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# DATAPOINT CORPORATION
ARCNET PLUS
NIC Type ARCnet
Transfer Rate 2.5Mbps/20Mbps
Data Bus 16-bit ISA
Topology Star
Linear bus
Wiring Type RG-62A/U 93ohm coaxial
Boot ROM Available
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|------------------------------------------+-----------------|
| Coaxial connector for internal PC hub | J9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM CONFIGURATION |
|------------------------------------------------------------|
| Setting | S1/1 |
|----------------------------------+-------------------------|
| » | Disabled | Off |
|----+-----------------------------+-------------------------|
| | Enabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BLOCK DECODE SIZE |
|------------------------------------------------------------|
| Block Size | S1/2 |
|----------------------------------------------+-------------|
| » | 16KB memory block decode | On |
|----------+-----------------------------------+-------------|
| | 128KB memory block decode | Off |
|------------------------------------------------------------|
| Note:A 16-bit VGA adapter typically decodes base |
| memory in 128KB blocks. If you are installing the NIC |
| in a system with such a card, you may need to set the |
| NIC block decode size to 128KB. If you set the block |
| decode size to 128KB then all other 16-bit cards in |
| the system must utilize 128KB decode. |
| |
| NIC must be in 16-bit mode for this switch to be |
| functional. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ARCNET MODE CONFIGURATION |
|------------------------------------------------------------|
| Mode | S1/3 |
|-------------------------------+----------------------------|
| Normal ARCnet | On |
|-------------------------------+----------------------------|
| Enhanced ARCnetPlus mode | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA BUS SIZE |
|------------------------------------------------------------|
| Size | S1/4 |
|---------------------------------+--------------------------|
| | 8-bit | Off |
|---+-----------------------------+--------------------------|
| » | 16-bit | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | S2/1 | S2/2 | S2/3 | S2/4 |
|--------------+-----------+-----------+----------+----------|
| » | 2/9 | On | Off | On | On |
|---+----------+-----------+-----------+----------+----------|
| | 3 | Off | Off | On | On |
|---+----------+-----------+-----------+----------+----------|
| | 4 | On | On | Off | On |
|---+----------+-----------+-----------+----------+----------|
| | 5 | Off | On | Off | On |
|---+----------+-----------+-----------+----------+----------|
| | 7 | Off | Off | Off | On |
|---+----------+-----------+-----------+----------+----------|
| | 10 | On | Off | On | Off |
|---+----------+-----------+-----------+----------+----------|
| | 11 | Off | Off | On | Off |
|---+----------+-----------+-----------+----------+----------|
| | 14 | On | Off | Off | Off |
|---+----------+-----------+-----------+----------+----------|
| | 15 | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | S3/1 | S3/2 | S3/3 |S3/4 |S3/5 |S3/6 |S3/7 |S3/8 |
|---------+------+------+------+-----+-----+-----+-----+-----|
| | 260h | On | Off | Off | On | On | Off | On | On |
|--+------+------+------+------+-----+-----+-----+-----+-----|
| | 290h | Off | On | On | Off | On | Off | On | On |
|--+------+------+------+------+-----+-----+-----+-----+-----|
| | 2C0h | On | On | Off | Off | On | Off | On | On |
|--+------+------+------+------+-----+-----+-----+-----+-----|
| | 2D0h | Off | On | Off | Off | On | Off | On | On |
|--+------+------+------+------+-----+-----+-----+-----+-----|
|» | 2E0h | On | Off | Off | Off | On | Off | On | On |
|--+------+------+------+------+-----+-----+-----+-----+-----|
| | 2F0h | Off | Off | Off | Off | On | Off | On | On |
|--+------+------+------+------+-----+-----+-----+-----+-----|
| | 300h | On | On | On | On | Off | Off | On | On |
|--+------+------+------+------+-----+-----+-----+-----+-----|
| | 310h | Off | On | On | On | Off | Off | On | On |
|--+------+------+------+------+-----+-----+-----+-----+-----|
| | 320h | On | Off | On | On | Off | Off | On | On |
|--+------+------+------+------+-----+-----+-----+-----+-----|
| | 350h | Off | On | Off | On | Off | Off | On | On |
|--+------+------+------+------+-----+-----+-----+-----+-----|
| | 380h | On | On | On | Off | Off | Off | On | On |
|--+------+------+------+------+-----+-----+-----+-----+-----|
| | 3E0h | On | Off | Off | Off | Off | Off | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS |
|------------------------------------------------------------|
| Base | S4/3 | S4/4 | S4/5 | S4/6 | S4/7 | S4/8 |
|------------+-------+-------+-------+-------+-------+-------|
| | C0000h | On | On | On | On | Off | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | C4000h | Off | On | On | On | Off | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | C8000h | On | Off | On | On | Off | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | CC000h | Off | Off | On | On | Off | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| » | D0000h | On | On | Off | On | Off | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | D4000h | Off | On | Off | On | Off | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | D8000h | On | Off | Off | On | Off | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | DC000h | Off | Off | Off | On | Off | Off |
|------------------------------------------------------------|
| Note:S4/1 and S4/2 are not used. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NODE ADDRESS |
|------------------------------------------------------------|
| Node | S5/1 | S5/2 | S5/3 | S5/4 | S5/5 |S5/6 |S5/7 |S5/8 |
|-------+------+------+------+------+------+-----+-----+-----|
| 0 | - | - | - | - | - | - | - | - |
|-------+------+------+------+------+------+-----+-----+-----|
| 1 | On | On | On | On | On | On | On | Off |
|-------+------+------+------+------+------+-----+-----+-----|
| 2 | On | On | On | On | On | On | Off | On |
|-------+------+------+------+------+------+-----+-----+-----|
| 3 | On | On | On | On | On | On | Off | Off |
|-------+------+------+------+------+------+-----+-----+-----|
| 4 | On | On | On | On | On | Off | On | On |
|-------+------+------+------+------+------+-----+-----+-----|
| 251 | Off | Off | Off | Off | Off | On | Off | Off |
|-------+------+------+------+------+------+-----+-----+-----|
| 252 | Off | Off | Off | Off | Off | Off | On | On |
|-------+------+------+------+------+------+-----+-----+-----|
| 253 | Off | Off | Off | Off | Off | Off | On | Off |
|-------+------+------+------+------+------+-----+-----+-----|
| 254 | Off | Off | Off | Off | Off | Off | Off | On |
|-------+------+------+------+------+------+-----+-----+-----|
| 255 | Off | Off | Off | Off | Off | Off | Off | Off |
|------------------------------------------------------------|
|Note:Node address 0 is used for messaging between nodes and |
|must not be used. |
| |
| A total of 255 node address settings are available. The |
| switches are a binary representation of the decimal node |
| addresses. Switch 8 is the Least Significant Bit and |
| switch 1 is the Most Significant Bit. The switches have |
| the following decimal values: switch 1=128, 2=64, 3=32, |
| 4=16, 5=8, 6=4, 7=2, 8=1. Turn Off the switches and add |
| the values of the Off switches to obtain the correct node |
| address. (On=0, Off=1) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESPONSE AND RECONFIGURATION TIMEOUTS |
|------------------------------------------------------------|
| Timeout | J3 | J5 | J4 |
|-----------------------+------------+-----------+-----------|
| » | 840ms | Open | Open | Open |
|------+----------------+------------+-----------+-----------|
| | 1.68 sec | Open | Open | Closed |
|------+----------------+------------+-----------+-----------|
| | 3.36 sec | Open | Closed | Open |
|------+----------------+------------+-----------+-----------|
| | 6.72 sec | Open | Closed | Closed |
|------+----------------+------------+-----------+-----------|
| | 13.44 sec | Closed | Open | Open |
|------+----------------+------------+-----------+-----------|
| | 26.88 sec | Closed | Open | Closed |
|------+----------------+------------+-----------+-----------|
| | 53.76 sec | Closed | Closed | Open |
|------+----------------+------------+-----------+-----------|
| | 1.7887 min | Closed | Closed | Closed |
|------------------------------------------------------------|
| Note:All NICs on the network segment must have this option |
| set the same. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUFFER RAM SIZE |
|------------------------------------------------------------|
| Size | Chip | W1 |
|---------------------+-------------------+------------------|
| | 8KB | 8K x 8 | Open |
|---+-----------------+-------------------+------------------|
| » | 32KB | 32K x 8 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MICRO-CODE ROM SIZE |
|------------------------------------------------------------|
| Size | W2 |
|-------------------------------+----------------------------|
| » | 4KB | Open |
|----+--------------------------+----------------------------|
| | 8KB | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOGIC/CHASSIS GROUND |
|------------------------------------------------------------|
| Setting | W3 |
|-----------------------------------+------------------------|
| » | RFI grounding enabled | Closed |
|---+-------------------------------+------------------------|
| | RFI grounding disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Setting |
|--------------------------------+-------------+-------------|
| » | Factory test mode disabled | JP7 | Closed |
+------------------------------------------------------------+
(IMG) IMG 2
+------------------------------------------------------------+
| DIAGNOSTIC LED |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+-------+-----------+---------------------------------|
| LED1 | Amber | On | PC is currently accessing |
| | | | adapter card |
|------+-------+-----------+---------------------------------|
| LED1 | Amber | Flashing | Initial power-on self test |
|------+-------+-----------+---------------------------------|
| LED1 | Amber | Pulsating | Software driver initialization |
|------+-------+-----------+---------------------------------|
| LED1 | Amber | Off | PC to NIC communication idle |
|------+-------+-----------+---------------------------------|
| LED2 | Green | On | Transmission in progress |
|------+-------+-----------+---------------------------------|
| LED2 | Green | Flashing | Connection to network in |
| | | | progress |
|------+-------+-----------+---------------------------------|
| LED2 | Green | Off | No network connection, or card |
| | | | malfunction |
|------------------------------------------------------------|
| Note:Location of LED1 is unknown. |
+------------------------------------------------------------+