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# QUATECH, INC.
QS-200D/DS, QS-300D/DS
Card Type Serial controller
Chipset/Controller 16450/16550 UART
I/O Options Serial ports (4)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|----------------------------------------+-------------------|
| Serial ports (4) connector - DB-37 | CN1 |
|------------------------------------------------------------|
| Note: CN1 can be converted to four DB-25 serial ports via |
| a proprietary converter cable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SPEED |
|------------------------------------------------------------|
| MHz | J1 |
|--------------------------+---------------------------------|
| » | 1.8432MHz | pins 1 & 2, 4 & 5, 3 & 6 closed |
|---+----------------------+---------------------------------|
| | 3.6864MHz | pins 2 & 3, 4 & 5 closed |
|---+----------------------+---------------------------------|
| | 9.216MHz | pins 1 & 2, 5 & 6 closed |
|---+----------------------+---------------------------------|
| | 18.432MHz | pins 2 & 5 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 REQUEST TO SEND (RTS)/CLEAR TO SEND (CTS) |
| MODE |
|------------------------------------------------------------|
| Setting | J2 |
|--------------------------------------+---------------------|
| » | Loopback RTS to CTS | pins 1 & 5 closed |
|----+---------------------------------+---------------------|
| | RTS transmit on AUXOUT/CTS | pins 1 & 2, 5 & 6 |
| | receive on AUXIN | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 RTS/CTS MODE |
|------------------------------------------------------------|
| Setting | J3 |
|---------------------------------------+--------------------|
| » | Loopback RTS to CTS | pins 1 & 5 closed |
|---+-----------------------------------+--------------------|
| | RTS transmit on AUXOUT/CTS | pins 1 & 2, 5 & 6 |
| | receive on AUXIN | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 3 RTS/CTS MODE |
|------------------------------------------------------------|
| Setting | J4 |
|---------------------------------------+--------------------|
| » | Loopback RTS to CTS | pins 1 & 5 closed |
|---+-----------------------------------+--------------------|
| | RTS transmit on AUXOUT/CTS | pins 1 & 2, 5 & 6 |
| | receive on AUXIN | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 4 RTS/CTS MODE |
|------------------------------------------------------------|
| Setting | J5 |
|---------------------------------------+--------------------|
| » | Loopback RTS to CTS | pins 1 & 5 closed |
|---+-----------------------------------+--------------------|
| | RTS transmit on AUXOUT/CTS | pins 1 & 2, 5 & 6 |
| | receive on AUXIN | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 RCLK MODE |
|------------------------------------------------------------|
| Setting | J2 |
|----------------------------------+-------------------------|
| » | Loopback XCLK to RCLK | pins 3 & 7 closed |
|---+------------------------------+-------------------------|
| | Receive RCLK on AUXIN | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 RCLK MODE |
|------------------------------------------------------------|
| Setting | J3 |
|----------------------------------+-------------------------|
| » | Loopback XCLK to RCLK | pins 3 & 7 closed |
|---+------------------------------+-------------------------|
| | Receive RCLK on AUXIN | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 3 RCLK MODE |
|------------------------------------------------------------|
| Setting | J4 |
|----------------------------------+-------------------------|
| » | Loopback XCLK to RCLK | pins 3 & 7 closed |
|---+------------------------------+-------------------------|
| | Receive RCLK on AUXIN | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 4 RCLK MODE |
|------------------------------------------------------------|
| Setting | J5 |
|----------------------------------+-------------------------|
| » | Loopback XCLK to RCLK | pins 3 & 7 closed |
|---+------------------------------+-------------------------|
| | Receive RCLK on AUXIN | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 XCLK MODE |
|------------------------------------------------------------|
| Setting | J2 |
|-----------------------------------+------------------------|
| » | Loopback XCLK to RCLK | pins 3 & 7 closed |
|---+-------------------------------+------------------------|
| | Transmit XCLK on AUXOUT | pins 6 & 7 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 XCLK MODE |
|------------------------------------------------------------|
| Setting | J3 |
|-----------------------------------+------------------------|
| » | Loopback XCLK to RCLK | pins 3 & 7 closed |
|---+-------------------------------+------------------------|
| | Transmit XCLK on AUXOUT | pins 6 & 7 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 3 XCLK MODE |
|------------------------------------------------------------|
| Setting | J4 |
|-----------------------------------+------------------------|
| » | Loopback XCLK to RCLK | pins 3 & 7 closed |
|---+-------------------------------+------------------------|
| | Transmit XCLK on AUXOUT | pins 6 & 7 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 4 XCLK MODE |
|------------------------------------------------------------|
| Setting | J5 |
|-----------------------------------+------------------------|
| » | Loopback XCLK to RCLK | pins 3 & 7 closed |
|---+-------------------------------+------------------------|
| | Transmit XCLK on AUXOUT | pins 6 & 7 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 AUXIN/AUXOUT LOOPBACK |
|------------------------------------------------------------|
| Setting | J2 |
|------------------------------------+-----------------------|
| » | AUXIN/AUXOUT loopback enabled | pins 2 & 6 closed |
|---+--------------------------------+-----------------------|
| | AUXIN/AUXOUT loopback disabled | pins 2 & 6 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 AUXIN/AUXOUT LOOPBACK |
|------------------------------------------------------------|
| Setting | J3 |
|------------------------------------+-----------------------|
| » | AUXIN/AUXOUT loopback enabled | pins 2 & 6 closed |
|---+--------------------------------+-----------------------|
| | AUXIN/AUXOUT loopback disabled | pins 2 & 6 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 3 AUXIN/AUXOUT LOOPBACK |
|------------------------------------------------------------|
| Setting | J4 |
|------------------------------------+-----------------------|
| » | AUXIN/AUXOUT loopback enabled | pins 2 & 6 closed |
|---+--------------------------------+-----------------------|
| | AUXIN/AUXOUT loopback disabled | pins 2 & 6 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 4 AUXIN/AUXOUT LOOPBACK |
|------------------------------------------------------------|
| Setting | J5 |
|------------------------------------+-----------------------|
| » | AUXIN/AUXOUT loopback enabled | pins 2 & 6 closed |
|---+--------------------------------+-----------------------|
| | AUXIN/AUXOUT loopback disabled | pins 2 & 6 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 HALF/FULL DUPLEX SELECTION |
|------------------------------------------------------------|
| Setting | J2 |
|-----------------------------------+------------------------|
| » | Full-duplex mode enabled | pins 4 & 8 open |
|---+-------------------------------+------------------------|
| | Half-duplex mode enabled | pins 4 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 HALF/FULL DUPLEX SELECTION |
|------------------------------------------------------------|
| Setting | J3 |
|-----------------------------------+------------------------|
| » | Full-duplex mode enabled | pins 4 & 8 open |
|---+-------------------------------+------------------------|
| | Half-duplex mode enabled | pins 4 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 3 HALF/FULL DUPLEX SELECTION |
|------------------------------------------------------------|
| Setting | J4 |
|-----------------------------------+------------------------|
| » | Full-duplex mode enabled | pins 4 & 8 open |
|---+-------------------------------+------------------------|
| | Half-duplex mode enabled | pins 4 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 4 HALF/FULL DUPLEX SELECTION |
|------------------------------------------------------------|
| Setting | J5 |
|-----------------------------------+------------------------|
| » | Full-duplex mode enabled | pins 4 & 8 open |
|---+-------------------------------+------------------------|
| | Half-duplex mode enabled | pins 4 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------------------------------+
| INTERRUPT SELECTION - J6 |
|------------------------------------------------------------------------------------|
| IRQ | A | B | C | D | E | F | G | H | I | J | K |
|-------+------+------+------+------+------+------+------+------+------+------+------|
|»|IRQ3 | open |closed| open | open | open | open | open | open | open | open | open |
|-+-----+------+------+------+------+------+------+------+------+------+------+------|
| |IRQ2 |closed| open | open | open | open | open | open | open | open | open | open |
|-+-----+------+------+------+------+------+------+------+------+------+------+------|
| |IRQ4 | open | open |closed| open | open | open | open | open | open | open | open |
|-+-----+------+------+------+------+------+------+------+------+------+------+------|
| |IRQ5 | open | open | open |closed| open | open | open | open | open | open | open |
|-+-----+------+------+------+------+------+------+------+------+------+------+------|
| |IRQ6 | open | open | open | open |closed| open | open | open | open | open | open |
|-+-----+------+------+------+------+------+------+------+------+------+------+------|
| |IRQ7 | open | open | open | open | open |closed| open | open | open | open | open |
|-+-----+------+------+------+------+------+------+------+------+------+------+------|
| |IRQ10| open | open | open | open | open | open |closed| open | open | open | open |
|-+-----+------+------+------+------+------+------+------+------+------+------+------|
| |IRQ11| open | open | open | open | open | open | open |closed| open | open | open |
|-+-----+------+------+------+------+------+------+------+------+------+------+------|
| |IRQ12| open | open | open | open | open | open | open | open |closed| open | open |
|-+-----+------+------+------+------+------+------+------+------+------+------+------|
| |IRQ14| open | open | open | open | open | open | open | open | open |closed| open |
|-+-----+------+------+------+------+------+------+------+------+------+------+------|
| |IRQ15| open | open | open | open | open | open | open | open | open | open |closed|
|------------------------------------------------------------------------------------|
|Note: All ports share the same IRQ. |
+------------------------------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDRESS CONFIGURATION ||
|-----------------------------------------------------------||
| Base Address | SW1 | SW2 ||
|-----------------------+-----------------+-----------------||
| » | 300h | 1, 2, 3, 4, 5 & | 3, 4 & 5 on ||
| | | 6 on | ||
|---+-------------------+-----------------+-----------------||
| | 54A0h | 1, 3 & 5 on | 1, 2 & 4 on ||
|---+--------------------------------------------------------|
| | Note (1): The address range for the QS-200D/300D is |
| | from 0 to FFFFh. The switches are a binary |
| | representation of the addresses. When a switch is |
| | off, the corresponding bit is set to 1 and has the |
| | following decimal value: SW1/1=8, SW1/2=4, SW1/3=2, |
| | SW1/4=1, SW1/5=8, SW1/6=4, SW2/1=2, SW2/2=1, |
| | SW2/3=8, SW2/4=4, SW2/5=2. The QS-200D/300D requires |
| | 32 consecutive address locations for all four serial |
| | ports. |
| | |
| | Note (2): The base address selected above is for |
| | Port 1. To obtain the addresses for the other ports, |
| | add to the Port 1 address the following numbers: |
| | |
| | Port 2 address = Port 1 address + 8 |
| | |
| | Port 3 address = Port 1 address + 16 |
| | |
| | Port 4 address = Port 1 address + 24 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT STATUS REGISTER |
|------------------------------------------------------------|
| Setting | SW2/6 |
|---------------------------------------+--------------------|
| » | Scratchpad register enabled | Off |
|---+-----------------------------------+--------------------|
| | Interrupt status register enabled | On |
+------------------------------------------------------------+