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Mainboard AB45

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Mainboard AB45 (blue plate)


  • Chipset
    Intel 845E Chipset
    Memory Controller Hub (MCH): Intel 82845E with passive cooler installed
    I/O Controller Hub (ICH4): Intel 82801DB
    BUS: 100/133MHz
  • Socket 478 CPU support
    Intel Pentium 4  for Socket 478 (Willamette or Northwood) and P4 Celeron
    with 400 and 533MHz FSB (100 and 133MHz BUS, Quad-Datarate process)
    successfully tested with: P4 Celeron up to 1,8 GHz, P4 (Willamette 256KB Cache) up to 2,2GHz,
    P4 (Northwood 400MHz FSB) up to 2,4GHz and P4 (Northwood 533MHz FSB) up to 2,8GHz
    Mainboard supports Hyper-Threading
    FSB infinitely adjustable: 100...166MHz (in 1 MHz steps)
    CPU multiplier automatic, or adjustable from 8 up to 50x
  • Expansion slots
    1 x AGP (v2.0) slot supports 4X mode
    5 x 32 Bit PCI (v2.2)
    Important note: AGP slot supports only 1,5V mode (see below)
  • Onboard IDE Controller
    2 Channel Enhanced PCI IDE
    for up to 4 IDE devices
    supports UltraDMA/100
  • Integrated Multi Channel AC'97 Audio Function:
    conforming to AC'97 v2.2 specification
    supports 6 channel speaker mode
    Connectors on the backpanel: line-in, line-out, microphone, MIDI/gameport, line in/out
    Connector on the bracket: for bass/center, bracket included in delivery
    In Multi Channel operation: line-out = in front, line-in = rear and onboard connector "CN13" for bass/center
    More line-ins on the mainboard audio-in for CD-ROM (connectors CN4 and CN12) and AUX (CN11). 
  • Backpanel connectors
    1 x PS/2 Mouse
    1 x PS/2 Keyboard
    1 x Parallel (SSP/EPP/ECP)
    2 x Serial (16550 compatible, Fifo)
    2 x USB 2.0 (4 further onboard)
    Audio: line-in, line-out, microphone, MIDI/gameport
  • Onboard connectors
    1 x Floppy drive (up to 2,88 MB)
    4 x USB 2.0 (two further on backpanel)
    1 x Infrared (COM2 can be used for infrared communication, IrDA-adapter not included in delivery)
    1 x WOL (Wake on Lan)
    1 x SPDIF (electric)
    2 x Audio frontpanel-connectors (microphone and line-out)
    1 x Bass/Center Audio-out 
    2 x CDROM Audio-in
    1 x Audio (AUX)
    3 x Fan (CPU, AGP, Case)
  • Memory
    2 x 184-Pin DIMM-Socket
    for PC1600 oder PC2100 unbuffered DDR SDRAM memory
    with 100 or 133MHz clock frequency up to 2GB capacity
  • Hardware monitoring
    CPU temperature, voltages and fan revolution
  • Power Management
    ACPI version 1.0 (Advanced Configuration and Power Interface)
    supports power saving modes: S1 (Snoop), S3 (Suspend to RAM), S4 (Suspend to DISK), S5 (Soft-Off)
    On/Off button with two functions: Suspend-mode / soft off
    Power on after power failure
  • BIOS
    Award V6.0PG  PnP Green BIOS
    stored in 4MBit LPC Flash memory chip
  • ATX power supply connector
    Standard 20-Pin-ATX power supply connector
  • Form Factor
    ATX: 30,5 x 19 cm


The version marking can be found next to the outermost PCI slot or on the package:

Version 2.1 has an additional 12V plug for the power supply and requires also another BIOS version.


Socket 478
Intel chipset
AB60 R/N

Shuttle Computer - European Headquarters +++ Disclaimer +++ Last update: 30.4.2008