
GTEK, INC.

BLACKBOARD-4

Card Type               Serial card
Chip Set                Unidentified
Maximum Onboard Memory  Unidentified
I/O Options             Serial ports (4 RS-232)
Hard Drives supported   None
Floppy drives supported None
Data Bus                16-bit ISA
Card Size               Half-length, full-height card

[Image]

                                CONNECTIONS

          Function            Label            Function            Label

  Serial port via RJ-45        J1      Serial port via RJ-45        J3
  connector                            connector

  Serial port via RJ-45        J2      Serial port via RJ-45        J4
  connector                            connector

                    SERIAL PORT ADDRESS SELECTION

  Port 0    Port 1   Port 2    Port 3     JB6/A     JB6/B    JB6/C

   3F8h      2F8h     3E8h      2E8h      Open      Open      Open

   2E0h      2E8h     2F0h      2F8h     Closed     Open      Open

   2C0h      2C8h     2D0h      2D8h      Open     Closed     Open

   280h      288h     290h      298h      Open      Open     Closed

   200h      208h     210h      218h     Closed    Closed     Open

   120h      128h     130h      138h      Open     Closed    Closed

   100h      108h     110h      118h     Closed     Open     Closed

                            INSTRUCTIONAL NOTES

  To set ports interrupts to unique IRQs, refer to the appropriate 'Port
  (X) Discrete Serial Interrupt Selection' table(s). For multiple ports
  assigned to a single, shared interrupt, assign the desired ports to
  shared IRQ and then assign an IRQ using the 'Shared Serial Port
  Interrupt Selection' table.

                            PORT 0 DISCRETE SERIAL INTERRUPT SELECTION

   IRQ     JB1A/1  JB1A/2   JB1A/3   JB1A/4   JB1A/5   JB1A/6   JB1A/7   JB1A/8   JB1A/9  JB1A/10

  Shared   Closed   Open     Open     Open     Open    Open     Open     Open     Open     Open

  IRQ2     Open    Closed    Open     Open     Open    Open     Open     Open     Open     Open

  IRQ3     Open     Open    Closed    Open     Open    Open     Open     Open     Open     Open

  IRQ4     Open     Open     Open    Closed    Open    Open     Open     Open     Open     Open

  IRQ5     Open     Open     Open     Open    Closed   Open     Open     Open     Open     Open

  IRQ7     Open     Open     Open     Open     Open    Closed   Open     Open     Open     Open

  IRQ10    Open     Open     Open     Open     Open    Open     Closed   Open     Open     Open

  IRQ11    Open     Open     Open     Open     Open    Open     Open     Closed   Open     Open

  IRQ12    Open     Open     Open     Open     Open    Open     Open     Open     Closed   Open

  IRQ15    Open     Open     Open     Open     Open    Open     Open     Open     Open    Closed

                            PORT 1 DISCRETE SERIAL INTERRUPT SELECTION

   IRQ     JB1B/1  JB1B/2   JB1B/3   JB1B/4   JB1B/5   JB1B/6   JB1B/7   JB1B/8   JB1B/9  JB1B/10

  Shared   Closed   Open     Open     Open     Open    Open     Open     Open     Open     Open

  IRQ2     Open    Closed    Open     Open     Open    Open     Open     Open     Open     Open

  IRQ3     Open     Open    Closed    Open     Open    Open     Open     Open     Open     Open

  IRQ4     Open     Open     Open    Closed    Open    Open     Open     Open     Open     Open

  IRQ5     Open     Open     Open     Open    Closed   Open     Open     Open     Open     Open

  IRQ7     Open     Open     Open     Open     Open    Closed   Open     Open     Open     Open

  IRQ10    Open     Open     Open     Open     Open    Open     Closed   Open     Open     Open

  IRQ11    Open     Open     Open     Open     Open    Open     Open     Closed   Open     Open

  IRQ12    Open     Open     Open     Open     Open    Open     Open     Open     Closed   Open

  IRQ15    Open     Open     Open     Open     Open    Open     Open     Open     Open    Closed

                            PORT 2 DISCRETE SERIAL INTERRUPT SELECTION

   IRQ     JB1C/1  JB1C/2   JB1C/3   JB1C/4   JB1C/5   JB1C/6   JB1C/7   JB1C/8   JB1C/9  JB1C/10

  Shared   Closed   Open     Open     Open     Open    Open     Open     Open     Open     Open

  IRQ2     Open    Closed    Open     Open     Open    Open     Open     Open     Open     Open

  IRQ3     Open     Open    Closed    Open     Open    Open     Open     Open     Open     Open

  IRQ4     Open     Open     Open    Closed    Open    Open     Open     Open     Open     Open

  IRQ5     Open     Open     Open     Open    Closed   Open     Open     Open     Open     Open

  IRQ7     Open     Open     Open     Open     Open    Closed   Open     Open     Open     Open

  IRQ10    Open     Open     Open     Open     Open    Open     Closed   Open     Open     Open

  IRQ11    Open     Open     Open     Open     Open    Open     Open     Closed   Open     Open

  IRQ12    Open     Open     Open     Open     Open    Open     Open     Open     Closed   Open

  IRQ15    Open     Open     Open     Open     Open    Open     Open     Open     Open    Closed

                            PORT 3 DISCRETE SERIAL INTERRUPT SELECTION

   IRQ     JB1D/1  JB1D/2   JB1D/3   JB1D/4   JB1D/5   JB1D/6   JB1D/7   JB1D/8   JB1D/9  JB1D/10

  Shared   Closed   Open     Open     Open     Open    Open     Open     Open     Open     Open

  IRQ2     Open    Closed    Open     Open     Open    Open     Open     Open     Open     Open

  IRQ3     Open     Open    Closed    Open     Open    Open     Open     Open     Open     Open

  IRQ4     Open     Open     Open    Closed    Open    Open     Open     Open     Open     Open

  IRQ5     Open     Open     Open     Open    Closed   Open     Open     Open     Open     Open

  IRQ7     Open     Open     Open     Open     Open    Closed   Open     Open     Open     Open

  IRQ10    Open     Open     Open     Open     Open    Open     Closed   Open     Open     Open

  IRQ11    Open     Open     Open     Open     Open    Open     Open     Closed   Open     Open

  IRQ12    Open     Open     Open     Open     Open    Open     Open     Open     Closed   Open

  IRQ15    Open     Open     Open     Open     Open    Open     Open     Open     Open    Closed

                         SHARED SERIAL PORT INTERRUPT SELECTION

  IRQ     JB1E/1  JB1E/2   JB1E/3   JB1E/4   JB1E/5   JB1E/6   JB1E/7   JB1E/8   JB1E/9

  IRQ2    Closed   Open     Open     Open     Open    Open     Open     Open     Open

  IRQ3    Open    Closed    Open     Open     Open    Open     Open     Open     Open

  IRQ4    Open     Open    Closed    Open     Open    Open     Open     Open     Open

  IRQ5    Open     Open     Open    Closed    Open    Open     Open     Open     Open

  IRQ7    Open     Open     Open     Open    Closed   Open     Open     Open     Open

  IRQ10   Open     Open     Open     Open     Open    Closed   Open     Open     Open

  IRQ11   Open     Open     Open     Open     Open    Open     Closed   Open     Open

  IRQ12   Open     Open     Open     Open     Open    Open     Open     Closed   Open

  IRQ15   Open     Open     Open     Open     Open    Open     Open     Open     Closed

                       MISCELLANEOUS TECHNICAL NOTES

  To configure Guardian Watchdog&trade; system:

  a) Plug supplied jumper cable onto top two pins of JB2 and plug other
  end onto reset jumper of mother-board.

  b) Plug reset button cable onto bottom two pins of JB2.

