PHILIPS CONSUMER ELECTRONICS, CO.

E520

Device Type           Mainboard
Processor             Pentium
Processor Speed       75/90/100/120/133/150/166MHz
Chip Set              SIS
Video Chip Set        Unidentified
Maximum Onboard       128MB (EDO supported) Unified Memory Architecture
Memory                (UMA)
Cache                 256KB
BIOS                  Unidentified
Dimensions            330mm x 218mm
I/O Options           Floppy drive interface, IDE interfaces (2), parallel
                      port, PS/2 mouse port, serial ports (2), VGA feature
                      connector, VGA port, riser slot
NPU Options           None

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  VGA port                 CN1        VGA feature                CN9
                                      connector

  Parallel port            CN2        Power LED              J12/pins 1 -
                                                                  3

  Serial port 2            CN3        Turbo LED              J12/pins 6 &
                                                                 16

  Serial port 1            CN4        Reset switch           J12/pins 8 &
                                                                 18

  PS/2 mouse port          CN5        IDE interface LED     J12/pins 10 &
                                                                 20

  Floppy drive             CN6        Speaker               J12/pins 11 -
  interface                                                      14

  IDE interface 2          CN7        Riser slot                 SL1

  IDE interface 1          CN8

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

  »   CMOS memory normal operation         JP11        Pins 1 & 2 closed

      CMOS memory clear                    JP11        Pins 2 & 3 closed

  »   Factory configured - do not          JP13          Unidentified
      alter

  »   Factory configured - do not          JP14          Unidentified
      alter

  »   Factory configured - do not          JP25          Unidentified
      alter

              DRAM CONFIGURATION

     Size          Bank 0          Bank 1

      8MB        (2) 1M x 36        None

     16MB        (2) 2M x 36        None

     16MB        (2) 1M x 36    (2) 1M x 36

     24MB        (2) 2M x 36    (2) 1M x 36

     32MB        (2) 4M x 36        None

     32MB        (2) 2M x 36    (2) 2M x 36

     40MB        (2) 4M x 36    (2) 1M x 36

     48MB        (2) 4M x 36    (2) 2M x 36

     64MB        (2) 8M x 36        None

     64MB        (2) 4M x 36    (2) 4M x 36

     72MB        (2) 8M x 36    (2) 1M x 36

     80MB        (2) 8M x 36    (2) 2M x 36

     96MB        (2) 8M x 36    (2) 4M x 36

     128MB       (2) 8M x 36    (2) 8M x 36

            Note: Board accepts EDO memory.

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     256KB        (2) 32K x 32   (1) 16K x 8

                            CPU SPEED SELECTION

    CPU      Clock    Multiplier     JP15      JP16      JP19      JP20
  speed     speed

  75MHz     50MHz        1.5x        Open      Open     Closed    Closed

  90MHz     60MHz        1.5x        Open      Open      Open     Closed

  100MHz    66MHz        1.5x        Open      Open     Closed     Open

  120MHz    60MHz         2x        Closed     Open      Open     Closed

  133MHz    66MHz         2x        Closed     Open     Closed     Open

  150MHz    60MHz        2.5x       Closed    Closed     Open     Closed

  166MHz    66MHz        2.5x       Closed    Closed    Closed     Open

           CPU VOLTAGE SELECTION

  Voltage     JP5        JP6        JP7

   3.3v      Closed      Open      Open

   3.45v      Open      Closed     Open

   3.6v       Open       Open     Closed