
ACHME COMPUTER, INC.

MS-4134

Processor   AM486SX/80486SX/SL80486SX/CX486M7/AM486DX/80486DX/SL80486DX/
            AM486DX2/80486DX2/SL80486DX2
Processor   25/33/40/50(internal)/66(internal)MHz
Speed
Chip Set    ALI
Max.        128MB
Onboard
DRAM
Cache       128/256KB
BIOS        Award/Phoenix
Dimensions  270mm x 220mm
I/O Options 32-bit VESA local bus slots (2), 32-bit PCI slots (3), green PC
            connector
NPU Options None

[Image]

                                CONNECTIONS

  Purpose                 Location       Purpose             Location

  External battery           JB          Speaker           JP10 pins 7 -
                                                                10

  Green PC connector         JG1         Turbo LED         JP10 pins 12 &
                                                                13

  Green PC connector         JG2         Turbo switch      JP10 pins 15 -
  (monitor)                                                     17

  Green PC LED               JG3         Reset switch      JP10 pins 19 &
                                                                20

  Chassis fan power          JP9         32-bit PCI          PC1 - PC3
                                         slots

  Power LED & keylock   JP10 pins 1 -    32-bit VESA         SL1 & SL2
                              5          bus slots

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Battery type select internal             JB           pins 2 & 3
                                                              closed

      Battery type select external             JB             Closed

     PCI slot 1 SCSI controller              JP6           pins 2 & 3
      select NCR 53C810 only                                  closed

      PCI slot 1 SCSI controller              JP6           pins 1 & 2
      select any controller installed                         closed

     BIOS type select EPROM                  JP20             Open

      BIOS type select 5v flash               JP20          pins 2 & 3
                                                              closed

      BIOS type select 12v flash              JP20          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             NONE        (1) 512K x 36        NONE

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

       3MB         (4) 256K x 9    (1) 256K x 36    (1) 256K x 36

       4MB          (4) 1M x 9          NONE            NONE

       4MB             NONE         (1) 1M x 36         NONE

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

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

       6MB          (4) 1M x 9     (1) 256K x 36    (1) 256K x 36

       8MB             NONE         (1) 2M x 36         NONE

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

       9MB         (4) 256K x 9     (1) 1M x 36      (1) 1M x 36

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

      12MB          (4) 1M x 9      (1) 1M x 36      (1) 1M x 36

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

      16MB          (4) 4M x 9          NONE            NONE

      16MB             NONE         (1) 4M x 36         NONE

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

      17MB         (4) 256K x 9     (1) 2M x 36      (1) 2M x 36

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

      18MB          (4) 4M x 9     (1) 256K x 36    (1) 256K x 36

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

      20MB          (4) 1M x 9      (1) 2M x 36      (1) 2M x 36

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

      24MB          (4) 4M x 9      (1) 1M x 36      (1) 1M x 36

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

      32MB             NONE         (1) 8M x 36         NONE

      32MB          (4) 4M x 9      (1) 2M x 36      (1) 2M x 36

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

      33MB         (4) 256K x 9     (1) 4M x 36      (1) 4M x 36

      33MB         (4) 256K x 9     (1) 8M x 36         NONE

      36MB          (4) 1M x 9      (1) 4M x 36      (1) 4M x 36

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

                    DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1          Bank 2

      48MB          (4) 4M x 9      (1) 4M x 36      (1) 4M x 36

      48MB          (4) 4M x 9      (1) 8M x 36         NONE

      64MB         (4) 16M x 9          NONE            NONE

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

      65MB         (4) 256K x 9     (1) 8M x 36      (1) 8M x 36

      66MB         (4) 16M x 9     (1) 256K x 36    (1) 256K x 36

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

      68MB          (4) 1M x 9      (1) 8M x 36      (1) 8M x 36

      72MB         (4) 16M x 9      (1) 1M x 36      (1) 1M x 36

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

      80MB         (4) 16M x 9      (1) 2M x 36      (1) 2M x 36

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

      80MB          (4) 4M x 9      (1) 8M x 36      (1) 8M x 36

      96MB         (4) 16M x 9      (1) 4M x 36      (1) 4M x 36

      96MB         (4) 16M x 9      (1) 8M x 36         NONE

      128MB        (4) 16M x 9      (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) 32K x 8

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

                  CACHE JUMPER CONFIGURATION

        Size                 JS1                  JS2

        128KB          pins 1 & 2 closed   pins 2 & 3 closed

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

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

                          CPU TYPE CONFIGURATION

        Type               JC1               JC4               JC6

      AM486SX           pins 2 & 3        pins 2 & 3        pins 2 & 3
                          closed            closed            closed

      80486SX           pins 2 & 3        pins 2 & 3        pins 2 & 3
                          closed            closed            closed

     SL80486SX          pins 2 & 3        pins 3 & 4        pins 2 & 3
                          closed            closed            closed

      CX486M7         pins 1 & 2, 3 &    1 & 2, 3 & 4       pins 2 & 4
                         4 closed                             closed

      AM486DX         pins 1 & 2, 3 &     pins 2 & 3        pins 2 & 3
                         4 closed           closed            closed

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

     SL80486DX        pins 1 & 2, 3 &     pins 3 & 4        pins 2 & 3
                         4 closed           closed            closed

      AM486DX2        pins 1 & 2, 3 &     pins 2 & 3        pins 2 & 3
                         4 closed           closed            closed

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

     SL80486DX2       pins 1 & 2, 3 &     pins 3 & 4        pins 2 & 3
                         4 closed           closed            closed

                      CPU TYPE CONFIGURATION (CONT)

      Type            JC7            JC8          JC11           JC13

     AM486SX       pins 2 & 3     pins 2 & 3      Open        pins 1 & 2
                     closed        closed                       closed

     80486SX       pins 2 & 3     pins 2 & 3      Open        pins 1 & 2
                     closed        closed                       closed

    SL80486SX      pins 2 & 3     pins 2 & 3      Open        pins 1 & 2
                     closed        closed                       closed

     CX486M7       pins 2 & 4     pins 1 & 2    pins 3 & 6    pins 2 & 3
                     closed        closed        closed         closed

     AM486DX       pins 2 & 3     pins 2 & 3      Open        pins 1 & 2
                     closed        closed                       closed

     80486DX       pins 2 & 3     pins 2 & 3      Open        pins 1 & 2
                     closed        closed                       closed

    SL80486DX      pins 2 & 3     pins 2 & 3      Open        pins 1 & 2
                     closed        closed                       closed

    AM486DX2       pins 2 & 3     pins 2 & 3      Open        pins 1 & 2
                     closed        closed                       closed

    80486DX2       pins 2 & 3     pins 2 & 3      Open        pins 1 & 2
                     closed        closed                       closed

   SL80486DX2      pins 2 & 3     pins 2 & 3      Open        pins 1 & 2
                     closed        closed                       closed

                          CPU SPEED CONFIGURATION

         Speed                     JK1                      JK2

         25MHz              pins 1 & 4, 2 & 5      pins 1 & 4, 2 & 5, 3 &
                                 closed                  6 closed

         33MHz              pins 1 & 4, 3 & 6      pins 1 & 4, 2 & 5, 3 &
                                 closed                  6 closed

         40MHz              pins 2 & 5 closed      pins 4 & 7, 5 & 8, 6 &
                                                         9 closed

         50iMHz             pins 1 & 4, 2 & 5      pins 1 & 4, 2 & 5, 3 &
                                 closed                  6 closed

         66iMHz             pins 1 & 4, 3 & 6      pins 1 & 4, 2 & 5, 3 &
                                 closed                  6 closed

                          BUS SPEED CONFIGURATION

    CPU speed            JV1                JV2                JV3

     <= 33MHz         pins 2 & 3         pins 1 & 2         pins 1 & 2
                        closed            closed             closed

     > 33MHz          pins 2 & 3         pins 2 & 3         pins 1 & 2
                        closed            closed             closed

                         PCI SLOT 2 CONFIGURATION

           Setting                     JP4                   JP12

    Falling edge sensitive           Closed           pins 2 & 3 closed
          interrupt

     Rising edge sensitive           Closed           pins 1 & 2 closed
          interrupt

   Low active level trigger          Closed                  Open
      interrupt (IRQ14)

   Low active level trigger          Closed           pins 2 & 3 closed
          interrupt

      No card installed              Closed                  Open

