CPU1 CPU2 CPU1 CPU1 CPU2 UNASSIGNED 0G 3G 4G 17G 33G 65G (Setup Option) Pooled RHEL, SLES (Default) Partitioned to CPUs Windows, VMWare Example: 64GB, 32 x 2GB DIMMs, 1 x3690 X5, 2 CPUs (8 DIMMs each), 1 MAX5 (16 DIMMs) 1G MMIO IBM Confidential X5 Mem X5 Mem

119. IBM x3850 X5 + MAX5 memory map setup options 0G 3G 4G 17G 33G 49G 65G 73G 81G 89G 97G CPU1 CPU1 CPU2 CPU3 CPU4 CPU1 CPU2 CPU3 CPU4 CPU1 CPU1 CPU2 CPU3 CPU4 UNASSIGNED 0G 3G 4G 17G 33G 49G 65G 97G (Setup Option) Pooled RHEL, SLES (Default) Partitioned to CPUs Windows, VMWare Example: 96GB, 48 x 2GB DIMMs, 1 x3850 X5, 4 CPUs, 8 Mem Cds (4 DIMMs each), 1 MAX5 (16 DIMMs) 1G MMIO IBM Confidential X5 Mem X5 Mem

120. IBM x3850 X5 + MAX5 memory map 2-node example 0G 2G 4G 18G 34G 50G 66G 74G 82G 90G 98G CPU1 CPU1 CPU2 CPU3 CPU4 CPU1 CPU2 CPU3 CPU4 98G Primary Node Partitioned to CPUs Secondary Node Partitioned to CPUs Example: 192GB, 96 x 2GB DIMMs, 2 x3850 X5, 8 CPUs, 16 Mem Cds (4 DIMMs each), 2 MAX5 (16 DIMMs each) 2G MMIO IBM Confidential 256MB L4 Cache creates small memory gap to next node OS Memory is 191.5GB CPU5 CPU6 CPU7 CPU8 114G 130G 146G 162G X5 Mem CPU5 CPU6 CPU7 CPU8 170G 178G 186G 194G X5 Mem

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