
MAGITRONICS

A-BL2465

Processor  CX486S/UMCU5/80486SX/SL80486SX/CX486DX/80486DX/
           SL80486DX/CX486DX2/AM486DX2/80486DX2/SL80486DX2/
           AM486DX4/80486DX4/P24D/P24T
Processor  20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/
Speed      100(internal)MHz
Chip Set   Unidentified
Video Chip None
Set
Maximum    128MB
Onboard
Memory
Maximum    None
Video
Memory
Cache      128/256/512KB
BIOS       Award
Dimensions 250mm x 218mm
I/O        32-bit PCI slots (3), green PC connector
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  External battery            J1       Reset switch                J6

  Green PC connector          J2       Power LED & keylock         J7

  Turbo switch                J3       Green PC connector         JP26

  Turbo LED                   J4       Green PC LED               JP27

  Speaker                     J5       32-bit VESA local bus   SL1 - SL3
                                       slots

                        USER CONFIGURABLE SETTINGS

                  Function                      Label         Position

     Turbo enabled                              J3          Pins 2 & 3
                                                               closed

      Turbo disabled                             J3          Pins 1 & 2
                                                               closed

     CMOS memory normal operation              JP16         Pins 1 & 2
                                                               closed

      CMOS memory clear                         JP16         Pins 2 & 3
                                                               closed

     Monitor type select                       JP17            Open
      monochrome/EGA/VGA

      Monitor type select CGA                   JP17           Closed

     CPU clock delay select CLKIN delayed      JP20         Pins 2 & 3
     for CPUCLK                                               closed

      CPU clock delay select CLKIN =            JP20         Pins 1 & 2
      CPUCLK                                                   closed

     BIOS type select EPROM                    JP37            Open
  

      Flash BIOS type select 12v                JP37         Pins 1 & 2
                                                               closed

      Flash BIOS type select 5v                 JP37         Pins 2 & 3
                                                               closed

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2          Bank 3

     1MB         (1) 256K x       None           None            None
                    36

     2MB         (1) 256K x     (1) 256K x       None            None
                    36             36

     2MB         (1) 512K x       None           None            None
                    36

     4MB         (1) 256K x     (1) 256K x     (1) 512K x        None
                    36             36             36

     4MB         (1) 512K x     (1) 512K x       None            None
                    36             36

     4MB        (1) 1M x 36       None           None            None

     5MB         (1) 256K x    (1) 1M x 36       None            None
                    36

     6MB         (1) 256K x     (1) 256K x    (1) 1M x 36        None
                    36             36

     6MB         (1) 512K x    (1) 1M x 36       None            None
                    36

     8MB         (1) 256K x     (1) 256K x     (1) 512K x    (1) 1M x 36
                    36             36             36

     8MB         (1) 512K x     (1) 512K x    (1) 1M x 36        None
                    36             36

     8MB        (1) 1M x 36    (1) 1M x 36       None            None

     8MB        (1) 2M x 36       None           None            None

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

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

     12MB       (1) 1M x 36    (1) 1M x 36    (1) 1M x 36        None

     12MB       (1) 1M x 36    (1) 2M x 36       None            None

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

     16MB       (1) 4M x 36       None           None            None

     16MB       (1) 2M x 36    (1) 2M x 36       None            None

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     16MB        (1) 1M x 36    (1) 1M x 36    (1) 2M x 36       None

     17MB         (1) 256K x    (1) 4M x 36       None           None
                     36

     18MB         (1) 256K x     (1) 256K x    (1) 4M x 36       None
                     36             36

     18MB         (1) 512K x    (1) 4M x 36       None           None
                     36

     20MB         (1) 512K x     (1) 512K x    (1) 4M x 36       None
                     36             36

     20MB        (1) 1M x 36    (1) 4M x 36       None           None

     20MB        (1) 1M x 36    (1) 2M x 36    (1) 2M x 36       None

     24MB         (1) 512K x     (1) 512K x    (1) 1M x 36   (1) 4M x 36
                     36             36

     24MB        (1) 1M x 36    (1) 1M x 36    (1) 4M x 36       None

     24MB        (1) 2M x 36    (1) 2M x 36    (1) 2M x 36       None

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

     24MB        (1) 2M x 36    (1) 4M x 36       None           None

     28MB        (1) 1M x 36    (1) 2M x 36    (1) 2M x 36   (1) 2M x 36

     32MB        (1) 4M x 36    (1) 4M x 36       None           None

     32MB        (1) 8M x 36       None           None           None

     32MB        (1) 2M x 36    (1) 2M x 36    (1) 4M x 36       None

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

     36MB         (1) 512K x     (1) 512K x    (1) 4M x 36   (1) 4M x 36
                     36             36

     36MB        (1) 1M x 36    (1) 4M x 36    (1) 4M x 36       None

     36MB        (1) 1M x 36    (1) 8M x 36       None           None

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

     40MB        (1) 1M x 36    (1) 1M x 36    (1) 8M x 36       None

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

     48MB        (1) 4M x 36    (1) 4M x 36    (1) 4M x 36       None

     48MB        (1) 4M x 36    (1) 8M x 36       None           None

     48MB        (1) 2M x 36    (1) 2M x 36    (1) 4M x 36   (1) 4M x 36

     48MB        (1) 2M x 36    (1) 2M x 36    (1) 8M x 36       None

     64MB        (1) 4M x 36    (1) 4M x 36    (1) 4M x 36   (1) 4M x 36

     64MB        (1) 16M x 36      None           None           None

     64MB        (1) 4M x 36    (1) 4M x 36    (1) 8M x 36       None

     64MB        (1) 8M x 36    (1) 8M x 36       None           None

     65MB         (1) 256K x    (1) 16M x 36      None           None
                     36

     68MB        (1) 1M x 36    (1) 16M x 36      None           None

     68MB        (1) 1M x 36    (1) 8M x 36    (1) 8M x 36       None

     72MB        (1) 1M x 36    (1) 1M x 36     (1) 16M x        None
                                                   36

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

     80MB        (1) 4M x 36    (1) 16M x 36      None           None

     80MB        (1) 4M x 36    (1) 8M x 36    (1) 8M x 36       None

     80MB        (1) 2M x 36    (1) 2M x 36    (1) 8M x 36   (1) 8M x 36

     96MB        (1) 4M x 36    (1) 4M x 36     (1) 16M x        None
                                                   36

     96MB        (1) 4M x 36    (1) 4M x 36    (1) 8M x 36   (1) 8M x 36

     96MB        (1) 8M x 36    (1) 8M x 36    (1) 8M x 36       None

     128MB       (1) 16M x 36   (1) 16M x 36      None           None

     128MB       (1) 8M x 36    (1) 8M x 36    (1) 8M x 36   (1) 8M x 36

                            CACHE CONFIGURATION

       Size              Bank 0            Bank 1              TAG

       128KB          (4) 32K x 8           None            (1) 8K x 8

     256KB (A)        (4) 32K x 8        (4) 32K x 8     (1) 16K/32K x 8

     256KB (B)        (4) 64K x 8           None         (1) 16K/32K x 8

       512KB          (4) 128K x 8          None           (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

      Size             JP1                 JP3                JP33

     128KB          Pins 1 & 2       Pins 1 & 2, 3 &    Pins 2 & 3 closed
                      closed            4 closed

   256KB (A)        Pins 2 & 3       Pins 2 & 3, 4 &    Pins 2 & 3 closed
                      closed            5 closed

   256KB (B)        Pins 1 & 2       Pins 1 & 2, 3 &    Pins 1 & 2 closed
                      closed            4 closed

     512KB          Pins 1 & 2       Pins 1 & 2, 3 &    Pins 2 & 3 closed
                      closed            4 closed

                      CACHE TAG JUMPER CONFIGURATION

   Cache size         TAG size             JP2                 JP4

      128KB          (1) 8K x 8         Pins 1 & 2      Pins 1 & 2 closed
                                         closed

    256KB (A)       (1) 16K x 8         Pins 3 & 4            Open
                                         closed

    256KB (B)       (1) 32K x 8         Pins 2 & 3      Pins 1 & 2 closed
                                         closed

      512KB         (1) 32K x 8         Pins 2 & 3      Pins 2 & 3 closed
                                         closed

       CPU SPEED SELECTION (AV9107)

   Speed      JP5        JP6        JP7

   20MHz     Closed      Open     Closed

   25MHz     Closed     Closed     Open

   33MHz      Open      Closed    Closed

   40MHz     Closed      Open      Open

  50iMHz     Closed     Closed     Open

   50MHz      Open       Open     Closed

  66iMHz      Open      Closed    Closed

  75iMHz     Closed     Closed     Open

  80iMHz     Closed      Open      Open

  100iMHz     Open      Closed    Closed

       CPU SPEED SELECTION (MX8315)

   Speed      JP5        JP6        JP7

   20MHz      Open       Open      Open

   25MHz      Open      Closed     Open

   33MHz     Closed     Closed    Closed

   40MHz      Open      Closed    Closed

  50iMHz      Open      Closed     Open

   50MHz     Closed      Open      Open

  66iMHz     Closed     Closed    Closed

  75iMHz      Open      Closed     Open

  80iMHz      Open      Closed    Closed

  100iMHz    Closed     Closed    Closed

                            CPU TYPE SELECTION

         Type              JP8         JP10         JP11         JP12

        CX486S            2 & 3       2 & 3         Open       2 & 3, 4 &
                                                                   5

        UMC U5           1 & 2, 3     2 & 3      1 & 2, 3 &      Open
                           & 4                       4

        80486SX           2 & 3       2 & 3         Open         Open

       SL80486SX          2 & 3       2 & 3         Open         Open

  (SL)AM486DX (PLUS)     1 & 2, 3     2 & 3        3 & 4         3 & 4
                           & 4

        CX486DX          1 & 2, 3     2 & 3        3 & 4         2 & 3
                           & 4

        80486DX          1 & 2, 3     2 & 3        3 & 4         3 & 4
                           & 4

       SL80486DX         1 & 2, 3     2 & 3        3 & 4         3 & 4
                           & 4

       CX486DX2          1 & 2, 3     2 & 3        3 & 4         2 & 3
                           & 4

  CX486DX2-66 (3.6v)     1 & 2, 3     2 & 3        3 & 4         2 & 3
                           & 4

   CX486DX2-80 (4v)      1 & 2, 3     2 & 3        3 & 4         2 & 3
                           & 4

   AM486DX2 (3.45v)      1 & 2, 3     2 & 3        3 & 4         Open
                           & 4

       80486DX2          1 & 2, 3     2 & 3        3 & 4         3 & 4
                           & 4

  (SL)AM486DX2 (PLUS)    1 & 2, 3     2 & 3        3 & 4         3 & 4
                           & 4

      SL80486DX2         1 & 2, 3     2 & 3        3 & 4         3 & 4
                           & 4

   AM486DX4 (3.45v)      1 & 2, 3     2 & 3        3 & 4         Open
                           & 4

       80486DX4          1 & 2, 3     2 & 3        3 & 4         3 & 4
                           & 4

         P24D            1 & 2, 3     1 & 2        3 & 4       1 & 2, 3 &
                           & 4                                     4

         P24T            1 & 2, 3     1 & 2        2 & 3         3 & 4
                           & 4

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

        Type            JP13       JP14      JP15       JP21       JP22

       CX486S           Open      1 & 2,     2 & 3     1 & 2      2 & 3
                                  3 & 4

       UMC U5           Open       Open      Open      1 & 2      2 & 3

       80486SX          1 & 2     2 & 3      4 & 5     2 & 3      1 & 2

      SL80486SX         1 & 2     2 & 3      4 & 5     2 & 3      1 & 2

       CX486DX          Open      1 & 2      2 & 3     1 & 2      2 & 3

       80486DX          1 & 2     2 & 3      4 & 5     2 & 3      1 & 2

      SL80486DX         1 & 2     2 & 3      4 & 5     2 & 3      1 & 2

  (SL)AM486DX (PLUS)    4 & 5     2 & 3      4 & 5     1 & 2      1 & 2

      CX486DX2          Open      1 & 2      2 & 3     1 & 2      2 & 3

  CX486DX2-66 (3.6v)    Open      1 & 2      2 & 3     1 & 2      2 & 3

  CX486DX2-80 (4v)      Open      1 & 2      2 & 3     1 & 2      2 & 3

  AM486DX2 (3.45v)      Open       Open      Open      2 & 3      1 & 2

      80486DX2          1 & 2     2 & 3      4 & 5     2 & 3      1 & 2

     (SL)AM486DX2       4 & 5     2 & 3      4 & 5     1 & 2      1 & 2
       (PLUS)

     SL80486DX2         1 & 2     2 & 3      4 & 5     2 & 3      1 & 2

  AM486DX4 (3.45v)      Open       Open      Open      1 & 2      2 & 3

      80486DX4          1 & 2     2 & 3      4 & 5     2 & 3      1 & 2

        P24D            2 & 3     2 & 3      4 & 5     1 & 2      1 & 2

        P24T            Open      2 & 3      1 & 2     1 & 2      1 & 2

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

         Type              JP24         JP25         JP30         JP31

        CX486S            2 & 3         2 & 3        Open         Open

        UMC U5            3 & 4         Open         Open         Open

        80486SX            Open         Open         Open         Open

       SL80486SX           Open         Open         Open         Open

        CX486DX           2 & 3         2 & 3        Open         Open

        80486DX            Open         Open         Open         Open

       SL80486DX           Open         Open         Open         Open

  (SL)AM486DX (PLUS)       Open         1 & 2        Open         2 & 3

       CX486DX2           2 & 3         2 & 3        Open         Open

  CX486DX2-66 (3.6v)      2 & 3         2 & 3        Open         Open

   CX486DX2-80 (4v)       2 & 3         2 & 3        Open         Open

   AM486DX2 (3.45v)        Open         Open         2 & 3        Open

       80486DX2            Open         Open         Open         Open

  (SL)AM486DX2 (PLUS)      Open         1 & 2        Open         2 & 3

      SL80486DX2           Open         Open         Open         Open

   AM486DX4 (3.45v)        Open         Open         Open         Open

       80486DX4            Open         Open         Open         Open

         P24D              Open         1 & 2        1 & 2        1 & 2

         P24T             1 & 2         1 & 2        Open         Open

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

        Type             JP34          JP35         JP36          JP38

       CX486S            1 & 2        Closed        Open          Open

       UMC U5            2 & 3        Closed        Open          Open

       80486SX           1 & 2         Open         Open         1 & 2

      SL80486SX          1 & 2         Open         Open         1 & 2

       CX486DX           1 & 2        Closed        Open          Open

       80486DX           1 & 2        Closed        Open          Open

      SL80486DX          1 & 2        Closed        Open          Open

  (SL)AM486DX (PLUS)     1 & 2        Closed        Open          Open

      CX486DX2           1 & 2        Closed        Open          Open

  CX486DX2-66 (3.6v)     1 & 2         Open         1 & 2         Open

  CX486DX2-80 (4v)       1 & 2         Open         2 & 3         Open

  AM486DX2 (3.45v)       Open          Open         Open         2 & 3

      80486DX2           1 & 2        Closed        Open          Open

  (SL)AM486DX (PLUS)     1 & 2        Closed        Open          Open

     SL80486DX2          1 & 2        Closed        Open          Open

  AM486DX4 (3.45v)       Open          Open         Open         1 & 2

      80486DX4           1 & 2         Open         Open         1 & 2

        P24D             1 & 2        Closed        Open          Open

        P24T             1 & 2        Closed        Open          Open

  Note: Pins designated should be in the closed position.

                        VL BUS WAIT STATE SELECTION

               Setting                                JP28

                    0                          Pins 1 & 2 closed

                   1                          Pins 2 & 3 closed

                          VL BUS SPEED SELECTION

                Setting                                JP29

                  <= 33MHz                      Pins 1 & 2 closed

                 >33 MHz                       Pins 2 & 3 closed

