| 
    R687AC Specifications :     
    
     
       | 
  
  
    | 
    
    Processor : | 
    Support VIA 
    C3 processor, over 1Ghz. | 
  
  
    | 
    
    Chipset : | 
    SiS 630ST, 
    System bus capability (100/133 MHz). | 
  
  
    | 
    
    Expansion Slot : | 
    
    
    PCI Slot : 
    (1). 2x PCI slots on riser card OR 
    (2). 1x PCI slot on riser card and 1x IEEE1394 daughter card). | 
  
  
    | 
    
    
    System Memory :  | 
    Supports 1 x 
    168-pin DIMM Socket 
    (PC100 / PC133 SDRAM) 
    -The Memory from 32MB up to 512MB. | 
  
  
    | 
    
    
    On Board IDE :  | 
    2 x IDE 
    Connectors for up to 4 IDE Drives. 
    -PIO Mode 4 transfers 
    -Dual Ultra DMA 33/66/100. | 
  
  
    | 
    
    
    On Board I/O :  | 
    2 Serial Port 
    Connectors (16550 Fast UART compatible). 
    -1 Parallel Port Connectors (EPP/ECP capability). 
    -1 Floppy Disk Connector. 
    -1 PS/2 Mouse Connector. 
    -1 PS/2 Keyboard Connector. 
    -1 IrDA Connector. | 
  
  
    
    IEEE 1394a (Optional) 
    on daughter card | 
    IEEE 1394a, 2 
    x ports.  
    Support 400Mbits/s, 200Mbits/s, 100 Mbits/s traffic. | 
  
  
    | 
    
    
    On Board USB :  | 
    Universal 
    Serial Bus Controller. 
    -Host / HUB Controller. 
    -Two USB Ports + 2 x USB connectors. | 
  
  
    | 
    
    On Board VGA : | 
    Integrated 
    128-bit 2D/3D Graphics Accelerator, AGP 4X. 
    -Shared Memory 2~64MB. 
    -Advanced HW Acceleration for DVD Playback. 
    -Fully DirectX 8 Compliant Graphics Engine. | 
  
  
    | 
    
    
    On Board TV-Out :  | 
    Built-in 
    SiS301(B version) chip. 
    -Support NTSC and PAL,  
    Resolution : 640x480 / 800x600 / 1024x768 full screen. 
    -Support DVI (Digital Visual Interface). | 
  
  
    | 
    
    On Board Sound : | 
    Integrated 
    Audio Controller, Support 2 Speakers. 
    -AD1881A (AC'97) Codec. | 
  
  
    | 
    
    On Board LAN
    x 2 : | 
    Two LAN 
    ports, built-in RTL8139C 10/100 Mbps PCI Lan chip. | 
  
  
    | 
    
    
    BIOS :  | 
    Flash ROM 
    BIOS with Green, Plug and Play Features. | 
  
  
    | 
    
    
    Dimension :  | 
    
    
    Special Form Factor Size. 
    23cm x 22cm or 9.1" x 8.7" (4 Layers) 
  |