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JS12 Blade Server
The IBM® BladeCenter® JS12 Type 7998 blade server is based on IBM Performance Optimization with Enhanced RISC (POWER®) Architecture technologies. The BladeCenter JS12 Type 7998 blade server runs in BladeCenter units to provide a high-density, high-performance blade server environment using advanced processing technology.

Features and specifications

Features and specifications of the IBM® BladeCenter® JS12 Type 7998 blade server are summarized in this overview.


The JS12 blade server is used in one of the following IBM BladeCenter units: BladeCenter E (8677), BladeCenter H (8852), BladeCenter HT (8740 and 8750), BladeCenter S (8886), and BladeCenter T (8720 and 8730) units.
Notes:
  • Power, cooling, removable-media drives, external ports, and advanced system management are provided by the BladeCenter unit.
  • The operating system in the blade server must provide support for the Universal Serial Bus (USB), to enable the blade server to recognize and communicate internally with the removable-media drives and front-panel USB ports.
Microprocessor:

Support for one dual-core, 64-bit POWER6® microprocessor; 3.8 GHz

Support for Energy Scale thermal management for power management/oversubscription (throttling) and environmental sensing

Memory:
  • Dual-channel (DDR2) with 8 slots for very low profile (18.3 mm) DIMMs
  • Supports 1 GB, 2 GB, 4 GB, and 8 GB DDR2 DIMMs for a maximum of 64 GB
  • Supports 2-way interleaved, DDR2, PC2-4200 or PC2-5300, ECC SDRAM registered x4, memory scrubbing, Chipkill, and bit steering DIMMs

Virtualization:

PowerVM Standard Edition hardware feature supports Integrated Virtualization Manager and Virtual I/O Server

Integrated functions:
  • Two 1 Gigabit Ethernet controllers
  • Expansion card interface
  • The baseboard management controller (BMC) is a flexible service processor with Intelligent Platform Management Interface (IPMI) firmware and SOL support
  • ATI RN 50 ES1000 video controller
  • SAS RAID controller
  • Light path diagnostics
  • RS-485 interface for communication with the management module
  • Automatic server restart (ASR)
  • Serial over LAN (SOL)
  • Support for local keyboard and video
  • Four Universal Serial Bus (USB) buses for communication with keyboard and removable-media drives
  • Transferable Anchor function (Renesas Technology HD651330 microcontroller) in the management card

Storage:

Support for two internal small-form-factor (SFF) Serial Attached SCSI (SAS) drives

Predictive Failure Analysis (PFA) alerts:
  • Microprocessor
  • Memory

Electrical input: 12 V dc

Environment:
  • Air temperature:
    • Blade server on: 10° to 35°C (50° to 95°F). Altitude: 0 to 914 m (3000 ft)
    • Blade server on: 10° to 32°C (50° to 90°F). Altitude: 914 m to 2133 m (3000 ft to 7000 ft)
    • Blade server off: -40° to 60°C (-40° to 140°F)
  • Humidity:
    • Blade server on: 8% to 80%
    • Blade server off: 8% to 80%
Size:
  • Height: 24.5 cm (9.7 inches)
  • Depth: 44.6 cm (17.6 inches)
  • Width: 2.9 cm (1.14 inches)
  • Maximum weight: 5.0 kg (11 lb)

Parts listing, Type 7998

The parts listing identifies each replaceable part, part number, and replaceable component type.

Figure 1 shows replaceable components that are available for the JS12 Type 7998 blade server.

Figure 1. Parts illustration, BladeCenter JS12 Type 7998

Replaceable components are of three types:

  • Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your responsibility. If IBM® installs a Tier 1 CRU at your request, you will be charged for the installation.
  • Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or request IBM to install it, at no additional charge, under the type of warranty service that is designated for your blade server.
  • Field replaceable unit (FRU): FRUs must be installed only by trained service technicians.

For information about the terms of the warranty and getting service and assistance, see Part 3 - Warranty Information.

Index Description CRU No. (Tier 1) CRU No. (Tier 2) FRU No.
  System-board and chassis assembly, with a POWER6® dual-core microprocessor   10N9674  
1 Cover 42D8680    
2 iSCSI TOE SFF expansion card 32R1926    
3 QLogic GbE/4Gb Fibre Channel CFFh expansion card 39Y9304    
3 Ethernet expansion card (CFFv) for IBM BladeCenter® (option) 39Y9308    
3 QLogic 4Gb Fibre Channel CFFv expansion card 41Y8526    
3 Emulex 4Gb Fibre Channel CFFv expansion card 43W6862    
3 4X InfiniBand DDR CFFh expansion card 43W4425    
3 1X SAS CFFv expansion card 39Y9188    
4 4X InfiniBand HSDC expansion card 32R1763    
4 Myricom Myrinet Cluster LFF expansion card (option) 32R1845    
5 Management card 10N9476    
  Management card air baffle 51J3296    
6 Bezel assembly with control panel 51J3295    
6 OEM Bezel assembly with control panel 51J3298    
7 Memory, 1 GB DDR2, 18.3 mm x 133.4 mm, 667 MHz 39M5863    
7 Memory, 2 GB DDR2, 18.3 mm x 133.4 mm, 667 MHz (option) 46C0518    
7 Memory, 4 GB DDR2, 18.3 mm x 133.4 mm, 667 MHz (option) 46C0519    
7 Memory, 8 GB DDR2, 18.3 mm x 133.4 mm, 400 MHz (option) 46C0517    
8 Tray, front SAS hard disk drive 31R2239    
8 Tray, rear SAS hard disk drive 31R2239    
9 Kit, Universal - miscellaneous parts
Note: The Universal Kit includes the expansion bracket, which is shown inFigure 1.
32R2451    
10 Hard disk drive, 73.4 GB SAS 26K5779    
10 Hard disk drive, 146.8 GB SAS (option) 42D0422    
Hard disk drive filler 40K5928    
DIMM filler 40K5989    
  Label, FRU list 44M1506    
  Label, OEM FRU list 44M1507    
  Label, Planar, heatsink, and system service 44T5733    
  Label, Universal warning 90P4799    
  Battery, 3.0 volt 16G8095    

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