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# 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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|--------------------------+-------+-----------------+-------|
| Serial port via RJ-45 | J1 | Serial port via | J3 |
| connector | | RJ-45 connector | |
|--------------------------+-------+-----------------+-------|
| Serial port via RJ-45 | J2 | Serial port via | J4 |
| connector | | RJ-45 connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Port 0 | Port 1 | Port | Port | JB6/A | JB6/B | JB6/C |
| | | 2 | 3 | | | |
|--------+--------+-------+-------+--------+--------+--------|
| 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™ 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. |
+------------------------------------------------------------+