
EPSON, INC.

ACTION PC 7000, ENDEAVOR 486I

Processor  CX486S/80486SX/SL80486SX/SL80486SX2/CX486DX/UMCU5S/
           AM486DX/80486DX/SL80486DX/CX486DX2/UMCU5DS/AM486DX2/
           SL80486DX2/80486DX2/AM486DX4/80486DX4/SL80486DX4/P24D/P24T
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   Unidentified
Video Chip Cirrus Logic
Set
Maximum    128MB
Onboard
Memory
Maximum    2MB
Video
Memory
Cache      128/256/512KB
BIOS       Phoenix
Dimensions 254mm x 218mm
I/O        Floppy drive interface, IDE interfaces (2), parallel port, PS/2
Options    mouse port, serial ports (2), VGA feature connector, VGA port,
           riser slot
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  PS/2 mouse port           J3         IDE interface 2          J14

  Serial port 2             J4         IDE interface LED        J15

  Serial port 1             J5         Turbo LED           J21/pins 2 & 3

  Parallel port             J6         Reset switch         J21/pins 9 &
                                                                 10

  VGA port                  J7         Power LED            J21/pins 11 &
                                                                 13

  VGA feature              J10         Speaker              J21/pins 17 -
  connector                                                      20

  Floppy drive             J12         Riser slot               SL1
  interface

  IDE interface 1          J13

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     On board I/O enabled                  JP2        Pins 1 & 2 closed

      On board I/O disabled                 JP2        Pins 3 & 4 closed

     Flash BIOS voltage select 12v        JP11        Pins 2 & 3 closed

      Flash BIOS voltage select 5v         JP11        Pins 1 & 2 closed

      BIOS type select EPROM               JP11              Open

     PCI IDE controller enabled           JP25              Open

      PCI IDE controller disabled          JP25             Closed

     Factory configured  do not          JP31          Unidentified
      alter

     Factory configured  do not          JP35          Unidentified
      alter

     CMOS memory normal operation         JP49              Open

      CMOS memory clear                    JP49             Closed

     On board video enabled               JP50        Pins 1 & 2 closed

      On board video disabled              JP50        Pins 2 & 3 closed

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     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) 256K x    (1) 256K x 36
                    36             36             36

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

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

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

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

     6MB        (1) 256K x     (1) 256K x     (1) 512K x    (1) 512K x 36
                    36             36             36

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

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

     6MB        (1) 512K x     (1) 512K x     (1) 256K x    (1) 256K x 36
                    36             36             36

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

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

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

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

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

                        DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2         Bank 3

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

     10MB       (1) 256K x     (1) 256K x    (1) 2M x 36        None
                    36             36

     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

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

     12MB       (1) 512K x     (1) 512K x    (1) 2M x 36        None
                    36             36

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

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

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

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

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

     18MB       (1) 256K x     (1) 256K x    (1) 2M x 36     (1) 2M x 36
                    36             36

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

     18MB      (1) 2M x 36    (1) 2M x 36     (1) 256K x    (1) 256K x 36
                                                  36

     18MB      (1) 2M x 36    (1) 2M x 36     (1) 512K x        None
                                                  36

     20MB       (1) 512K x     (1) 512K x    (1) 2M x 36     (1) 2M x 36
                    36             36

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

     20MB      (1) 2M x 36    (1) 2M x 36     (1) 512K x    (1) 512K x 36
                                                  36

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

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

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

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

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

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

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

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

     34MB       (1) 256K x     (1) 256K x    (1) 8M x 36        None
                    36             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) 512K x     (1) 512K x    (1) 4M x 36     (1) 4M x 36
                    36             36

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

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

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

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0        Bank 1         Bank 2         Bank 3

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

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

     48MB       (1) 4M x 36    (1) 4M x 36    (1) 2M x 36    (1) 2M 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) 8M x 36       None

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

     66MB        (1) 256K x     (1) 256K x    (1) 8M x 36    (1) 8M x 36
                     36            36

     66MB       (1) 8M x 36    (1) 8M x 36     (1) 256K x   (1) 256K x 36
                                                  36

     66MB       (1) 8M x 36    (1) 8M x 36     (1) 512K x       None
                                                  36

     68MB       (1) 8M x 36    (1) 8M x 36     (1) 512K x   (1) 512K x 36
                                                  36

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

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

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

     72MB       (1) 8M x 36    (1) 8M x 36    (1) 2M x 36       None

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

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

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

     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) 4M x 36    (1) 4M x 36

     96MB       (1) 8M x 36    (1) 8M x 36    (1) 8M x 36       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) 32K x 8

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

   512KB (A)      (4) 64K x 8     (4) 64K x 8    (1) 32K x 8

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

                        CACHE JUMPER CONFIGURATION

   Size      JP41      JP42      JP43       JP46       JP47        JP48

   128KB     Open      2 & 3    1 & 2       Open       Open        Open

   256KB     Open      1 & 2    2 & 3      Closed      Open        Open

   512KB     Open      1 & 2    2 & 3      Closed     Closed       Open
    (A)

   512KB     1 & 2     2 & 3    2 & 3      Closed     Closed       Open
    (B)

  Note: Pins designated should be in the closed position.

                  VIDEO MEMORY CONFIGURATION

        Size                Bank 0               Bank 1

         1MB                 1MB                  None

         2MB                 1MB             (2) 256K x 16

  Note: Bank 0 is factory installed and is not configurable.

                         CPU SPEED SELECTION

               Speed                              JP6

               25MHz                       Pins 1 & 2 closed

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

               40MHz                    Pins 1 & 2, 3 & 4 closed

              50iMHz                       Pins 1 & 2 closed

               50MHz                       Pins 5 & 6 closed

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

              75iMHz                       Pins 1 & 2 closed

              100iMHz               Pins 1 & 2, 3 & 4, 5 & 6 closed

                            CPU TYPE SELECTION

     Type        JP19        JP22        JP23        JP28         JP29

    CX486S       1 & 2       2 & 3      2 & 3        Open         Open

   80486SX       Open        1 & 2       Open        Open         Open

  SL80486SX      1 & 2       2 & 3       Open        Open         Open

  SL80486SX2     1 & 2       2 & 3       Open        Open         Open

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

   UMC U5S       2 & 3       1 & 2       Open        Open         Open

   AM486DX       Open        1 & 2       Open        Open         Open

   80486DX       Open        1 & 2       Open        Open         Open

  SL80486DX      1 & 2       2 & 3       Open        Open         Open

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

   UMC U5DS      2 & 3       1 & 2       Open        Open         Open

   AM486DX2      Open        1 & 2       Open        Open         Open

  SL80486DX2     1 & 2       2 & 3       Open        Open         Open

   80486DX2      Open        1 & 2       Open        Open         Open

   AM486DX4      Open        1 & 2       Open        Open         Open

   80486DX4      Open        1 & 2       Open        Open         Open

  SL80486DX4     1 & 2       2 & 3       Open        Open         Open

     P24D        1 & 2       2 & 3       Open        Open         Open

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

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

      Type         JP33       JP34        JP36       JP37         JP38

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

    80486SX        Open       Open       2 & 3       Open         Open

   SL80486SX      2 & 3, 4    1 & 2      2 & 3       Open         Open
                    & 5

   SL80486SX2     2 & 3, 4    1 & 2      2 & 3       Open         Open
                    & 5

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

    UMC U5S        Open       Open       2 & 3       3 & 4        Open

    AM486DX        Open       Open      1 & 2, 3     Open         Open
                                          & 4

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

   SL80486DX      2 & 3, 4    1 & 2     1 & 2, 3     Open         Open
                    & 5                   & 4

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

    UMC U5DS       Open       Open      1 & 2, 3     3 & 4        Open
                                          & 4

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

   SL80486DX2     2 & 3, 4    1 & 2     1 & 2, 3     Open         Open
                    & 5                   & 4

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

    AM486DX4       Open       Open      1 & 2, 3     Open         Open
                                          & 4

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

   SL80486DX4     2 & 3, 4    1 & 2     1 & 2, 3     Open         Open
                    & 5                   & 4

      P24D        2 & 3, 4   1 & 2, 3   1 & 2, 3     Open        Closed
                    & 5        & 4        & 4

      P24T        2 & 3, 4    1 & 2     1 & 2, 3     2 & 3        Open
                    & 5                   & 4

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

      Type           JP39          JP40           JP44           JP45

     CX486S          Open          2 & 3          2 & 3         1 & 2

    80486SX          Open          Open           1 & 2         1 & 2

   SL80486SX         Open          Open           1 & 2         1 & 2

   SL80486SX2        Open          Open           1 & 2         1 & 2

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

    UMC U5S       1 & 2, 3 &       Open           1 & 2         2 & 3
                      4

    AM486DX         1 & 2          Open           1 & 2         1 & 2

    80486DX         1 & 2          Open           1 & 2         1 & 2

   SL80486DX        1 & 2          Open           1 & 2         1 & 2

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

    UMC U5DS      1 & 2, 3 &       Open           1 & 2         2 & 3
                      4

    AM486DX2        1 & 2          Open           1 & 2         1 & 2

   SL80486DX2       1 & 2          Open           1 & 2         1 & 2

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

    AM486DX4        1 & 2          Open           1 & 2         1 & 2

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

   SL80486DX4       1 & 2          Open           1 & 2         1 & 2

      P24D          1 & 2          Open           1 & 2         1 & 2

      P24T          2 & 3          Open           1 & 2         1 & 2

  Note: Pins designated should be in the closed position.

                           CPU VOLTAGE SELECTION

              Voltage                                 JP1

                3.3v                           Pins 1 & 2 closed

               3.45v                           Pins 3 & 4 closed

                3.6v                           Pins 5 & 6 closed

                 4v                            Pins 7 & 8 closed

                 5v                     Remove VRM & jumper all pins in
                                                    socket.

                           DMA CHANNEL SELECTION

         Channel                   JP8                      JP18

             1             Pins 1 & 2 closed        Pins 2 & 3 closed

              3             Pins 2 & 3 closed        Pins 1 & 2 closed

