
EMPAC RESEARCH INTERNATIONAL

ERI-LAN486E

Processor            80486SX/80486DX
Processor Speed      25/33/50/50(internal)MHz
Chip Set             Symphony
Max. Onboard DRAM    16MB
Cache                None
BIOS                 AMI
Dimensions           254mm x 230mm
I/O Options          Bus mouse port, ethernet ports (3), floppy drive
                     interface, IDE interface, parallel port, serial ports
                     (2)
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Link LED                     D2       Speaker                   JP18

  IDE hard disk interface      JP1      Reset switch              JP19

  Floppy disk interface        JP2      Ethernet 10Base5          JP21
                                        (AUI)

  Serial port 2                JP7      Ethernet 10BaseT           P1

  Turbo LED                   JP12      Ethernet 10Base2           P2

  Turbo switch                JP14      Parallel port              P3

  IDE interface LED           JP16      Serial port 1              P4

  Power LED & keylock         JP17      Bus mouse                  P5

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     Monitor type select color             JP22               closed

      Monitor type select                   JP22                open
      monochrome

     Serial port 1 interrupt IRQ4          JP24               closed
      enabled

      Serial port 1 interrupt IRQ4          JP24                open
      disabled

     Serial port 2 interrupt IRQ3          JP25               closed
      enabled

      Serial port 2 interrupt IRQ3          JP25                open
      disabled

     Parallel port select LPT1             JP27               closed
      interrupt IRQ7

      Parallel port disabled                JP27                open

     Mouse port select interrupt           JP28               closed
      IRQ12 enabled

      Mouse port select interrupt           JP28                open
      IRQ12 disabled

     Ethernet type select 10BaseT           SW1                 1
      (RJ45)

      Ethernet type select 10Base2           SW1                 2
      (BNC)

      Ethernet type select 10Base5           SW1                N/A
      (AUI)

       DRAM CONFIGURATION

      Size          Bank 0

      1MB        (4) 256K x 9

      4MB         (4) 1M x 9

      16MB        (4) 4M x 9

               ETHERNET CONTROLLER I/O ADDRESS CONFIGURATION

         I/O Address                              JP8

               300H                               open

               320H               pins 1 & 2, 3 & 4, and 5 & 6 closed

               330H                   pins 1 & 2 and 3 & 4 closed

               340H                   pins 1 & 2 and 5 & 6 closed

               350H                        pins 1 & 2 closed

              360H                        pins 5 & 6 closed

               380H                   pins 3 & 4 and 5 & 6 closed

                       REMOTE BOOT ROM CONFIGURATION

            Setting                     JP15                  JP26

             Disabled            pins 1 & 2 closed           N/A

            C8OOOH-C9FFFH         pins 2 & 3 closed    pins 1 & 2 and 3 &
                                                            4 closed

            CCOOOH-CDFFFH         pins 2 & 3 closed    pins 1 & 2 closed

            D8OOOH-D9FFFH         pins 2 & 3 closed    pins 3 & 4 closed

            DCOOOH-DDFFFH         pins 2 & 3 closed           open

       ETHERNET INTERRUPT CONFIGURATION

       Interrupt                JP26

         IRQ3            pins 1 & 2 closed

         IRQ5            pins 3 & 4 closed

         IRQ9            pins 5 & 6 closed

         IRQ10           pins 7 & 8 closed

         IRQ11           pins 9 & 10 closed

         IRQ12          pins 11 & 12 closed

         IRQ15          pins 13 & 14 closed

