
ROBOTECH, INC.

COBRA-XL

Processor  80486SX/80486SX2/80487SX/80486DX/SL80486DX/AM486DX2/CX486DX2/
           AM486DXL2/ODP486DX2/SL80486DX2/80486DX2/U5S/U5SD/SL-AM486DX4/
           AM486DX4/CX486DX4/ODP486DX4/80486DX4/Pentium Overdrive
Processor  25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   SIS
Max.       128MB
Onboard
DRAM
Cache      128/256/512/1024KB
BIOS       AMI
Dimensions 330mm x 218mm
I/O        32-bit PCI slots (3), floppy drive interface, game port, green
Options    PC connector, IDE interfaces (2), parallel port, serial ports
           (2)
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  IDE interface              CN1       Reset switch                J2

  IDE interface              CN2       Green PC connector          J3

  Game port                  CN3       Turbo LED                   J4

  Parallel port              CN4       Green PC connector          J5

  Serial port 1              CN5       Turbo switch                J6

  Serial port 2              CN6       Power LED & keylock         J7

  Floppy drive interface     CN7       External battery            J8

  Speaker                     J1       32-bit PCI slots         PC1 - PC3

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     Factory configured - do not             JC5              Open
      alter

     Factory configured - do not             JC7              Open
      alter

     Factory configured - do not             JP1              N/A
      alter

     Factory configured - do not             JP8              N/A
      alter

     STP.CLK enabled                         JP6           pins 1 & 2
                                                              closed

      SMI OUT enabled                         JP6           pins 2 & 3
                                                              closed

     BIOS type select normal mode           jp16         pins 2 & 3, 4 &
                                                             5 closed

      BIOS type select update mode           jp16         pins 1 & 2, 5 &
                                                             6 closed

     CMOS memory normal operation           JP17              Open

      CMOS memory clear                      JP17             Closed

     On board battery enabled               JP18             Closed

      On board battery disabled              JP18              Open

     Factory configured - do not            JP19              N/A
      alter

     COM1 enabled                           JP20           pins 1 & 2
                                                              closed

      COM1 disabled                          JP20           pins 2 & 3
                                                              closed

     COM2 enabled                           JP22           pins 1 & 2
                                                              closed

      COM2 disabled                          JP22           pins 2 & 3
                                                              closed

     Parallel port IRQ select IRQ7          JP30           pins 1 & 2
                                                              closed

      Parallel port IRQ select IRQ5          JP30           pins 2 & 3
                                                              closed

     Floppy drive interface enabled         JP32           pins 1 & 2
                                                              closed

      Floppy drive interface disabled        JP32           pins 2 & 3
                                                              closed

     Game port enabled                      JP35             Closed

      Game port disabled                     JP35              Open

                            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

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

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

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

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

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

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

     5MB        (1) 512K x     (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

     11MB      (1) 2M x 36     (1) 256K x     (1) 256K x    (1) 256K 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

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

     13MB       (1) 256K x    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36
                    36

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

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

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

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

     17MB       (1) 256K x    (1) 2M x 36    (1) 2M x 36        NONE
                    36

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

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

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

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

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

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

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

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

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

                        DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     25MB       (1) 256K x    (1) 2M x 36    (1) 2M x 36     (1) 2M x 36
                    36

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

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

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

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

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

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

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

     34MB      (1) 8M x 36     (1) 256K x     (1) 256K x        NONE
                                   36             36

     35MB      (1) 8M x 36     (1) 256K x     (1) 256K x    (1) 256K 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

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

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

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

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

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

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

     44MB      (1) 8M x 36    (1) 1M x 36    (1) 1M x 36     (1) 1M 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) 8M x 36    (1) 2M x 36    (1) 2M x 36        NONE

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

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

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

     56MB      (1) 2M x 36    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

     56MB      (1) 8M x 36    (1) 2M 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) 8M x 36    (1) 8M x 36        NONE           NONE

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

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

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

     65MB       (1) 256K x    (1) 8M x 36    (1) 8M x 36        NONE
                    36

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

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

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

     67MB      (1) 16M x 36    (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

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

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

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

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

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

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

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

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

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

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

     80MB        (1) 16M x 36   (1) 2M x 36    (1) 2M x 36       NONE

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

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

     88MB        (1) 16M x 36   (1) 2M x 36    (1) 2M x 36   (1) 2M x 36

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

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

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

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

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

     97MB         (1) 256K x    (1) 8M x 36    (1) 8M x 36   (1) 8M x 36
                     36

     100MB       (1) 1M x 36    (1) 8M x 36    (1) 8M x 36   (1) 8M x 36

     104MB       (1) 2M x 36    (1) 8M x 36    (1) 8M x 36   (1) 8M x 36

     112MB       (1) 4M x 36    (1) 8M x 36    (1) 8M x 36   (1) 8M x 36

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

     128MB       (1) 16M x 36   (1) 8M x 36    (1) 8M x 36       NONE

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

     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        (4) 32K x 8     (4) 32K x 8    (1) 16K x 8

     256KB        (4) 64K x 8        NONE        (1) 16K x 8

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

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

      1MB        (4) 128K x 8    (4) 128K x 8    (1) 64K x 8

                        CACHE JUMPER CONFIGURATION

    Size         JP9         JP10        JP11        JP12         JP13

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

    256KB       1 & 2       2 & 3        2 & 3       1 & 2      2 & 3, 4
                                                                  & 5

    256KB       1 & 2       2 & 3        1 & 2       2 & 3      1 & 2, 3
                                                                  & 4

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

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

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

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

        Type           JC1        JC2        JC3        JC4        JC6

      80486SX         2 & 3       N/A       3 & 4       N/A        N/A

      80486SX2        2 & 3       N/A       3 & 4       N/A        N/A

      80487SX         2 & 3       N/A       3 & 4       N/A        N/A

      80486DX         2 & 3       N/A        N/A        N/A        N/A

     SL80486DX        2 & 3       N/A       3 & 4       N/A        N/A

      AM486DX2        2 & 3       N/A        N/A        N/A        N/A

      CX486DX2        2 & 3       N/A       2 & 3       N/A        N/A

     AM486DXL2        2 & 3       N/A        N/A        N/A        N/A

     ODP486DX2        2 & 3       N/A       3 & 4       N/A        N/A

     SL80486DX2       2 & 3       N/A       3 & 4       N/A        N/A

      80486DX2        2 & 3       N/A        N/A        N/A        N/A

        U5S           2 & 3       N/A        N/A        N/A        N/A

        U5SD          2 & 3       N/A        N/A        N/A        N/A

    SL AM486DX4       2 & 3       N/A      1 & 2, 3     N/A       4 & 5
                                             & 4

      AM486DX4        2 & 3       N/A        N/A        N/A        N/A

      CX486DX4        1 & 2      1 & 2     1 & 2, 3     N/A       2 & 3
                                             & 4

     ODP486DX4        2 & 3       N/A       3 & 4       N/A        N/A

      80486DX4        2 & 3       N/A       3 & 4       N/A        N/A

       Pentium        2 & 3       N/A       3 & 4      1 & 2       N/A
     Overdrive

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

       Type           JC8        JC9       JC10       JC11        JC12

      80486SX         N/A       2 & 3      3 & 4      4 & 5       1 & 2

     80486SX2         N/A       2 & 3      3 & 4      4 & 5       1 & 2

      80487SX         N/A       2 & 3      2 & 3      4 & 5       1 & 2

      80486DX         N/A        N/A       3 & 4       N/A         N/A

     SL80486DX        N/A       2 & 3      3 & 4      4 & 5       1 & 2

     AM486DX2         N/A        N/A       3 & 4       N/A         N/A

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

     AM486DXL2       3 & 4      4 & 5     1 & 2, 3     N/A        1 & 2
                                            & 4

     ODP486DX2        N/A       2 & 3      3 & 4      4 & 5       1 & 2

    SL80486DX2        N/A       2 & 3      3 & 4      4 & 5       1 & 2

     80486DX2         N/A        N/A       3 & 4       N/A         N/A

        U5S          3 & 4       N/A       1 & 2       N/A        1 & 2

       U5SD          3 & 4       N/A       1 & 2       N/A        1 & 2

    SL AM486DX4       N/A       2 & 3      3 & 4      4 & 5       1 & 2

     AM486DX4         N/A        N/A       3 & 4       N/A         N/A

     CX486DX4         N/A       2 & 3      3 & 4      2 & 3       1 & 2

     ODP486DX4        N/A       2 & 3      2 & 3      1 & 2       1 & 2

     80486DX4         N/A       2 & 3      3 & 4      4 & 5       1 & 2

      Pentium         N/A       2 & 3      2 & 3      1 & 2       1 & 2
     Overdrive

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

        Type            JC13          JC14          JC15           Q5

      80486SX           2 & 3          N/A          N/A        2 & 3, 5 &
                                                                   6

      80486SX2          2 & 3          N/A          N/A        2 & 3, 5 &
                                                                   6

      80487SX         1 & 2, 3 &       N/A          N/A        2 & 3, 5 &
                          4                                        6

      80486DX         1 & 2, 3 &       N/A          N/A        2 & 3, 5 &
                          4                                        6

     SL80486DX        1 & 2, 3 &       N/A          N/A        2 & 3, 5 &
                          4                                        6

      AM486DX2        1 & 2, 3 &       N/A          N/A        2 & 3, 5 &
                          4                                        6

      CX486DX2        1 & 2, 3 &      2 & 3         N/A        2 & 3, 5 &
                          4                                        6

     AM486DXL2        1 & 2, 3 &       N/A         2 & 3       2 & 3, 5 &
                          4                                        6

     ODP486DX2        1 & 2, 3 &       N/A          N/A        2 & 3, 5 &
                          4                                        6

     SL80486DX2       1 & 2, 3 &       N/A          N/A        2 & 3, 5 &
                          4                                        6

      80486DX2        1 & 2, 3 &       N/A          N/A        2 & 3, 5 &
                          4                                        6

        U5S             2 & 3          N/A          N/A        2 & 3, 5 &
                                                                   6

        U5SD            3 & 4          N/A          N/A        2 & 3, 5 &
                                                                   6

    SL AM486DX4       1 & 2, 3 &      1 & 2         N/A           N/A
                          4

      AM486DX4        1 & 2, 3 &       N/A          N/A           N/A
                          4

      CX486DX4        1 & 2, 3 &      1 & 2         N/A           N/A
                          4

     ODP486DX4        1 & 2, 3 &       N/A          N/A           N/A
                          4

      80486DX4        1 & 2, 3 &       N/A          N/A           N/A
                          4

  Pentium Overdrive   1 & 2, 3 &       N/A          N/A        2 & 3, 5 &
                          4                                        6

  Note: Pins designated should be in the closed position.

          CPU SPEED CONFIGURATION

   Speed      JP3        JP4        JP5

   25MHz      Open       Open      Open

   33MHz     Closed     Closed     Open

   40MHz      Open      Closed     Open

  50iMHz      Open       Open      Open

  66iMHz     Closed     Closed     Open

  75iMHz      Open       Open      Open

  100iMHz    Closed     Closed     Open

                        PARALLEL PORT CONFIGURATION

    Setting          JP24           JP25            JP29          JP31

    Printer       pins 2 & 3      pins 2 & 3     pins 1 & 2       N/A
                    closed         closed          closed

   EPP mode       pins 2 & 3      pins 1 & 2     pins 1 & 2       Open
                    closed         closed          closed

    ECP/EPP       pins 1 & 2      pins 2 & 3     pins 1 & 2       Open
                    closed         closed          closed

  EXT, two FDD    pins 1 & 2      pins 1 & 2     pins 1 & 2       Open
                    closed         closed          closed

                      DMA CONFIGURATION

         DMA                 JP26                 JP27

        DMA 3          pins 2 & 3 closed   pins 2 & 3 closed

        DMA 1          pins 1 & 2 closed   pins 1 & 2 closed

