THOMAS-CONRAD CORPORATION

TC4043

NIC Type      Token Ring
Transfer Rate 16Mbps/4Mbps
Data Bus      8-bit ISA/16-bit ISA
Topology      Ring
Wiring Type   Shielded/Unshielded twisted pair
Boot ROM      Available (location unidentified)

[Image]

   INTERRUPT SELECTION

   IRQ     SW1/7   SW1/8

   2/9     Off      Off

    3      Off      On

    6       On      Off

    7       On      On

    RAM SIZE SELECTION

  Size     SW2/2   SW2/3

  16KB      On      Off

  64KB      On      On

       BASE I/O ADDRESS SELECTION

      Address              SW2/1

   Primary (A20h)           On

  Alternate (A24h)          Off

                ROM ADDRESS SELECTION

  Address    SW1/3      SW1/4      SW1/5      SW1/6

  C0000h      Off        Off        Off        Off

  C2000h      Off        Off        Off        On

  C4000h      Off        Off        On         Off

  C6000h      Off        Off        On         On

  C8000h      Off         On        Off        Off

  CA000h      Off         On        Off        On

  CC000h      Off         On        On         Off

  CE000h      Off         On        On         On

  D0000h       On        Off        Off        Off

  D2000h       On        Off        Off        On

  D4000h       On        Off        On         Off

  D6000h       On        Off        On         On

  D8000h       On         On        Off        Off

  DA000h       On         On        Off        On

  DC000h       On         On        On         Off

  DE000h       On         On        On         On

  RING SPEED SELECTION

   Speed        SW2/4

   4Mbps         Off

   16Mbps        On

  BLOCK DECODE SIZE SELECTION

      Size           SW2/8

      16KB             On

     128KB            Off

   BOOT ROM SELECTION

  Setting       JP1

  Disabled    Closed

  Enabled      Open

               FORCED 8-BIT MODE SELECT

           Mode                       JP2

   8-bit transfer forced             Closed

  16-bit transfer allowed             Open

  FACTORY CONFIGURED - DO NOT ALTER

      Switch             Setting

       SW2/5               On

       SW2/6               On

       SW2/7               On