
AQUARIUS SYSTEMS, INC.

MB-540F-A

Processor          CXM1/AM K5/Pentium
Processor Speed    75/90/100/120/133/150/180MHz
Chip Set           OPTI
Max. Onboard DRAM  512MB
Cache              256/512/1024KB
BIOS               AMI
Dimensions         330mm x 220mm
I/O Options        32-bit PCI slots (4), green PC connector, floppy drive
                   interface, IDE interfaces (2), parallel port, PS/2
                   mouse port, serial ports (2), VRM connector, cache slot
NPU Options        None

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                 Location

  PS/2 mouse port          CN1        Turbo switch          JP20 pins 6 &
                                                                 16

  Serial port 1            CN2        Turbo LED             JP20 pins 7 &
                                                                 17

  Serial port 2            CN3        Reset switch          JP20 pins 8 &
                                                                 18

  Floppy drive             CN4        Green PC connector    JP20 pins 9 &
  interface                                                      19

  Parallel port            CN5        IDE interface LED     JP20 pins 10
                                                                & 20

  IDE interface 2          CN6        Speaker               JP20 pins 11
                                                                - 14

  IDE interface 1          CN7        32-bit PCI slots       PC1 - PC4

  VRM connector            CN8        Cache slot                SL1

  Power LED &           JP20 pins 1
  keylock                  - 5

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     Parallel port IRQ select IRQ7          JP10           pins 2 & 3
                                                              closed

      Parallel port IRQ select IRQ5          JP10           pins 1 & 2
                                                              closed

     CMOS memory normal operation           JP16           pins 2 & 3
                                                              closed

      CMOS memory clear                      JP16           pins 1 & 2
                                                              closed

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         NONE

       4MB        (2) 512K x 36         NONE

       4MB        (2) 256K x 36    (2) 256K x 36

       6MB        (2) 256K x 36    (2) 512K x 36

       8MB         (2) 1M x 36          NONE

       8MB        (2) 512K x 36    (2) 512K x 36

      10MB        (2) 256K x 36     (2) 1M x 36

      12MB        (2) 512K x 36     (2) 1M x 36

      16MB         (2) 2M x 36          NONE

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

      18MB        (2) 256K x 36     (2) 2M x 36

      20MB        (2) 512K x 36     (2) 2M x 36

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

      32MB         (2) 4M x 36          NONE

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

      34MB        (2) 256K x 36     (2) 4M x 36

      36MB        (2) 512K x 36     (2) 4M x 36

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

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

      64MB         (2) 8M x 36          NONE

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

      66MB        (2) 256K x 36     (2) 8M x 36

      68MB        (2) 512K x 36     (2) 8M x 36

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

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

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

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

      128MB        (2) 16M x 36         NONE

      130MB       (2) 256K x 36     (2) 16M x 36

      132MB       (2) 512K x 36     (2) 16M x 36

      136MB        (2) 1M x 36      (2) 16M x 36

      144MB        (2) 2M x 36      (2) 16M x 36

      160MB        (2) 4M x 36      (2) 16M x 36

      192MB        (2) 8M x 36      (2) 16M x 36

      256MB        (2) 16M x 36     (2) 16M x 36

      256MB        (2) 32M x 36         NONE

          DRAM CONFIGURATION (CON'T)

      Size          Bank 0          Bank 1

     264MB        (2) 1M x 36    (2) 32M x 36

     272MB        (2) 2M x 36    (2) 32M x 36

     288MB        (2) 4M x 36    (2) 32M x 36

     320MB        (2) 8M x 36    (2) 32M x 36

     384MB        (2) 16M x 36   (2) 32M x 36

     512MB        (2) 32M x 36   (2) 32M x 36

                            CACHE CONFIGURATION

    Size       Bank 0       Bank 1           TAG                SL1

  256KB (A)   (4) 32K x    (4) 32K x   (1) 16K/32K/64K x   Not installed
                  8           8               8

  256KB (B)     NONE         NONE            NONE            Installed

  512KB (A)   (4) 64K x    (4) 64K x   (1) 16K/32K/64K x   Not installed
                  8           8               8

  512KB (B)     NONE         NONE            NONE            Installed

    1MB        (4) 128K    (4) 128K    (1) 32K/64K x 8     Not installed
                 x 8         x 8

  CACHE JUMPER CONFIGURATION

   Size      JP3        JP4

  256KB      Open      Open

  512KB      Open     Closed

   1MB      Closed    Closed

   CACHE JUMPER CONFIGURATION

      Type           JP32

  Asynchronous       Open

  Synchronous       Closed

                          CPU TYPE CONFIGURATION

    Type         JP12           RS1             RS2             RS3

    CXM1         Open      Not installed     Installed     Not installed

    AM K5        Open      Not installed   Not installed     Installed

   Pentium      Closed       Installed     Not installed   Not installed

               CPU SPEED CONFIGURATION (INTEL PENTIUM ONLY)

    Speed           JP13           JP18          JP19           JP31

    75MHz        pins 1 & 2        Open          Open         pins 1 & 2
                   closed                                      closed

    90MHz        pins 1 & 2       Closed         Open         pins 1 & 2
                   closed                                      closed

    100MHz       pins 1 & 2       Closed        Closed        pins 1 & 2
                   closed                                      closed

    120MHz       pins 2 & 3       Closed         Open         pins 1 & 2
                   closed                                      closed

    133MHz       pins 2 & 3       Closed        Closed        pins 1 & 2
                   closed                                      closed

    150MHz       pins 1 & 2        Open          Open         pins 2 & 3
                   closed                                      closed

    180MHz       pins 1 & 2       Closed         Open         pins 2 & 3
                   closed                                      closed

           CPU CLOCK SPEED CONFIGURATION (CXM1 &AMP; AM K5 ONLY)

    CPU type            Speed               JP13               JP31

      CXM1               2.5x             pins 2 & 3        pins 1 & 2
                                           closed             closed

      CXM1                3x              pins 1 & 2        pins 1 & 2
                                           closed             closed

      AM K5               1x              pins 2 & 3        pins 1 & 2
                                           closed             closed

      AM K5           1.5x/2x/3x          pins 1 & 2        pins 1 & 2
                                           closed             closed

  CPU SPEED CONFIGURATION (CXM1 &AMP; AM K5 ONLY)

      Speed            JP18              JP19

      50MHz            Open              Open

      60MHz           Closed             Open

      66MHz           Closed            Closed

                         CPU VOLTAGE CONFIGURATION

       Voltage              JP23              JP25              JP26

          3.3v            Closed             Open              Open

         3.45v             Open             Closed             Open

          3.6v             Open              Open             Closed

                             DMA CONFIGURATION

           DMA                      JP8                      JP9

           DMA 1            pins 1 & 2 closed        pins 1 & 2 closed

           DMA 3            pins 2 & 3 closed        pins 2 & 3 closed

[Image]

                 CPU TYPE CONFIGURATION

     Type           JP1           JP2           JP3

     CXM1          Open          Open          Closed

    AM K5          Open          Open           Open

   Pentium         Open          Open           Open

  Note: These jumpers are located on the cache module.

