
PC BRAND

LEADER

Processor              80386SX
Processor Speed        25/33MHz
Chip Set               Unidentified
Max. Onboard DRAM      16MB
Cache                  None
BIOS                   Unidentified
Dimensions             220mm x 220mm
I/O Options            Parallel port, serial ports (2), game port, IDE
                       interface, floppy drive interface, riser slot
NPU Options            80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Serial port 1               CN1      IDE interface LED           J3

  Serial port 2               CN2      Reset switch                J4

  Parallel port               CN3      Power LED & keylock         J5

  Floppy drive interface      CN4      Speaker                     JP9

  Game port                   CN5      Turbo switch               JP10

  IDE interface               CN6      Turbo LED                  JP11

  External battery            J2       Riser Card                  SL1

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     Battery type select internal            JP2           pins 1 & 2
                                                              closed

      Battery type select external            JP2           pins 2 & 3
                                                              closed

     CMOS memory normal operation            JP4           pins 1 & 2
                                                              closed

      CMOS memory clear                       JP4           pins 3 & 4
                                                              closed

     Turbo enabled                           JP5           pins 2 & 3
                                                              closed

      Turbo disabled                          JP5           pins 1 & 2
                                                              closed

     Speaker type select internal            JP9           pins 1 & 2
      buzzer                                                  closed

      Speaker type select external            JP9              Open
      speaker

     Serial port 1 enabled                  JP12              Open

      Serial port 1 disabled                 JP12             Closed

     Serial port 2 enabled                  JP13              Open

      Serial port 2 disabled                 JP13             Closed

     Floppy drive interface enabled         JP14              Open

      Floppy drive interface disabled        JP14             Closed

     Parallel port LPT select LPT1          JP15              Open

      Parallel port LPT select LPT2          JP15             Closed

     IDE interface enabled                  JP16              Open

      IDE interface disabled                 JP16             Closed

     Game port enabled                      JP17              Open

      Game port disabled                     JP17             Closed

     Security disabled                      JP18              Open

      Security enabled                       JP18             Closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

     512KB        (2) 256K x 9       NONE

      1MB         (2) 256K x 9   (2) 256K x 9

      2MB         (2) 1M x 9         NONE

      4MB         (2) 1M x 9      (2) 1M x 9

      8MB         (2) 4M x 9         NONE

      16MB        (2) 4M x 9      (2) 4M x 9

         CPU SPEED CONFIGURATION

        Speed                JP6

        25MHz         pins 2 & 3 closed

        33MHz         pins 1 & 2 closed

          MISCELLANEOUS TECHNICAL NOTE

  Note: The location of pin 1 is unidentified.

