
UNIDENTIFIED

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Processor   AM486SX/80486SX/CX486M7/AM486DX/80486DX/AM486DX2/80486DX2/
            80486DX4/Pentium Overdrive
Processor   25/33/40/50(internal)/66(internal)/100(internal)MHz
Speed
Chip Set    ALI
Max.        256MB
Onboard
DRAM
Cache       128/256/512/1024KB
BIOS        Phoenix
Dimensions  330mm x 218mm
I/O Options 32-bit VESA local bus slots (3), 32-bit PCI slots (4), green PC
            connector
NPU Options None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  Auxiliary keyboard         CN1       Green PC monitor           JG2
  connector                            power

  External battery           CN2       Green PC VGA H-sync        JG3

  Power LED & keylock        J1        Green PC VGA V-sync        JG4

  Speaker                    J2        Green PC connector         JG9

  Reset switch               J3        Ring in signal            JG10
                                       connector

  Turbo switch               J4        32-bit PCI slots        PC1 - PC4

  Turbo LED                  J5        32-bit VESA local       SL1 - SL3
                                       bus slots

  Green PC power fan         JG1

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             JC1              N/A
      alter

     Factory configured - do not             JC14             N/A
      alter

     Factory configured - do not             JG8              N/A
      alter

                            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

     3MB        (1) 256K x     (1) 256K x     (1) 256K x        NONE
                    36             36             36

     3MB        (1) 512K x        NONE        (1) 256K x        NONE
                    36                            36

     4MB        (1) 256K x     (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

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

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

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

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

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

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

     7MB       (1) 1M x 36     (1) 256K x     (1) 512K x        NONE
                                   36             36

     7MB       (1) 1M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

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

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

     10MB      (1) 1M x 36    (1) 1M x 36     (1) 512K x        NONE
                                                  36

     10MB       (1) 512K x        NONE       (1) 2M x 36        NONE
                    36

     10MB       (1) 512K x        NONE       (1) 1M x 36     (1) 1M x 36
                    36

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

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

     13MB      (1) 1M x 36     (1) 256K x    (1) 2M x 36        NONE
                                   36

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

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

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

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

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

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

     19MB      (1) 4M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

     19MB      (1) 4M x 36     (1) 256K x     (1) 512K x        NONE
                                   36             36

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

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

     21MB      (1) 4M x 36    (1) 1M x 36     (1) 256K x        NONE
                                                  36

     22MB      (1) 4M x 36    (1) 1M x 36     (1) 256K x    (1) 256K x 36
                                                  36

     22MB      (1) 4M x 36    (1) 1M x 36     (1) 512K x        NONE
                                                  36

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

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

     25MB      (1) 4M x 36     (1) 256K x    (1) 2M x 36        NONE
                                   36

     25MB      (1) 2M x 36        NONE       (1) 4M x 36    (1) 256K x 36

                        DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     28MB       (1) 4M x 36   (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

     28MB       (1) 4M x 36   (1) 1M x 36    (1) 2M x 36        NONE

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

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

     33MB       (1) 4M x 36   (1) 4M x 36     (1) 256K x        NONE
                                                  36

     34MB       (1) 4M x 36   (1) 4M x 36     (1) 256K x    (1) 256K x 36
                                                  36

     34MB       (1) 4M x 36   (1) 4M x 36     (1) 512K x        NONE
                                                  36

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

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

     37MB       (1) 4M x 36   (1) 4M x 36    (1) 1M x 36    (1) 256K x 36

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

     40MB       (1) 8M x 36       NONE       (1) 2M x 36        NONE

     40MB       (1) 4M x 36   (1) 4M x 36    (1) 2M x 36        NONE

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

     49MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36    (1) 256K x 36

     52MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36     (1) 1M x 36

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

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

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

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

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

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

     66MB        (1) 16M x     (1) 256K x     (1) 256K x        NONE
                    36             36             36

     67MB        (1) 16M x     (1) 256K x     (1) 512K x        NONE
                    36             36             36

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

     70MB        (1) 16M x    (1) 1M x 36     (1) 256K x    (1) 256K x 36
                    36                            36

     70MB        (1) 16M x    (1) 1M x 36     (1) 512K x        NONE
                    36                            36

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

     73MB        (1) 16M x    (1) 1M x 36    (1) 1M x 36    (1) 256K x 36
                    36

     76MB        (1) 16M x    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36
                    36

     76MB        (1) 16M x    (1) 1M x 36    (1) 2M x 36        NONE
                    36

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

     84MB        (1) 16M x    (1) 4M x 36    (1) 1M x 36        NONE
                    36

     84MB        (1) 16M x    (1) 1M x 36    (1) 4M x 36        NONE
                    36

     85MB        (1) 16M x    (1) 1M x 36    (1) 4M x 36    (1) 256K x 36
                    36

     88MB        (1) 16M x    (1) 4M x 36    (1) 2M x 36        NONE
                    36

     88MB        (1) 16M x    (1) 1M x 36    (1) 4M x 36     (1) 1M x 36
                    36

     88MB        (1) 16M x    (1) 4M x 36    (1) 1M x 36     (1) 1M x 36
                    36

     88MB        (1) 16M x    (1) 4M x 36    (1) 2M x 36        NONE
                    36

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

     100MB       (1) 16M x    (1) 4M x 36    (1) 4M x 36     (1) 1M x 36
                    36

     112MB       (1) 16M x    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36
                    36

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

     160MB       (1) 16M x    (1) 16M x 36   (1) 8M x 36        NONE
                    36

     256MB       (1) 16M x    (1) 16M x 36   (1) 16M x 36   (1) 16M x 36
                    36

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

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

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

   256KB (B)      (4) 64K x 8        NONE        (1) 32K x 8

     512KB        (4) 64K x 8     (4) 64K x 8    (1) 64K x 8

      1MB        (4) 128K x 8    (4) 128K x 8    (1) 128K x 8

                        CACHE JUMPER CONFIGURATION

    Size           JS1            JS2            JS3             JS4

    128KB       pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

  256KB (A)     pins 2 & 4     pins 2 & 3     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

  256KB (B)     pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

    512KB       pins 3 & 5     pins 2 & 3     pins 2 & 3      pins 1 & 2
                 closed          closed         closed         closed

     1MB        pins 4 & 6     pins 2 & 3     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

                          CPU TYPE CONFIGURATION

        Type             JC2          JC3           JC4           JC5

   AM486SX-25/33      pins 1 & 2   pins 1 & 2    pins 2 & 3    pins 2 & 3
                       closed        closed       closed        closed

     AM486SX-40       pins 1 & 2   pins 1 & 2    pins 2 & 3    pins 2 & 3
                       closed        closed       closed        closed

   80486SX-25/33      pins 1 & 2   pins 1 & 2    pins 2 & 3    pins 2 & 3
                       closed        closed       closed        closed

     80486SX-40       pins 1 & 2   pins 1 & 2    pins 2 & 3    pins 2 & 3
                       closed        closed       closed        closed

      CX486M7         pins 1 & 2   pins 2 & 3    pins 2 & 3    pins 2 & 3
                       closed        closed       closed        closed

     AM486DX-33       pins 1 & 2   pins 1 & 2    pins 2 & 3    pins 2 & 3
                       closed        closed       closed        closed

   AM486DX-40/50      pins 1 & 2   pins 1 & 2    pins 2 & 3    pins 2 & 3
                       closed        closed       closed        closed

     80486DX-33       pins 1 & 2   pins 1 & 2    pins 2 & 3    pins 2 & 3
                       closed        closed       closed        closed

   80486DX-40/50      pins 1 & 2   pins 1 & 2    pins 2 & 3    pins 2 & 3
                       closed        closed       closed        closed

      AM486DX2        pins 1 & 2   pins 1 & 2    pins 1 & 2    pins 1 & 2
                       closed        closed       closed        closed

      80486DX2        pins 1 & 2   pins 1 & 2    pins 1 & 2    pins 1 & 2
                       closed        closed       closed        closed

      80486DX4        pins 1 & 2   pins 1 & 2    pins 1 & 2    pins 1 & 2
                       closed        closed       closed        closed

        P24T          pins 2 & 3   pins 1 & 2    pins 1 & 2    pins 1 & 2
                       closed        closed       closed        closed

                      CPU TYPE CONFIGURATION (CONT)

      Type            JC7           JC9           JC10           JC11

  AM486SX-25/33    3 & 4, 5 &      2 & 3         1 & 2           Open
                       6

   AM486SX-40      3 & 4, 5 &      2 & 3         1 & 2           Open
                       6

  80486SX-25/33    3 & 4, 5 &      2 & 3         1 & 2           Open
                       6

   80486SX-40      3 & 4, 5 &      2 & 3         1 & 2           Open
                       6

     CX486M7       3 & 4, 5 &    1 & 2, 3 &      1 & 2          2 & 3
                       6             4

   AM486DX-33      3 & 4, 5 &    1 & 2, 3 &      1 & 2          2 & 3
                       6             4

  AM486DX-40/50    3 & 4, 5 &    1 & 2, 3 &      1 & 2          2 & 3
                       6             4

   80486DX-33      3 & 4, 5 &    1 & 2, 3 &      1 & 2          2 & 3
                       6             4

  80486DX-40/50    3 & 4, 5 &    1 & 2, 3 &      1 & 2          2 & 3
                       6             4

    AM486DX2       1 & 2, 3 &    1 & 2, 3 &      1 & 2          2 & 3
                       4             4

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

      Type         JC12    JC13   JC15    JC16    JC17    JC19     JC20

  AM486SX-25/33     1 &    Open    2 &    2 &     Open    Open     Open
                    2              3       3

   AM486SX-40       1 &    Open    2 &    2 &     Open    Open     Open
                    2              3       3

  80486SX-25/33     1 &    Open    2 &    2 &     Open    Open     Open
                    2              3       3

   80486SX-40       1 &    Open    2 &    2 &     Open    Open     Open
                    2              3       3

     CX486M7        1 &    2 &     2 &    2 &     Open    Open    Closed
                    2       3      3       3

   AM486DX-33       1 &    Open    2 &    2 &     Open    Open     Open
                    2              3       3

  AM486DX-40/50     1 &    Open    2 &    2 &     Open    Open     Open
                    2              3       3

   80486DX-33       1 &    Open    2 &    2 &     Open    Open     Open
                    2              3       3

  80486DX-40/50     1 &    Open    2 &    2 &     Open    Open     Open
                    2              3       3

    AM486DX2        1 &    Open    1 &    1 &     Open    Open     Open
                    2              2       2

    80486DX2        1 &    Open    1 &    1 &     Open    Open     Open
                    2              2       2

    80486DX4        1 &    Open    1 &    1 &     Open   Closed    Open
                    2              2       2

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

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

      Type         JC21     JC22    JC23    JC24    JC25    JC26    JC27

  AM486SX-25/33    Open     Open    1 & 2   1 & 2   1 & 2   1 & 2   1 & 2

   AM486SX-40      Open     Open    1 & 2   1 & 2   1 & 2   1 & 2   2 & 3

  80486SX-25/33    Open     Open    1 & 2   1 & 2   1 & 2   1 & 2   1 & 2

   80486SX-40      Open     Open    1 & 2   1 & 2   1 & 2   1 & 2   2 & 3

     CX486M7      Closed    1 & 2   1 & 2   1 & 2   1 & 2   1 & 2   1 & 2

   AM486DX-33      Open     Open    1 & 2   1 & 2   1 & 2   1 & 2   1 & 2

  AM486DX-40/50    Open     Open    1 & 2   1 & 2   1 & 2   1 & 2   2 & 3

   80486DX-33      Open     Open    1 & 2   1 & 2   1 & 2   1 & 2   1 & 2

  80486DX-40/50    Open     Open    1 & 2   1 & 2   1 & 2   1 & 2   2 & 3

    AM486DX2       Open     Open    1 & 2   1 & 2   1 & 2   1 & 2   1 & 2

    80486DX2       Open     Open    1 & 2   1 & 2   1 & 2   1 & 2   1 & 2

    80486DX4       Open     2 & 3   2 & 3   2 & 3   2 & 3   Open    1 & 2

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

  Note: Pins designated should be in the closed position.

                          CPU SPEED CONFIGURATION

   Speed      JF1        JF2       JF3        JG5        JG6       JG7

   25MHz     2 & 3      1 & 2     2 & 3      Open      Closed      Open

   33MHz     1 & 2      2 & 3     2 & 3     Closed      Open       Open

   40MHz     2 & 3      2 & 3     1 & 2      Open       Open      Closed

  50iMHz     2 & 3      1 & 2     2 & 3      Open      Closed      Open

  66iMHz     1 & 2      2 & 3     2 & 3     Closed      Open       Open

  100iMHz    1 & 2      2 & 3     2 & 3     Closed      Open       Open

  Note: Pins designated should be in the closed position.

                         CPU VOLTAGE CONFIGURATION

         Voltage                   JX1                      JX2

          3.3v              pins 1 & 2 closed               Open

          3.45v             pins 2 & 3 closed               N/A

           5v                      N/A                pins 1 & 2, 3 & 4
                                                           closed

