Thunder i840 (S2520) 
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  Benefits and Applications

The Thunder i840 is designed for enterprise server and workstation applications requiring the processing power of dual Intel Pentium III processors.  With its 64-bit PCI bus, the Thunder i840 accepts the latest high- performance peripherals such as Gigabit network and Fibre Channel storage controllers.  It also features integrated video, dual network connections, dual-channel Ultra 160 SCSI support, and accepts up to 4GB of RIMM-based RDRAM.  With its Intelligent Platform Management Interface, this board offers extensive cross-platform server management capabilities across complex system topologies.

  Product Skus

Standard Model

UPC Number




  • Processor
    Dual PGA370 ZIF sockets; supports two Intel Pentium III processors (FC-PGA)
    VRMs (VRM 8.4 spec)
    Front-Side Bus support for 100MHz and 133MHz
  • Chipset
    Intel 840 chipset
    MCH + ICH2 + P64H + FWH (4Mb)
    Intel P64H to support 64-bit / 66MHz slots
    National PC87366 LPC Super I/O chip
  • System Memory
    Dual-channel memory bus
    Four 184-pin RIMM sockets
    Supports up to 2GB PC800 RDRAM
    3.2GB/sec maximum memory bandwidth
  • Hardware Monitoring
    Winbond W83782D
    3-pin fan monitoring headers
    2-pin chassis intrusion header
    CPU temperature and voltage monitoring
  • Server Management (optional)
    Supports the Intelligent Platform Management Interface (IPMI); Q-Logic Zircon controller (BMC)
    Support for IPMI, SDR, SEC, FRU
    One IPMB and two I2C serial interfaces
  • Expansion Slots
    One AGP Pro slot supports 2x/4x modes
    Two 64-bit / 66MHz (3.3-volt) PCI slots
    Two 64-bit / 66MHz (5.0-volt) PCI slots
    Two 32-bit / 33MHz (5.0-volt) PCI slots
    Total of seven usable slots
  • Integrated I/O
    One floppy connector supports up to two drives
    Two 9-pin 16550-based serial ports
    (one via optional cable)
    One 25-pin SPP/ECP/EPP parallel port
    Four USB Ports (two ports via cable - for front of chassis); PS/2 keyboard and mouse ports
  • Integrated Graphics
    ATI-RAGE XL graphics accelerator
    4MB frame buffer (SDRAM)
    Standard 15-pin analog VGA port
  • Integrated LAN
    Two LAN controllers
    - One Intel 82559 LAN controller
    - One Intel ICH2 w/ 82562ET "Kinnereth"
    10/100Mbps data transfer rate per controller
  • Integrated PCI IDE
    Dual-channel master mode
    Supports up to four Enhance IDE devices
    Support for DMA100/66/33 IDE and ATAPI compliant devices
  • Integrated SCSI
    Adaptec AIC-7899w chipset
    Dual-channel Ultra160 SCSI support
    160MBps throughput and up to 15 devices per channel
    - Channel A: 68-pin connector
    - Channel B: 68-pin connector
  • BIOS
    AMI BIOS on 4 Mb Flash ROM
    Supports APM v1.2 & ACPI v1.0
    User settings for hardware monitoring
    Auto-configuration of IDE hard drive types
    Multiple boot options; DMI 2.0 compliant
  • Form Factor
    Extended ATX footprint  (12" x 13")
    Dual 20-pin ATX power connectors
    Stacked keyboard and mouse ports
    Stacked VGA (one), parallel (one) and serial (two) ports; stacked USB (two) ports
    Stacked RJ45 (two) LAN ports with LED
  • Regulatory
    FCC DoC (Declaration of Conformity)
    European CE (Declaration of Conformity)

Information published on is subject to change without notice.
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