U.S. ROBOTICS, INC.

ALLEGRA 56

Card Type              Network Adapter
NIC Type               Frame relay
Maximum Onboard Memory Unidentified
Boot ROM               Unavailable
Network Transfer Rate  56Kbps
Data Bus               16-bit ISA

[Image]

        CONNECTIONS

     Function        Label

  RJ-45 interface     CN1

                           DMA CHANNEL SELECTION

  Channel     JP2/A      JP2/B     JP2/C     JP2/D      JP2/E     JP2/F

        0      Open      Open       Open     Closed     Open       Open

  »     1      Open      Open       Open      Open     Closed      Open

        3      Open      Open       Open      Open      Open      Closed

        5      Open      Open      Closed     Open      Open       Open

        6      Open     Closed      Open      Open      Open       Open

        7     Closed     Open       Open      Open      Open       Open

                       DMA CHANNEL SELECTION (CONT.)

  Channel     JP2/G      JP2/H     JP2/I     JP2/J      JP2/K     JP2/L

        0      Open      Open       Open     Closed     Open       Open

  »     1      Open      Open       Open      Open     Closed      Open

        3      Open      Open       Open      Open      Open      Closed

        5      Open      Open      Closed     Open      Open       Open

        6      Open     Closed      Open      Open      Open       Open

        7     Closed     Open       Open      Open      Open       Open

                BASE I/O ADDRESS SELECTION

  Setting     SW1/1       SW1/2       SW1/3       SW1/4

   200h        On          On          On          On

   220h        On          On          On          Off

   240h        On          On          Off         On

   260h        On          On          Off         Off

   280h        On            Off       On          On

   2A0h        On          Off         On          Off

   2C0h        On          Off         Off         On

   2E0h        On          Off         Off         Off

   300h        Off         On          On          On

   320h        Off         On          On          Off

   340h        Off         On          Off         On

   360h        Off         On          Off         Off

   380h        Off         Off         On          On

   3A0h        Off         Off         On          Off

   3C0h        Off         Off         Off         On

   3E0h        Off         Off         Off         Off

                            INTERRUPT SELECTION

   IRQ       JP1/A     JP1/B      JP1/C      JP1/D     JP1/E      JP1/F

   IRQ5      Open       Open      Open       Open       Open      Closed

   IRQ9      Open       Open      Open       Open          Closed  Open

  IRQ10      Open       Open      Open      Closed      Open       Open

  IRQ11      Open       Open     Closed      Open       Open       Open

  IRQ12      Open      Closed     Open       Open       Open       Open

  IRQ15     Closed      Open      Open       Open       Open       Open

                             DIAGNOSTIC LED(S)

   LED     Color          Status                     Condition

  LED1    Yellow            Off               Normal operating state

  LED1    Yellow         Blinking            Loopback test is occuring

  LED2     Green            Off             Frame relay network link is
                                                      broken

  LED2     Green         Blinking         Frame relay link is established
                                                   but unstable

  LED2     Green            On              Frame relay network link is
                                                       good