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  Products   Motherboards   Xeon Boards   [ X8OBN-F ]

  Key Features (X8OBN-F)
1. Up to 8 Intel® Xeon® processor 7500^
    series (8-Core) and next gen. Xeon
    processors E7 family (10-Core)
    via CPU boards (X8OBN-CPU)
2. Dual Intel® 7500 (Boxboro-EX)
    chipsets with QPI up to 6.4GT/s
3. 1 PLX PCI-E bridge
4. Intel® 82576 dual-port GbE Controller
5. 6 SATA2 (3 Gbps) ports
6. 4 (x16) PCI-E 2.0 + 2 (x8) PCI-E 2.0 or
    10x (x8) PCI-E 2.0 slots
7. Integrated IPMI 2.0 w/ Dedicated LAN

  Key Features (X8OBN-CPU)
1. Up to 2 Intel® Xeon® processor 7500
    series (8-Core, code named Nehalem
    -EX) and next gen. Xeon processors
    E7 family (10-Core, code named
    Westmere-EX); 4 Millbrook per CPU
2. 16 DIMM slots support 1066/978/800
    MHz DDR3 ECC reg. DIMMs
3. 4.8/5.86/6.4GT/s QPI ports

  Key Features (X8OBN-BR1)
1. Bridge Board

Links & Resources
Tested Memory List
Tested HDD / SSD List
Motherboard Manual
Update Your BIOS
IPMI Firmware
Download the Latest Drivers and Utilities
Download Driver CD
Product SKUs
Base board
  • X8OBN-F (for Server ONLY)
Process board
  • X8OBN-CPU (for Server ONLY)
Bridge board
  • X8OBN-BR1 (for Server ONLY)
Physical Stats
Form Factor
  • Proprietary
Processor/Cache (each X8OBN-CPU)
  • Two 1567-pin LGA Sockets
  • Supports up to two Intel® Xeon® processor(s) of the same type below:
  • Intel® Xeon® processors 7500^ series (8-core, codename Nehalem-EX) and new generation Intel® Xeon® processors E7-8800 family (10-core, codename Westmere-EX)
  • up to 6.4 GT/s
System Memory (each X8OBN-CPU)
Memory Capacity
  • 16x 240-pin DIMM sockets
  • Supports 1066 / 978 / 800MHz DDR3 ECC Registered memory
  • Memory Mirroring supported
Memory Type
  • 1333* / 1066 / 978 / 800MHz ECC Registered DDR3 SDRAM 72-bit, 240-pin gold-plated DIMMs
DIMM Sizes
  • 1GB, 2GB, 4GB, 8GB, 16GB, 32GB**
Memory Voltage
  • 1.5 V, 1.35V**
Error Detection
  • Corrects single-bit errors
  • Detects double-bit errors (using ECC memory)
  • Supports Intel® x4 and x8 Single Device Data Correction (SDDC)
On-Board Devices
  • Intel® 7500 (Boxboro-EX) chipset
  • ICH10R
  • Intel ICH10R SATA 3.0Gbps Controller
  • RAID 0, 1, 5, 10 support (Windows)
  • RAID 0, 1, 10 support (Linux)
  • Support for Intelligent Platform Management Interface v.2.0
  • IPMI 2.0 with virtual media over LAN and KVM-over-LAN support
  • Winbond® WPCM450 BMC
Network Controllers
  • Intel® 82576 Dual-Port Gigabit Ethernet Controllers
  • Supports 10BASE-T, 100BASE-TX, and 1000BASE-T, RJ45 output
  • 1x Realtek RTL8201N PHY (dedicated IPMI)
  • Matrox G200eW 16 MB DDR2
Super I/O
  • Winbond 83527HG chip
Input / Output
Serial ATA
  • Six Serial ATA ports
  • Six SATA hard drives supported
  • 3x RJ45 LAN ports
  • 2x USB 2.0 rear ports
  • 6x USB 2.0 via internal headers
  • 2x Type A USB
  • Total 10 USB 2.0 Compliant
  • 1x VGA Port
Serial Port / Header
  • 1 Fast UART 16550 serial port
  • 1 Fast UART 16550 serial header
Chassis ( Optimized for X8OBN-F )
5U Rackmount
  • CSE-758TS-R2800BP
Expansion Slots
  • 4 (x16) PCI-E 2.0 + 2 (x8) PCI-E 2.0 or 10x (x8) PCI-E 2.0 slots
System BIOS
  • 32Mb SPI Flash EEPROM with AMI® BIOS
BIOS Features
  • Plug and Play (PnP)
  • PCI 2.2
  • ACPI up to 3.0
  • USB Keyboard support
  • IPMI (Intelligent Platform Management Interface) v1.5 / 2.0 with KVM support
  • SuperDoctor® III
Power Configurations
  • ACPI / ACPM Power Management
PC Health Monitoring
  • Monitors for CPU Cores, +1.2V, 1.5V, +3.3V, +12V, (+3V, 1.0V, 1.2V, 1.8V, 1.1V) Standby, VBAT, Memory, Chipset Voltages.
  • 4-Phase-switching voltage regulator with auto-sense from 0.6V-1.35V
  • Total of 10 fan headers supporting up to 10 fans
  • Ten 4-pin fan headers
  • 10x fans with tachometer status monitoring
  • Support 4-pin fans (w/o speed control)
  • Low noise fan speed control
  • Monitoring for CPU and chassis environment
  • Thermal Control for 8x fan connectors
  • PECI
Other Features
  • Chassis intrusion detection
  • Chassis intrusion header
Operating Environment
Environmental Spec.
  • Operating Temperature: 10° to 35° C (50° to 95°F)
  • Non-operating Temperature: -40° to 70° C (-40° to 158° F)
  • Operating Relative Humidity: 8% to 90% (non-condensing)
  • Non-operating Relative Humidity: 5 to 95% (non-condensing)
OS Compatibility

• Please see our OS Compatibility Chart
Parts List
  Part Number Qty Description
Motherboard MBD-X8OBN-F
X8OBN base board for SYS-5086B-TRF
X8OBN processor board for SYS-5086B-TRF
X8OBN bridge board for SYS-5086B-TRF

Note:  X8OBN-F, X8OBN-CPU, and X8OBN-BR1 are for server SKU only - SYS-5086B-TRF

^ Supported 7500 series processors include X7560, X7550, E7540, L7555, L7545, X7542 only
* Run at speed - 1066MHz
** Please check Tested Memory List for compatibility; 4Gb DRAM, 32GB or 1.35V memory requires rev 2.0 or above boards with Millbrook II
Information in this document is subject to change without notice.
Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders.