AD77
      
    
    
    
    CPU 
    
    AMD Athlon XP 266/333MHz FSB 
    AMD Athlon 200/266MHz FSB 
    AMD Duron 200MHz FSB 
    
    CPU Socket 
    
    Socket A 
    
    Chipset 
    
    VIA KT400 and VT8235CD 
    
    Memory 
    
    Supports up to 3GB memory (unbuffered DIMM)
    Uses PC1600 (DDR200), PC2100 (DDR266), PC2700 (DDR333) 
    or PC3200 (DDR400) DDR SDRAM DIMM, 2.5V type
    Three 184-pin DDR SDRAM DIMM sockets 
    
    BIOS 
    
    Award BIOS
    Windows 95/98/2000/ME/XP Plug and Play compatible
    2Mbit flash memory 
    
    Power Management 
    
    Supports ACPI specification and OS Directed Power 
    Management
    Supports ACPI STR (Suspend to RAM) function
    Wake-On-Events include:
    - Wake-On-Ring (external and internal modem)
    - Wake-On-LAN
    - RTC timer to power-on the system 
    
    Hardware Monitor 
    
    Monitors CPU/system temperature and overheat alarm
    Monitors +12V/-12V/+5V/-5V/3.3V/CPU/VBAT(V)/5VSB(V)
    voltages and failure alarm
    Monitors CPU/chassis fan speed and failure alarm
    Automatic chassis fan on/off control 
    Read back capability that displays temperature, voltage
    and fan speed
    CPU Fan Protection function during system boot-up
    CPU Temperature Protection function during system boot-
    up
    CPU Overclocking function by 1MHz stepping 
    
    Audio 
    
    AC97 compliant
    6-channel audio output 
    
    PCI IDE 
    
    Supports ATA/33, ATA/66, ATA/100 and ATA/133 hard drives 
    
    Accelerated Graphics Port (AGP) 
    
    Supports AGP 8x up to 2133MB/sec. and AGP 4x up to
    1066MB/sec. bandwidth for 3D graphics applications 
    
    Rear Panel I/O Ports 
    
    2 USB 2.0/1.1 ports
    2 DB-9 serial ports
    1 DB-25 parallel port
    1 mini-DIN-6 PS/2 mouse port
    1 mini-DIN-6 PS/2 keyboard port
    1 game/MIDI port
    3 audio jacks: line-out, line-in and mic-in 
    
    I/O Connectors 
    
    2 connectors for 4 additional external USB 2.0/1.1 ports
    1 connector for external line-out and mic-in jacks
    2 internal audio connectors (AUX-in and CD-in)
    1 S/PDIF-in/out connector
    1 connector for IrDA interface
    2 IDE connectors
    1 floppy connector
    1 ATX power supply connector
    1 Wake-On-LAN connector
    1 Wake-On-Ring connector
    CPU fan, chassis fan and second chassis fan connectors 
    
    Expansion Slots 
    
    1 AGP slot that supports 8x/4x AGP
    5 PCI slots 
    
    PCB 
    
    4 layers, ATX form factor
    30.5cm (12") x 20cm (7.87")