
MITAC INTERNATIONAL CORPORATION

PB5400S

Processor             Pentium
Processor Speed       75/90/100/120/133/150/166MHz
Chip Set              SIS
Video Chip Set        None
Maximum Onboard       128MB (EDO supported)
Memory
Maximum Video Memory  None
Cache                 256/512KB
BIOS                  Award
Dimensions            330mm x 218mm
I/O Options           32-bit PCI slots (4), floppy drive interface, green
                      PC connector, IDE interfaces (2), parallel port,
                      PS/2 mouse port, serial ports (2), VGA feature
                      connector, VGA connector, cache slot, IR connector
NPU Options           None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  VGA feature connector      CO1       Reset switch               J13

  VGA connector              CO2       Turbo LED                  J14

  PS/2 mouse port             J1       Green PC connector         J15

  Serial port 2               J5       IDE interface LED          J16

  Serial port 1               J6       Turbo switch               J17

  Parallel port               J7       Speaker                    J18

  Floppy drive interface      J8       Power LED & keylock        J19

  IDE interface 2             J9       IR connector               JP1

  IDE interface 1            J10       32-bit PCI slots         PC1 - PC4

  External battery           J12       Cache slot                 SL1

  Note: J1 may not be present on all boards.

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP14          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP14          Pins 2 & 3
                                                              closed

                      DRAM CONFIGURATION

        Size                Bank 0               Bank 1

         2MB            (2) 256K x 32             None

         4MB            (2) 512K x 32             None

         4MB            (2) 256K x 32        (2) 256K x 32

         8MB             (2) 1M x 32              None

         8MB            (2) 512K x 32        (2) 512K x 32

        16MB             (2) 2M x 32              None

        16MB             (2) 1M x 32          (2) 1M x 32

        32MB             (2) 4M x 32              None

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

        64MB             (2) 8M x 32              None

        64MB             (2) 4M x 32          (2) 4M x 32

        128MB            (2) 8M x 32          (2) 8M x 32

  Note: Board accepts EDO memory. Banks are interchangeable.

                            CACHE CONFIGURATION

          Size                   Bank 0                     SL1

          256KB               (2) 32K x 32             Not installed

          256KB                   None            256KB module installed

          512KB               (2) 32K x 32        256KB module installed

  Note: The location of Bank 0 is unidentified.

        CACHE JUMPER CONFIGURATION

        Size                 JP5

        256KB         Pins 1 & 2 closed

        512KB         Pins 2 & 3 closed

                            CPU SPEED SELECTION

    CPU        Clock     Multiplier      JP2     JP3      JP4      JP10
   speed      speed

   75MHz      50MHz         1.5x        2 & 3   2 & 3    Open      Open

   90MHz      60MHz         1.5x        1 & 2   2 & 3    Open      Open

  100MHz      66MHz         1.5x        2 & 3   1 & 2    Open      Open

  120MHz      60MHz          2x         1 & 2   2 & 3    Open      1 & 3

  133MHz      66MHz          2x         2 & 3   1 & 2    Open      1 & 3

  150MHz      60MHz         2.5x        1 & 2   2 & 3    Open      1 & 3,
                                                                   2 & 4

  166MHz      66MHz         2.5x        2 & 3   1 & 2    Open      1 & 3,
                                                                   2 & 4

  Note: Pins designated should be in the closed position.

          CPU VOLTAGE SELECTION

       Voltage               JP11

       STD/VR         Pins 2 & 3 closed

         VRE          Pins 1 & 2 closed

