Specifications
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Following are the specifications for the FIC KTBC51G motherboard.

Feature Specification
Form Factor
  • uBTX 4-layer
  • Dimensions: 10.4 × 10.5 inches
    		•
    CPU Support Package: Socket 939
    Processors:
    • Athlon™ 64 3000+ ~ 4000+
    • Athlon FX FX 55 ~ FX59
    • Athlon 64 X2 4200+ ~ 4800+
    System Bus Support 2000 Mhz
    Memory Support
  • Four DDR DIMM slots
  • DDR 333/400 dual channel
  • Max Memory 4 GB
    		•
    MCH (northbridge) C51G
    ICH (southbridge) MCP51G
    Firmware Hub/SPI 4 MB
    LAN Support Integrated NVIDIA network controller with AC131 10/100 PHY
    Integrated Audio
  • Interface: Azalia
  • Model: Realtek ALC 880
    		•
    IEEE-1394a Controller VIA 6307L
    Serial Input/Output (SIO) SMSC SCH5017
    Add-in Card Slots
  • One PCI Express ×16 (graphics interface)
  • One PCI Express ×1
  • Two PCI conventional
    		•
    Rear panel I/O Ports
  • Four USB 2.0
  • Two PS/2 keyboard/mouse
  • One parallel
  • One serial
  • One VGA monitor
  • Six Analog audio jacks
  • One RJ-45 LAN connector
    		•
    Internal Headers
  • Two 2-port USB 2.0 headers (2 × 5)
  • Front panel audio header (mic / headphone)
  • Two IEEE-1394a Front Panel Headers
  • Front panel header (2 × 5 supports power LED, power switch, hard drive LED and reset switch)
  • Floppy disk drive connector
  • Primary IDE connector
  • Secondary IDE connector
  • Two Serial ATA connectors
  • Clear CMOS jumper
  • Chassis Intrusion Header
  • Main Power Connector 24-pin
  • Auxiliary 12V CPU power connector 4-pin
  • CPU Fan; 4-pin, controlled
  • PWR Fan (Closed Loop / Always On) 3-pin
  • SYS Fan (Closed Loop / Always On) 4-pin; controlled
    		•