QUADRAM

MAINLINK II

Card Type                 Network (terminal emulator)
NIC Type                  Proprietary (3270 network with 3278/9 terminator
                          emulator)
Maximum Onboard Memory    Unidentified
Boot ROM                  Available
Network Transfer Rate     Unidentified
Topology                  Linear Bus (microcomputer to mainframe)
Wiring Type               Proprietary coaxial
Data Bus                  8-bit ISA
Card Size                 Unidentified

[Image]

           CONNECTIONS

    Function           Label

  BNC connector         CN1

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

  »   Not used                                  SW1/1           Off

  »   Slot 8 disabled - PC AT mode              SW1/2           Off

      Slot 8 enabled - PC XT mode               SW1/2           On

  »   PROM memory window enabled                SW1/3           On

      PROM memory window disabled               SW1/3           Off

               MEMORY ADDRESS SELECTION FOR THE PC, XT & AT

   ADDRESS HEX      SW1/4      SW1/5       SW1/6 SW1/7
                                             SW1/8

  C0000h-C1FFFh      On         On             On           On       On

  C2000h-C3FFFh      Off        On             On           On       On

  C4000h-C5FFFh      On         Off            On           On       On

  C6000h-C7FFFh      Off        Off            On           On       On

  C8000h-C9FFFh      On         On            Off           On       On

  CA000h-CBFFFh      Off        On            Off           On       On

  CC000h-CDFFFh      On         Off           Off           On       On

  D0000h-D1FFFh      On         On             On          Off       On

  D2000h-D3FFFh      Off        On             On          Off       On

  D4000h-D5FFFh      On         Off            On          Off       On

  D6000h-D7FFFh      Off        Off            On          Off       On

  D8000h-D9FFFh      On         On            Off          Off       On

  DA000h-DBFFFh      Off        On            Off          Off       On

  DC000h-DDFFFh      On         Off           Off          Off       On

  DE000h-DFFFFh      Off        Off           Off          Off       On

  E0000h-E1FFFh      On         On             On           On      Off

  E0000h-E3FFFh      Off        On             On           On      Off

  E4000h-E5FFFh      On         Off            On           On      Off

  E6000h-E7FFFh      Off        Off            On           On      Off

  E8000h-E9FFFh      On         On            Off           On      Off

  EA000h-EBFFFh      Off        On            Off           On      Off

  EC000h-EDFFFh      On         Off           Off           On      Off

  EE000h-EFFFFh      Off        Off           Off           On      Off

  Note: Addresses in the range from C0000h-EE000h are for AT only.