ATC/UNITRON COMPUTERS & COMPUTER PARTS

MB532

Processor            Pentium
Processor Speed      75/90/100/120/133MHz
Chip Set             Intel
Max. Onboard DRAM    128MB
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,
                     serial ports (2), cache slot
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 1              CN1       VRM module connector       JP20

  Serial port 2              CN2       Speaker                    JP21

  Parallel port              CN3       Power LED & keylock        JP22

  Floppy drive interface     CN4       Reset switch               JP23

  IDE interface 2            CN5       Green PC connector         JP24

  IDE interface 1            CN6       32-bit PCI slots         PC1 - PC4

  IDE interface LED          JP7       Cache slot                 SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   CMOS memory normal operation            JP2              Open

      CMOS memory clear                       JP2             Closed

  »   BIOS type select EPROM/5v flash         JP3              Open

      BIOS type select 12v flash              JP3             Closed

  »   Factory configured - do not             JP6              N/A
      alter

      AT bus clock select CPU speed/8         JP12          pins 2 & 3
                                                              closed

      AT bus clock select CPU speed/6         JP12          pins 1 & 2
                                                              closed

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 36      NONE

      8MB           NONE       (2) 1M x 36

     16MB        (2) 2M x 36      NONE

     16MB           NONE       (2) 2M x 36

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

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

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

     32MB        (2) 4M x 36      NONE

     32MB           NONE       (2) 4M x 36

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

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

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

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

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

     64MB        (2) 8M x 36      NONE

     64MB           NONE       (2) 8M x 36

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

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

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

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

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

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

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

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

                            CACHE CONFIGURATION

       Size            Bank 0            TAG                 SL1

    256KB (A)       (8) 32K x 8      (1) 8K x 8         Not installed

    256KB (B)           NONE         (1) 8K x 8           Installed

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

    512KB (B)           NONE         (1) 16K x 8          Installed

  Note: The location of Bank 0 and TAG is not exact. It is shown for
  approximate location purposes only.

  CPU CLOCK SPEED CONFIGURATION

   Speed       JP8        JP9

   50MHz     Closed      Closed

   60MHz      Open       Closed

   66MHz     Closed       Open

  CPU INTERNAL CLOCK SPEED CONFIGURATION

    Speed          JP16          JP17

     1.5x          Open          Open

      2x          Closed         Open

     2.5x         Closed        Closed

      3x           Open         Closed

        CPU VOLTAGE CONFIGURATION

       Voltage               JP11

        3.3v          pins 2 & 3 closed

        3.5v          pins 1 & 2 closed

                      DMA CONFIGURATION

         DMA                 JP4                  JP5

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

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