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