D-LINK

DT-220

NIC Type       Token-Ring
Transfer Rate  4/16Mbps
Data Bus       16-bit ISA
Topology       Ring
Wiring Type    Unshielded twisted pair

               Shielded twisted pair (DB-9 port)
Boot ROM       Available (Built-in Remote Program Load)

[Image]

                           BOOT ROM ADDRESS

  Address    SW1/1     SW1/2     SW1/3     SW1/4     SW1/5     SW1/6

  C0000h      Off        On        On        On        On        On

  C2000h      Off        On        On        On        On       Off

  C4000h      Off        On        On        On       Off        On

  C6000h      Off        On        On        On       Off       Off

  C8000h      Off        On        On       Off        On        On

  CA000h      Off        On        On       Off        On       Off

  CC000h      Off        On        On       Off       Off        On

  CE000h      Off        On        On       Off       Off       Off

  D0000h      Off        On       Off        On        On        On

  D2000h      Off        On       Off        On        On       Off

  D4000h      Off        On       Off        On       Off        On

  D6000h      Off        On       Off        On       Off       Off

  D8000h      Off        On       Off       Off        On        On

  DA000h      Off        On       Off       Off        On       Off

  DC000h      Off        On       Off       Off       Off        On

  DE000h      Off        On       Off       Off       Off       Off

                             INTERRUPT REQUEST

            IRQ                     SW1/7                   SW1/8

              2/9                    On                      On

  »            3                     On                      Off

               7                     Off                     Off

                       PRIMARY/SECONDARY CARD SELECT

                 Setting                               SW1/9

  »                Primary                              Off

                  Secondary                              On

  Note:If two NICs are installed in a system, one must be set to primary,
  and the other to secondary.

                            SHARED MEMORY SIZE

           Size                    SW1/10                  SW1/11

              8KB                    On                      On

  »          16KB                    Off                     On

             32KB                    On                      Off

             64KB                    Off                     Off

  Note:The 16KB option is the only setting that supports memory paging.

                         NETWORK SEGMENT SPEED

               Speed                               SW1/12

               16Mbps                               Off

               4Mbps                                 On

  Note:All NICs on the network segment must be set to the same speed.

                             DIAGNOSTIC LED(S)

     Amber LED           Green LED                  Condition

         On                 Off           Network speed is set to 4Mbps

        Off                  On           Network speed is set to 16Mbps

  Note:The amber LED will light momentarily when power is applied to the
  NIC. The appropriate LED will