
UNIDENTIFIED

PM486GA VESA

Processor  CX486M6/TI486/(IBM)BlueLightening/AM486SX/80486SX/80487SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/80486DX2/P4S/P23S/P24S/

           Pentium Overdrive
Processor  25/33/40/50(internal)/50/66(internal)/80(internal)MHz
Speed
Chip Set   ALI
Max.       128MB
Onboard
DRAM
Cache      64/128/256/512/1024KB
BIOS       AMI/Phoenix
Dimensions 254mm x 218mm
I/O        32-bit VESA local bus slots (3), green PC connector
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  External battery             J4       Turbo switch              JP40

  Green PC connector          JP12      Speaker                   JP41

  Ring in signal              JP13      Power LED & keylock       JP42
  connector

  Reset switch                JP38      32-bit VESA local      SL1 - SL3
                                        bus slots

  Turbo LED                   JP39

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation            CN1             Closed

      CMOS memory clear                       CN1              Open

     Factory configured - do not             JP1              N/A
      alter

     Monitor type select color               JP7           pins 2 & 3
                                                              closed

      Monitor type select monochrome          JP7           pins 1 & 2
                                                              closed

     Green PC enabled                        JP10            Closed

      Green PC disabled                       JP10             Open

     ADS speed select > 33MHz                JP43          pins 2 & 3
                                                              closed

      ADS speed select <= 33MHz               JP43          pins 1 & 2
                                                              closed

                        DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       1MB         (4) 256K x 9         NONE            NONE

       1MB             NONE        (1) 256K x 36        NONE

       2MB         (4) 256K x 9         NONE        (1) 256K x 36

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

       4MB          (4) 1M x 9          NONE            NONE

       4MB             NONE         (1) 1M x 36         NONE

       5MB         (4) 256K x 9         NONE         (1) 1M x 36

       5MB          (4) 1M x 9          NONE        (1) 256K x 36

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

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

       8MB          (4) 1M x 9          NONE         (1) 1M x 36

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

       8MB             NONE         (1) 2M x 36         NONE

       9MB         (4) 256K x 9         NONE         (1) 2M x 36

       9MB             NONE        (1) 256K x 36     (1) 2M x 36

       9MB             NONE         (1) 2M x 36     (1) 256K x 36

      12MB          (4) 1M x 9          NONE         (1) 2M x 36

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

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

      16MB          (4) 4M x 9          NONE            NONE

      16MB             NONE         (1) 4M x 36         NONE

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

      17MB         (4) 256K x 9         NONE         (1) 4M x 36

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

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

      20MB          (4) 1M x 9          NONE         (1) 4M x 36

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

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

      20MB          (4) 4M x 9          NONE         (1) 1M x 36

      24MB          (4) 4M x 9          NONE         (1) 2M x 36

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

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

                    DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1          Bank 2

      32MB          (4) 4M x 9          NONE         (1) 4M x 36

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

      64MB         (4) 16M x 9          NONE            NONE

      65MB         (4) 16M x 9          NONE        (1) 256K x 36

      68MB         (4) 16M x 9          NONE         (1) 1M x 36

      72MB         (4) 16M x 9          NONE         (1) 2M x 36

      80MB         (4) 16M x 9          NONE         (1) 4M x 36

      128MB        (4) 16M x 9      (1) 8M x 36      (1) 8M x 36

                         DRAM JUMPER CONFIGURATION

      Type          JP11A          JP11B         JP11C          JP11D

   Double side    1 & 2, 3 &       1 & 2         1 & 2          1 & 2
      SIMM            4

   Single side      2 & 3          2 & 3         2 & 3          2 & 3
      SIMM

  Note: Pins designated should be in the closed position.

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

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

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

     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          JP16          JP17           JP18            JP30

     32KB          2 & 3         2 & 3          Open            Open

     64KB          1 & 2         1 & 2          Open            1 & 2

    128KB          1 & 2         2 & 3         Closed       1 & 2, 3 & 4

  256KB (A)        1 & 2         1 & 2         Closed       1 & 2, 3 & 4,
                                                                5 & 6

  256KB (B)        1 & 2         1 & 2         Closed       1 & 2, 3 & 4,
                                                                5 & 6

    512KB          1 & 2         1 & 2         Closed       1 & 2, 3 & 4,
                                                                5 & 6

     1MB           1 & 2         1 & 2         Closed       1 & 2, 3 & 4,
                                                                5 & 6

  Note: Pins designated should be in the closed position.

                    CACHE JUMPER CONFIGURATION (CONT)

      Size             JP31                JP32               JP33

      32KB             Open             pins 1 & 2            Open
                                          closed

      64KB             Open             pins 1 & 2            Open
                                          closed

     128KB             Open             pins 1 & 2            Open
                                          closed

   256KB (A)           Open             pins 1 & 2            Open
                                          closed

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

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

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

                          CPU TYPE CONFIGURATION

      Type          JP4         JP5          JP6         JP9       JP14

     AM486SX        Open        Open        Open        Open       Open

     80486SX        Open        Open        Open        Open       Open

     80487SX        Open        Open        Open        Open       Open

     CX486DX        Open        Open       Closed       5 & 6     2 & 4

   AM486DX-33       Open        Open        Open        Open       Open

  AM486DX-40/50     Open        Open        Open        Open       Open

   80486DX-33       Open        Open        Open        Open       Open

  80486DX-40/50     Open        Open        Open        Open       Open

    CX486DX2        Open        Open       Closed       5 & 6     2 & 4

    AM486DX2        Open        Open        Open        Open       Open

    80486DX2        Open        Open        Open        Open       Open

       P4S          Open        Open        Open        Open      1 & 2

      P23S          Open        Open        Open        Open      1 & 2

      P24S          Open        Open        Open        Open      1 & 2

      P24T          Open       Closed       Open        Open      1 & 2

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

      Type         JP15     JP19      JP20     JP21      JP22      JP23

     AM486SX       Open     Open     1 & 2    2 & 3      Open      1 & 2

     80486SX       Open     Open     1 & 2    2 & 3      Open      1 & 2

     80487SX       Open     1 & 2    1 & 2    1 & 2      Open      2 & 3

     CX486DX       2 & 4    Open     1 & 2    1 & 2      Open      1 & 2

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

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

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

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

    CX486DX2       2 & 4    Open     1 & 2    1 & 2      Open      1 & 2

    AM486DX2       Open     2 & 3    1 & 2    2 & 3      Open      2 & 3

    80486DX2       Open     2 & 3    1 & 2    2 & 3      Open      2 & 3

       P4S         1 & 2    2 & 3    1 & 2    1 & 2      Open      2 & 3

      P23S         1 & 2    Open     1 & 2    1 & 2      Open      1 & 2

      P24S         1 & 2    2 & 3    1 & 2    1 & 2      Open      2 & 3

      P24T         1 & 2    1 & 2    2 & 3    1 & 2     Closed     2 & 3

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

      Type        JP24     JP25      JP26      JP27      JP28      JP29

     AM486SX      Open     Open     Closed     Open     Closed     Open

     80486SX      Open     Open     Closed     Open     Closed     Open

     80487SX      Open     Open     Closed     Open     Closed     Open

     CX486DX      1 & 2   Closed     Open      Open     Closed    Closed

   AM486DX-33     Open     Open     Closed     Open     Closed     Open

  AM486DX-40/50   Open     Open     Closed     Open     Closed    Closed

   80486DX-33     Open     Open     Closed     Open     Closed     Open

  80486DX-40/50   Open     Open     Closed     Open     Closed    Closed

    CX486DX2      1 & 2   Closed     Open      Open     Closed     Open

    AM486DX2      Open     Open     Closed     Open     Closed     Open

    80486DX2      Open     Open     Closed     Open     Closed     Open

       P4S        2 & 3    Open     Closed    Closed    Closed     Open

      P23S        2 & 3    Open     Closed    Closed    Closed     Open

      P24S        2 & 3    Open     Closed    Closed    Closed     Open

      P24T        2 & 3    Open     Closed     Open     Closed     Open

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

            Type                      JP9                    JP28

           TI 486               pins 1 & 2, 5 & 6             N/A
                                     closed

    IBM Blue Lightening         pins 1 & 2, 3 & 4             N/A
                                     closed

          CX486M6                     N/A                    Open

  Note: These are alternate jumper settings for the above CPU types.

                          CPU SPEED CONFIGURATION

    Speed          JP3             JP8            JP34           JP35

    25MHz       pins 1 & 2    pins 1 & 2, 5    pins 1 & 2     pins 1 & 2
                 closed        & 6 closed        closed         closed

    33MHz       pins 1 & 2    pins 1 & 2, 3    pins 1 & 2     pins 1 & 2
                 closed        & 4 closed        closed         closed

    40MHz       pins 2 & 3    pins 3 & 4, 5    pins 2 & 3     pins 2 & 3
                 closed        & 6 closed        closed         closed

   50iMHz       pins 1 & 2    pins 1 & 2, 5    pins 1 & 2     pins 1 & 2
                 closed        & 6 closed        closed         closed

    50MHz       pins 2 & 3    pins 1 & 2, 5    pins 2 & 3     pins 2 & 3
                 closed        & 6 closed        closed         closed

   66iMHz       pins 1 & 2    pins 1 & 2, 3    pins 1 & 2     pins 1 & 2
                 closed        & 4 closed        closed         closed

   80iMHz       pins 2 & 3    pins 3 & 4, 5    pins 2 & 3     pins 2 & 3
                 closed        & 6 closed        closed         closed

                      VL BUS WAIT STATE CONFIGURATION

              Wait states                             JP36

              0 wait states                    pins 1 & 2 closed

               1 wait state                    pins 2 & 3 closed

                        VL BUS SPEED CONFIGURATION

               CPU speed                              JP37

                 <= 33MHz                      pins 2 & 3 closed

                 > 33MHz                       pins 1 & 2 closed

           GREEN PC CONFIGURATION

       Setting                 J5

       Reserved         pins 1 & 2 closed

  Chassis fan power     pins 3 & 4 closed

    Monitor power       pins 5 & 6 closed

     VGA H-synch        pins 7 & 8 closed

     VGA V-synch       pins 9 & 10 closed

