
XINETRON, INC.

XINET LS3251

Processor                  80386DX
Processor Speed            25MHz
Chip Set                   C & T
Max. Onboard DRAM          16MB
SRAM Cache                 None
BIOS                       Award
Dimensions                 355mm x 304mm
I/O Options                AUI network interface, BNC network interface,
                           floppy drive interface, IDE interface, parallel
                           port, serial ports (2), game port
NPU Options                80387DX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  AUI ethernet interface      C1       Game port                   C6

  BNC ethernet interface      C2       Floppy drive interface      C7

  Parallel port               C3       IDE interface               C8

  Serial port (COM2)          C4       Reset switch                JP7

  Serial port (COM1)          C5

                        USER CONFIGURABLE SETTINGS

               Function                     Jumper           Position

     Monitor type select monochrome         JP2             pins 2 & 3
                                                              closed

      Monitor type select color              JP2             pins 1 & 2
                                                              closed

     CPU speed select from keyboard         JP13            pins 1 & 2
                                                              closed

      CPU speed select fast                  JP13            pins 2 & 3
                                                              closed

     Floppy drive interface enabled        JP306            pins 2 & 3
                                                              closed

      Floppy drive interface                JP306            pins 1 & 2
      disabled                                                closed

     IDE interface enabled              J312 & J313         pins 2 & 3
                                                              closed

      IDE interface disabled             J312 & J313         pins 1 & 2
                                                              closed

     Pipeline mode enabled                  JP12            pins 1 & 2
                                                              closed

      Pipeline mode disabled                 JP12            pins 2 & 3
                                                              closed

                         SERIAL PORT CONFIGURATION

   COM1 (C5)      COM2 (C4)        JP303          JP304         JP305

    Enabled        Enabled       pins 2 & 3     pins 2 & 3    pins 2 & 3
                                   closed        closed         closed

    Enabled        Disabled      pins 2 & 3     pins 1 & 2    pins 2 & 3
                                   closed        closed         closed

   Disabled        Enabled       pins 1 & 2     pins 2 & 3    pins 2 & 3
                                   closed        closed         closed

   Disabled        Disabled      pins 1 & 2     pins 1 & 2    pins 1 & 2
                                   closed        closed         closed

                     PARALLEL PORT (C3) CONFIGURATION

        LPT            I/O Address          JP301             JP302

       LPT 1              3BCh            pins 1 & 2        pins 2 & 3
                                           closed             closed

       LPT 2              378h            pins 2 & 3        pins 2 & 3
                                           closed             closed

       LPT 3              278h            pins 2 & 3        pins 1 & 2
                                           closed             closed

     Disabled              N/A            pins 1 & 2        pins 1 & 2
                                           closed             closed

                     ETHERNET CABLE TYPE CONFIGURATION

          Cable Type                  JP102               J161-J166

               BNC                   Closed          pins 1 & 2 closed

         AUI transceiver via           Open           pins 2 & 3 closed
               9-pin

                 ETHERNET INTERRUPT REQUEST CONFIGURATION

    Channel          J111          J112           J113           J114

        IRQ 3        Open         Closed          Open           Open

        IRQ 2       Closed         Open           Open           Open

        IRQ 4        Open          Open          Closed          Open

       IRQ 5        Open          Open           Open          Closed

                  ETHERNET I/O BASE ADDRESS CONFIGURATION

     Address          J121          J122          J123           J124

        320h         Open         Closed         Open           Open

         300h        Closed         Open          Open           Open

         340h         Open          Open         Closed          Open

         360h         Open          Open          Open          Closed

              ETHERNET BOOT ROM MEMORY ADDRESS CONFIGURATION

       Address               J131             J132             J133

         CC000h             Open            Closed            Open

          C8000h            Closed            Open             Open

          D0000h             Open             Open            Closed

                             NPU CONFIGURATION

             Mode                       JP4                  JP11

             Disabled           pins 2 & 3 closed     pins 2 & 3 closed

            Asynchronous         pins 1 & 2 closed     pins 2 & 3 closed

            Synchronous          pins 1 & 2 closed     pins 1 & 2 closed

                            DRAM CONFIGURATION

   Size      Bank 0       Bank 1      Bank 2      Bank 3         JP20

   1MB       (4) 256K      NONE        NONE        NONE          N/A
               x 9

   2MB       (4) 256K    (4) 256K      NONE        NONE          N/A
               x 9         x 9

   4MB       (4) 256K    (4) 256K    (4) 256K     (4) 256K    pins 1 & 2
               x 9         x 9         x 9          x 9         closed

   4MB       (4) 1M x      NONE        NONE        NONE          N/A
                9

   8MB       (4) 1M x    (4) 1M x      NONE        NONE          N/A
                9           9

   10MB      (4) 1M x    (4) 1M x    (4) 256K     (4) 256K    pins 1 & 2
                9           9          x 9          x 9         closed

   10MB      (4) 256K    (4) 256K    (4) 1M x     (4) 1M x    pins 2 & 3
               x 9         x 9          9            9          closed

   16MB      (4) 1M x    (4) 1M x    (4) 1M x     (4) 1M x    pins 2 & 3
                9           9           9            9          closed

