
LONGSHINE MICROSYSTEM, INC.

LCS-8830 (REVISION A1)

NIC Type      ARCnet
Transfer Rate 2.5Mbps
Data Bus      8-bit ISA
Topology      Linear/Star
Wiring Type   RG62A/U 93ohm coaxial

              Unshielded twisted pair
Boot ROM      Available

[Image]

                         BASE I/O ADDRESS

  Address range    SW2/switch 6     SW2/switch 7    SW2/switch 8

   260h - 26Fh        Closed           Closed          Closed

   290h - 29Fh         Open            Closed          Closed

   2E0h - 2EFh        Closed            Open           Closed

   2F0h - 2FFh         Open             Open           Closed

   300h - 30Fh        Closed           Closed           Open

   350h - 35Fh         Open            Closed           Open

   380h - 38Fh        Closed            Open            Open

   3E0h - 3EFh         Open             Open            Open

                                 BOOT ROM

                 Setting                                JP2

                 Disabled                             Open

                   Enabled                            Closed

                            BASE MEMORY ADDRESS

  RAM Address       PROM      SW2/1    SW2/2    SW2/3    SW2/4     SW2/5
    range         address
                   range

   C:0000h -     C:2000h -      On       On       On       On       On
   C:07FFh        C:3FFFh

   C:0800h -     C:2000h -     Off       On       On       On       On
   C:0FFFh        C:3FFFh

   C:1000h -     C:2000h -      On      Off       On       On       On
   C:17FFh        C:3FFFh

   C:1800h -     C:2000h -     Off      Off       On       On       On
   C:1FFFh        C:3FFFh

   C:4000h -     C:6000h -      On       On      Off       On       On
   C:47FFh        C:7FFFh

   C:4800h -     C:6000h -     Off       On      Off       On       On
   C:4FFFh        C:7FFFh

   C:5000h -     C:6000h -      On      Off      Off       On       On
   C:57FFh        C:7FFFh

   C:5800h -     C:6000h -     Off      Off      Off       On       On
   C:5FFFh        C:7FFFh

   C:C000h -     C:E000h -      On       On       On      Off       On
   C:C7FFh        C:FFFFh

   C:C800h -     C:E000h -     Off       On       On      Off       On
   C:CFFFh        C:FFFFh

   C:D000h -     C:E000h -      On      Off       On      Off       On
   C:D7FFh        C:FFFFh

   C:0000h -     C:E000h -     Off      Off       On      Off       On
   C:DFFFh        C:FFFFh

  D: 0000h -     D:2000h -      On       On      Off      Off       On
   D:07FFh        D:3FFFh

  D: 0800h -     D:2000h -     Off       On      Off      Off       On
   D:0FFFh        D:3FFFh

   D:1000h -     D:2000h -      On      Off      Off      Off       On
   D:17FFh        D:3FFFh

   D:1800h -     D:2000h -     Off      Off      Off      Off       On
   D:1FFFh        D:3FFFh

   D:4000h -     D:6000h -      On       On       On       On       Off
   D:47FFh        D:7FFFh

   D:4800h -     D:6000h -     Off       On       On       On       Off
   D:4FFFh        D:7FFFh

   D:5000h -     D:6000h -      On      Off       On       On       Off
   D:57FFh        D:7FFFh

   D:5800h -     D:6000h -      On       On      Off      Off       On
   D:5FFFh        D:7FFFh

   D:8000h -     D:A000h -     Off      Off       On      Off       On
   D:87FFh        D:BFFFh

   D:8800h -     D:A000h -      On      Off       On      Off       On
   D:8FFFh        D:BFFFh

   D:9000h -     D:A000h -     Off       On       On      Off       On
   D:97FFh        D:BFFFh

   D:9800h -     D:A000h -      On       On       On      Off       On
   D:9FFFh        D:BFFFh

   D:C000h -     D:E000h -     Off      Off      Off       On       On
   D:C7FFh        D:FFFFh

   D:C800h -     D:E000h -      On      Off      Off       On       On
   D:CFFFh        D:FFFFh

   D:D000h -     D:E000h -     Off       On      Off       On       On
   D:D7FFh        D:FFFFh

   D:D800h -     D:E000h -      On       On      Off       On       On
   D:DFFFh        D:FFFFh

   E:0000h -     E:2000h -     Off      Off       On       On       On
   E:07FFh        E:3FFFh

   E:0800h -     E:2000h -      On      Off       On       On       On
   E:0FFFh        E:3FFFh

   E:1000h -     E:2000h -     Off       On       On       On       On
   E:17FFh        E:3FFFh

   E:1800h -     E:2000h -      On       On       On       On       On
   E:1FFFh        E:3FFFh

                        INTERRUPT REQUEST

    IRQ       JP1/1      JP1/2      JP1/3      JP1/4     JP1/5

   IRQ2      Closed      Open       Open       Open       Open

   IRQ3       Open      Closed      Open       Open       Open

   IRQ4       Open       Open      Closed      Open       Open

   IRQ5       Open       Open       Open      Closed      Open

   IRQ7       Open       Open       Open       Open      Closed

                   RESPONSE AND RECONFIGURATION SETTINGS

  Response Time      Idle Time     Reconfiguration Time         JP3

       78 m            86 m               840ms                 Open

      285 m            316 m              1680ms             Pins 1 & 2
                                                               closed

      563 m            624 m              1680ms             Pins 3 & 4
                                                               closed

      1130 m          1237 m              1680ms               Closed

                               NODE ADDRESS

  Node   SW1/1    SW1/2   SW1/3   SW1/4    SW1/5   SW1/6    SW1/7   SW1/8

   1      On       On      On      On       On      On       On      Off

   2      On       On      On      On       On      On      Off      On

   3      On       On      On      On       On      On      Off      Off

   4      On       On      On      On       On      Off      On      On

  251     Off     Off      Off     Off     Off      On      Off      Off

  252     Off     Off      Off     Off     Off      Off      On      On

  253     Off     Off      Off     Off     Off      Off      On      Off

  254     Off     Off      Off     Off     Off      Off     Off      On

  255     Off     Off      Off     Off     Off      Off     Off      Off

  Note:Node address 0 is used for messaging between nodes and must not be
  used.

       A total of 255 node address settings are available. The switches
       are a binary representation of the decimal node addresses. Switch
       8 is the Least Significant Bit and switch 1 is the Most
       Significant Bit. The switches have the following decimal values:
       switch 1=128, 2=64, 3=32, 4=16, 5=8, 6=4, 7=2, 8=1. Turn Off the
       switches and add the values of the Off switches to obtain the
       correct node address. (On=0, Off=1)

