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IBM BladeCenter H Blade Server Technology

IBM BladeCenter H Blade Server Technology. HS20 (8843) Video Connector Isolation. ATI 7000M RageXL Graphics/Video Accelerator chip. HS20 (8843) PCI-X Bridge. Intel PXH64 Mode1, 133MHz Dual PCI-X. HS20 (8843) System Expansion. Standard blade daughter card slot

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IBM BladeCenter H Blade Server Technology

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  1. IBM BladeCenter H Blade Server Technology

  2. HS20 (8843) Video Connector Isolation ATI 7000M RageXL Graphics/Video Accelerator chip

  3. HS20 (8843) PCI-X Bridge • Intel PXH64 • Mode1, 133MHz • Dual PCI-X

  4. HS20 (8843) System Expansion • Standard blade daughter card slot • BSE-2 slot (SCSI + PCI-E x8)

  5. HS20 (8843) Small Form-Factor Expansion Cards

  6. HS20 (8843) Switches and Jumpers (1 of 2) • 1 - BIOS backup page jumper. • Open: BIOS starts from the Primary BIOS page • Closed: BIOS starts from the backup BIOS page • 2 - Wake On LAN bypass • Open: Enabled • Closed: Disabled (default) • 3 - Reserved • 4 - Reserved • 5 - Reserved • 6 - Clear CMOS • Open: Disabled • Closed: Enabled • 7 - Reserved • 8 - Bypass power-on password • Open: Disabled (default) • Closed: Enabled SW2

  7. HS20 (8843) Switches and Jumpers (2 of 2) NMI - Check error log. Reboot Blade Microprocessors – Make sure they are at same speed System Board – Restart the blade-server. Temperature – Check the blowers and air inlets Light path diagnostics LED (CD111) - Check the other light path diagnostic LEDs SW4 Light path diagnostics switch (SW4) - Press SW4 to find faults on the system board.

  8. HS20 (8843) Basic Input/Output System (BIOS) Code • The BladeCenter HS20 has an IBM BIOS • LPC interface for POST/BIOS Flash PROM • Menu-driven setup • Settings for configuration and performance • Set, change, delete (IRQ, Date & Time and Passwords) • Advanced settings for specific needs (e.g., Memory, CPU, PCI Bus & BMC) • BIOS defaults • The Flash PROM is attached to the X-bus. It allows for a dual-boot option. • Flash diskette • BIOS updates for host and devices CD-ROM BIOS/firmware updates and configuration for host and devices • BIOS backup page jumper – J16 Boot Block Recovery • No Jumper: Normal system operation • Jumper on pins 1-2 or 1-3: Normal operation • Jumper on pins 2-4 or 3-4: BIOS Backup FLASH boot image selected

  9. HS20 (8843) Diagnostics Tools • Light Path Diagnostics • Press F2 at POST to invoke standalone diagnostics • Diagnostics by PC Doctor • Test results are stored in a test log • Management Module event logs contains system status messages from the blade-server service processor and can be: • Viewed • Saved to diskette • Printed • Attached to e-mail alerts • Standard log is a summary of tests • Press <Tab> while viewing the test log • Power On Self Test (POST) beep codes • Real Time Diagnostics • Command-line interface (CLI)

  10. IBM Blade LS20 (8850)

  11. LS20 - Blade Server Features

  12. LS20 - Front Panel LEDs KVM Console Select Button/LED Location LED CD and FDD media button/LED Blade-error LED Activity LED Information LED 8850 Protective cover Power Button Power-on LED NMI switch LS20 blade-server model 8850

  13. LS20 - Overhead View Small Form Factor SCSI Drive Small Form Factor SCSI Drive DIMM socket 4 (J2) DIMM socket 3 (J4) Microprocessor 2 and heat sink midplane connector SCSI connector 0 (J11) SCSI connector 1 (J12) (J10) I/O expansion option connectors (J13) Microprocessor 1 and heat sink DIMM socket 2 (J30) midplane connector DIMM socket 1 (J31) Battery Light Path diagnostics switch Optional I/O Expansion card

  14. LS20 - System Board Block Diagram

  15. CPU0 CPU1 1MB L2 Cache 1MB L2 Cache System Request Interface Crossbar Switch Memory HT0 HT1 HT2 Controller Existing AMD Opteron Design LS20 - AMD Opteron Dual Core Processors • AMD Opteron was designed from the start to add a second core • Port already existed on crossbar/SRI • One die with 2 CPU cores, each core has its own 1MB L2 cache • DC Drops into existing AMD Opteron 940-pin sockets that are compatible with 90nm single core processors • A BIOS update was all that was necessary to get the 4-socket server up and running with dual core AMD Opteron processors • The 2 CPU cores share the same memory and HyperTransport™ technology resources found in single core AMD Opteron processors • Integrated memory controller & HyperTransport links route out the same as today’s implementation

  16. Benefit to AMD Opteron Technology • Sub-Optimal: • Shared BiDi FSB remains chokepoint • Bandwidth – I/O Restricts Memory • Prevents concurrency • Centralized Data Flow • Poor Multi-Way Scaling • Opteron: • Balanced and Scalable • Direct Connect Architecture • Distributed Data Flow • Cross-platform multi-core compatibility • HyperTransport™ technology

  17. LS20 - Memory • The LS20’s AMD Opteron processor contains the memory controller on die and supports memory ChipKill technology; in addition to double bit correction. • Only 2.6 V, 184-pin, DDR1, PC3200, Very Low Profile (VLP), registered SDRAM with ECC DIMMs are supported. • Physical memory configuration: • Both DIMMs in a pair must be the same size, speed, type, technology, and physical design. • The second pair does not have to be DIMMs of the same size, speed, type, technology, and physical design as the first pair. • The 8850 can support a minimum of 1 GB and a maximum of 8 GB of system memory. DIMM socket 4 (J2) DIMM socket 3 (J4) Microprocessor 2 and heat sink Installation PairDIMM Connectors Microprocessor 1 DIMM 1 (J31) & DIMM 2 (J30) Microprocessor 2 DIMM 3 (J4) & DIMM 4 (J2) Microprocessor 1 and heat sink DIMM socket 2 (J30) DIMM socket 1 (J31)

  18. LS20 - SCSI DASD Subsystem • The 8850 blade server has two connectors on the system board for installing optional Ultra320 SCSI hard disk drives. • Each Ultra320 SCSI connector is on the same bus. • Support for two internal small form factor (SFF) SCSI drives • Drive attaches to riser and tray (included with option kit) • With two SCSI hard disk drives RAID level-1 is supported • LSI 1020 SCSI controller • No cable required • Capacities • 36GB • 73GB SCSI Connectors Hard drive release levers SCSI ID 1 (J12) SCSI ID 0 (J11)

  19. LS20 - Jumper Locations WOL bypass (J15) BIOS backup page (J16) LS20 System board jumper blocks

  20. LS20 - Light Path LEDs NMI - Check error log. Reboot Blade Microprocessors – Make sure they are at same speed System Board – Restart the blade-server. Temperature – Check the blowers and air inlets Light path diagnostics LED - Check the other light path diagnostic LEDs Light path diagnostics switch - Press and hold SW1 to find faults on the system board.

  21. LS20 - Basic Input/Output System (BIOS) Code • The BladeCenter LS20 has an IBM BIOS • LPC interface for POST/BIOS Flash PROM • Menu-driven setup • Settings for configuration and performance • Set, change, delete (IRQ, Date & Time and Passwords) • Advanced settings for specific needs (e.g., Memory, CPU, PCI Bus & BMC) • BIOS defaults • The Flash PROM is attached to the X-bus. It allows for a dual-boot option. • Flash diskette • BIOS updates for host and devices CD-ROM BIOS/firmware updates and configuration for host and devices • BIOS backup page jumper – J16 Boot Block Recovery • No Jumper: Normal system operation • Jumper on pins 1-2 or 1-3: Normal operation • Jumper on pins 2-4 or 3-4: BIOS Backup FLASH boot image selected

  22. LS20 - Diagnostics Tools • Light Path Diagnostics • Press F2 at POST to invoke standalone diagnostics • Diagnostics by PC Doctor • Test results are stored in a test log • Management Module event logs contains system status messages from the blade-server service processor and can be: • Viewed • Saved to diskette • Printed • Attached to e-mail alerts • Standard log is a summary of tests • Press <Tab> while viewing the test log • Power On Self Test (POST) beep codes • Real Time Diagnostics • Command-line interface (CLI)

  23. LS20 Service Processor (SP) communicates with the management module to enable remote blade server management. The SP contains up to 512 of the most recent service processor errors in IPMI format. These messages are a combination of plain text and error code numbers. You can view additional information and error codes in plain text by viewing the management-module event log. Supported features include: Continuous local environmental health monitoring and control with configurable notification and alerts Logging errors: Event logs are time stamped, saved in nonvolatile memory, and can be attached to e-mail alerts. Remote power on/power down Remote graphics console redirection I2C interface to AMD-8111 chip Local Blade LED control RS-485 interface to the Management Modules (Remote Systems Management) Remote terminal services (Serial over LAN) OSA IPMI (firmware stack) Power Domain Policy (Power Oversubscription control) ASR (Automatic Server Restart) LS20 - Model Service Processor

  24. Support References

  25. Blade Servers Supported O/S For the latest BladeCenter Network Operating System support information navigate to the http://www.pc.ibm.com/us/compat/nos/ematrix.shtml website.

  26. IBM Blade Server Warranty • Limited warranty • 3 year parts and labor • International Warranty Service • On site, 8 am – 5 pm, Monday – Friday coverage excluding holidays • Next business day response time • 24x7 toll-free support for warranty issues during the warranty period

  27. Documentation • Hardware Maintenance Manual • Available electronically (Adobe Acrobat .PDF format) from the IBM support Web site or on the service update CD-ROM • Primary support document for diagnostics and troubleshooting • System documentation (User’s Guide, Installation Guide, etc.) • Useful for confirming shipping group contents (missing parts, etc.) and initial customer setup

  28. Topic Summary Having completed this topic, you should be able to: • Identify different Blade Server units • Understand the various Lightpaths and LEDs components • Recognize the various hardware components • Identify the supported operating systems • Understand the warranty information

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