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# NATURAL MICROSYSTEMS CORPORATION
AG-8, AG-8/F
Card Type Telephony
Chip Set TI TMS320C51
I/O options MVIP bus, serial port
Processor 80386SX
Processor Speed 16/25MHz
Maximum Onboard Memory 512KB DRAM/256KB SRAM
Data Bus 16-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|---------------------------+-------+----------------+-------|
| RS-232 port (see pinout | E43 | Lines 3 & 4 | CN2 |
| below) | | | |
|---------------------------+-------+----------------+-------|
| MVIP bus | JP5 | Lines 5 & 6 | CN3 |
|---------------------------+-------+----------------+-------|
| DSP daughterboard | JP7 | Lines 7 & 8 | CN4 |
|---------------------------+-------+----------------+-------|
| Mini-ISA daughterboard | JP8 | Power, ground, | CN5 |
| | | and signaling | |
|---------------------------+-------+----------------+-------|
| Lines 1 & 2 | CN1 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| E43 PINOUT |
|------------------------------------------------------------|
| Pin | Function |
|----------------------------+-------------------------------|
| 1 | Ground |
|----------------------------+-------------------------------|
| 2 | Transmit |
|----------------------------+-------------------------------|
| 3 | Receive |
|----------------------------+-------------------------------|
| 4 | Ground |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM BANK 0 |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 32KB | (4) 16K x 4 |
|----------------------------+-------------------------------|
| 128KB | (4) 64K x 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM BANK 0 CONFIGURATION |
|------------------------------------------------------------|
| Size | R66 | R67 | R68 |
|------------+---------------+---------------+---------------|
| 32KB | Installed | Installed | Not installed |
|------------+---------------+---------------+---------------|
| 128KB | Not installed | Not installed | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM BANK 1 |
|------------------------------------------------------------|
| Size | Bank 1 |
|----------------------------+-------------------------------|
| 32KB | (4) 16K x 4 |
|----------------------------+-------------------------------|
| 128KB | (4) 64K x 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM BANK 1 CONFIGURATION |
|------------------------------------------------------------|
| Size | R63 | R64 | R65 |
|------------+---------------+---------------+---------------|
| 32KB | Installed | Installed | Not installed |
|------------+---------------+---------------+---------------|
| 128KB | Not installed | Not installed | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS (FIRST DIGIT) |
|------------------------------------------------------------|
| Setting | S1/1 | S1/2 | S1/3 |
|---------------+---------------+--------------+-------------|
| 0 xxx h | On | On | On |
|---------------+---------------+--------------+-------------|
| 2 xxx h | Off | On | On |
|---------------+---------------+--------------+-------------|
| 4 xxx h | On | Off | On |
|---------------+---------------+--------------+-------------|
| 6 xxx h | Off | Off | On |
|---------------+---------------+--------------+-------------|
| 8 xxx h | On | On | Off |
|---------------+---------------+--------------+-------------|
| A xxx h | Off | On | Off |
|---------------+---------------+--------------+-------------|
| C xxx h | On | Off | Off |
|---------------+---------------+--------------+-------------|
| E xxx h | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS (LAST THREE DIGITS) |
|------------------------------------------------------------|
| Setting | S1/4 | S1/5 | S1/6 |
|---------------+--------------+--------------+--------------|
| x 100h | On | Off | Off |
|---------------+--------------+--------------+--------------|
| x 180h | Off | On | Off |
|---------------+--------------+--------------+--------------|
| x 1A0h | Off | Off | On |
|---------------+--------------+--------------+--------------|
| x 1C0h | Off | On | On |
|---------------+--------------+--------------+--------------|
| x 280h | On | On | Off |
|---------------+--------------+--------------+--------------|
| x 2A0h | On | Off | On |
|---------------+--------------+--------------+--------------|
| x 2C0h | On | On | On |
|---------------+--------------+--------------+--------------|
| x 340h | Off | Off | Off |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+--------+-------------------------------------|
| D1 | Red | On | Task processor 1 request in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D1 | Red | Off | Task processor 1 request not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D1 | Green | On | Task processor 1 grant in progress |
|-----+-------+--------+-------------------------------------|
| D1 | Green | Off | Task processor 1 grant not in |
| | | | progress |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) (CON’T) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+--------+-------------------------------------|
| D2 | Red | On | Task processor 2 request in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D2 | Red | Off | Task processor 2 request not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D2 | Green | On | Task processor 2 grant in progress |
|-----+-------+--------+-------------------------------------|
| D2 | Green | Off | Task processor 2 grant not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D3 | Red | On | MVIP processor request in progress |
|-----+-------+--------+-------------------------------------|
| D3 | Red | Off | MVIP processor request not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D3 | Green | On | MVIP processor grant in progress |
|-----+-------+--------+-------------------------------------|
| D3 | Green | Off | MVIP processor grant not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D4 | Red | On | Processor is reset |
|-----+-------+--------+-------------------------------------|
| D4 | Red | Off | Processor is not reset |
|-----+-------+--------+-------------------------------------|
| D4 | Green | On | SRAM is "not busy" |
|-----+-------+--------+-------------------------------------|
| D4 | Green | Off | SRAM is "busy" |
|-----+-------+--------+-------------------------------------|
| D5 | Red | On | Processor is transmitting data |
|-----+-------+--------+-------------------------------------|
| D5 | Red | Off | Processor is receiving data |
|-----+-------+--------+-------------------------------------|
| D5 | Green | On | Host is reading/writing to SRAM |
|-----+-------+--------+-------------------------------------|
| D5 | Green | Off | Processor is reading/writing to |
| | | | SRAM |
|-----+-------+--------+-------------------------------------|
| D6 | Red | On | DSP chips are reset |
|-----+-------+--------+-------------------------------------|
| D6 | Red | Off | DSP chips are not reset |
|-----+-------+--------+-------------------------------------|
| D8 | Green | On | Diagnostics are being performed |
|-----+-------+--------+-------------------------------------|
| D8 | Green | Off | Diagnostics are not being performed |
|-----+-------+--------+-------------------------------------|
| D9 | Green | On | External power supply is on |
|-----+-------+--------+-------------------------------------|
| D9 | Green | Off | External power supply is off |
+------------------------------------------------------------+