PE21-EC/A
    
    
    PROCESSOR
    
    Intel Pentium 4 processor (478-pin)
    - 533MHz system data bus 
    - 400MHz system data bus 
    Intel Celeron processor
    - 400MHz system data bus
    
    PROCESSOR SOCKET 
    Socket 478
    
    CHIPSET 
    VIA P4X400
    - VT8754 and VT8235
    
    SYSTEM MEMORY 
    Three 184-pin DDR DIMM sockets
    Supports up to 3GB using PC1600 (DDR200), PC2100 (DDR266), PC2700
    (DDR333) or PC3200 (DDR400), unbuffered 2.5V type
    
    BIOS 
    Award BIOS
    Windows 98/2000/ME/XP Plug and Play compatible
    2Mbit flash memory
    
    POWER MANAGEMENT 
    ACPI and OS Directed Power Management
    Wake-On-Events include:
    - Wake-On-PS/2 Keyboard/Mouse
    - Wake-On-USB Keyboard/Mouse
    - Wake-On-Ring
    - Wake-On-LAN
    - RTC timer to power-on the system
    
    HARDWARE MONITOR 
    Monitors CPU/system temperature and overheat alarm
    Monitors +12V/-12V/+5V/3.3V/CPU/VDIMM/VBAT/5VSB 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
    
    ONBOARD AUDIO FEATURES 
    AC97 compliant
    6-channel audio output
    
    PCI IDE INTERFACE 
    Supports ATA/33, ATA/66, ATA/100 and ATA/133 hard drives
    
    ACCELERATED GRAPHICS PORT 
    AGP 8x/4x
    
    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 4-channel audio output connector
    1 S/PDIF-in connector
    1 S/PDIF-out connector
    1 connector for IrDA interface
    2 IDE connectors
    1 floppy connector
    2 ATX power supply connectors
    1 Wake-On-LAN connector
    1 Wake-On-Ring connector
    CPU fan, chassis fan and second fan connectors
    
    EXPANSION SLOTS 
    1 AGP 8x/4x slot
    6 PCI slots
    
    PCB 
    4 layers, ATX form factor
    30.5cm (12") x 24.4cm (9.6")