
XINETRON, INC.

XI-386/486/386SX

Processor     80386DX/80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor     20/25/33/50(Internal)/50/66(Internal)MHz
Speed
Chip Set      Xinetron
Max. onboard  32MB
DRAM
Cache         64/128/256KB
BIOS          AMI
Dimensions    330mm x 218mm
I/O Options   Ethernet (2), Floppy drive interface, IDE interface,
              parallel port, serial port (2)
NPU Options   80387DX/3167

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                  Location

  Ethernet BNC             BN1        Hercules graphic            JP7
                                      signal output

  Power LED & keylock       J3        LAN board connector        JP10

  Turbo LED                 J5        LAN board connector        JP11

  Turbo switch              J6        Parallel port               P1

  Reset switch              J7        Serial port 1               P2

  External battery          J8        Serial port 1               P3

  Speaker                   J9        IDE interface               P9

  Serial port 1            JP2        Floppy drive                P10
                                      interface

  Serial port 1            JP3        Ethernet twisted            PH1
                                      pair

  Parallel port            JP4

                       . USER CONFIGURABLE SETTINGS

              Function                   Jumper/Switch        Position

     Factory configured - do not             J11              Closed
      alter

     Monitor type select color               J12             pins 1 & 2
                                                                open

      Monitor type select monochrome          J12             pins 1 & 2
                                                               closed

     AT BUS clock select                     JP1             pins 5 & 6
      synchronous                                              closed

      AT BUS clock select                     JP1             pins 4 & 5
      asynchronous                                             closed

     Hercules Graphic display             JP5 & JP6          pins 1 & 2
      enabled                                                  closed

      Hercules Graphic display             JP5 & JP6          pins 2 & 3
      disabled                                                 closed

     Hercules Graphic display                JP8             pins 1 & 2
      select character generator                               closed
      enable

      Hercules Graphic display                JP8             pins 2 & 3
      select character generator                               closed
      disabled

     NPU select 3167 or 387DX                JP12            pins 4 & 5
      enabled                                                  closed

      NPU select 3167 or 387DX                JP12            pins 5 & 6
      disabled                                                 closed

     I/O ports enabled addresses             JP25            pins 1 & 2
      set to primary                                           closed

     Factory configured - do not         SW1/switch 1           Off
      alter

     Ethernet type select 10BaseT        SW1/switch 2           On

      Ethernet type select 10Base2        SW1/switch 2           Off

     Serial port COM1 I/O address            SW2A            pins 2 & 3
      select 3e8h                                              closed

      Serial port COM1 I/O address            SW2B            pins 1 & 2
      select 3f8h                                              closed

     Serial port COM2 I/O address            SW2C            pins 2 & 3
      select 2e8h                                              closed

      Serial port COM2 I/O address            SW2D            pins 1 & 2
      select 2f8h                                              closed

     Parallel port I/O address               SW2E            pins 2 & 3
      select 278h                                              closed

      Parallel port I/O address               SW2F            pins 1 & 2
      select 378h                                              closed

     Floppy drive controller select          SW2G            pins 2 & 3
      primary                                                  closed

      Floppy drive controller select          SW2H            pins 1 & 2
      secondary                                                closed

     IDE interface select primary            SW2I            pins 2 & 3
                                                               closed

      IDE interface select secondary          SW2J            pins 1 & 2
                                                               closed

                          CPU TYPE CONFIGURATION

      CPU          Type        JP1        JP20 -      JP13 -       U49
                                          JP22        JP17

    80386DX        PGA         N/A       pins 2 &    pins 2 &   386 BIOS
                                            3           3

    80486SX        PQFP      pins 1 &    pins 1 &    pins 2 &   486 BIOS
                                2           2           3

    80486DX        PQFP      pins 2 &    pins 1 &    pins 2 &   486 BIOS
                                3           2           3

   ODP486SX      P23T (U5)   pins 2 &    pins 1 &    pins 1 &   486 BIOS
                                3           2           2

   80486DX2      P23T (U5)   pins 2 &    pins 1 &    pins 1 &   486 BIOS
                                3           2           2

  Note:Pins designated should be in the closed position.

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

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

      16MB        (4) 4M x 9         NONE

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

      32MB        (4) 4M x 9      (4) 4M x 9

                        CACHE JUMPER CONFIGURATION

       Size                    JP18                       JP19

       64KB          pins 1 & 2, 4 & 5, 6 & 7       pins 1 & 2 closed
                              closed

       128KB         pins 2 & 3, 5 & 6 closed       pins 2 & 3 closed

       256KB         pins 2 & 3, 5 & 6 closed       pins 2 & 3 closed

                    CACHE CONFIGURATION

     Size          Bank 0        Location         TAG

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

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

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

