(TXT) View Source
# OLIVETTI
NPU 9144 (3C505)
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 16-bit ISA
Topology Linear Bus
Wiring Type DIX Transceiver via DB-15 port
RG-58A/U 50ohm coaxial
Boot ROM Available
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| DIX Transceiver via | PORT 1 | RG-58A/U 50ohm | PORT 2 |
| DB-15 port | | coaxial | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SW7/5 | SW7/6 | SW7/7 | SW7/8 | SW7/9 | SW7/10 |
|------+--------+--------+--------+--------+--------+--------|
|»| 3 | Open | Open | Open | Open | Open | Closed |
|-+----+--------+--------+--------+--------+--------+--------|
| | 4 | Open | Open | Open | Open | Closed | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 5 | Open | Open | Open | Closed | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 6 | Open | Open | Closed | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 7 | Open | Closed | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 9 | Closed | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 10 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 11 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 12 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 14 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 15 | Open | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SW5/1 | SW5/2 | SW5/3 | SW5/4 | SW5/5 |
|----------+---------+---------+---------+---------+---------|
| » | 3 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 4 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 5 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 6 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 7 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 9 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 10 | Closed | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 11 | Open | Closed | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 12 | Open | Open | Closed | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 14 | Open | Open | Open | Open | Closed |
|---+------+---------+---------+---------+---------+---------|
| | 15 | Open | Open | Open | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | SW5/6 | SW5/7 | SW7/1 | SW7/2 | SW7/3 | SW7/4 |
|---------+--------+--------+--------+-------+-------+-------|
| | 0 | Closed | Closed | Open | Open | Open | Open |
|---+-----+--------+--------+--------+-------+-------+-------|
|» | 1 | Open | Open | Open | Open |Closed |Closed |
|---+-----+--------+--------+--------+-------+-------+-------|
| | 3 | Open | Open | Closed |Closed | Open | Open |
|---+-----+--------+--------+--------+-------+-------+-------|
| | 5 | Open | Open | Open | Open | Open | Open |
|---+-----+--------+--------+--------+-------+-------+-------|
| | 6 | Open | Open | Open | Open | Open | Open |
|---+-----+--------+--------+--------+-------+-------+-------|
| | 7 | Open | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION (CON’T) |
|------------------------------------------------------------|
| Channel | SW5/8 | SW5/9 | SW5/10 |SW5/11 |SW5/12 |SW5/13 |
|---------+--------+--------+--------+-------+-------+-------|
| | 0 | Open | Open | Open | Open | Open | Open |
|---+-----+--------+--------+--------+-------+-------+-------|
|» | 1 | Open | Open | Open | Open | Open | Open |
|---+-----+--------+--------+--------+-------+-------+-------|
| | 3 | Open | Open | Open | Open | Open | Open |
|---+-----+--------+--------+--------+-------+-------+-------|
| | 5 | Closed | Closed | Open | Open | Open | Open |
|---+-----+--------+--------+--------+-------+-------+-------|
| | 6 | Open | Open | Closed |Closed | Open | Open |
|---+-----+--------+--------+--------+-------+-------+-------|
| | 7 | Open | Open | Open | Open |Closed |Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ROM SIZE SELECTION |
|------------------------------------------------------------|
| Size | SW1 | SW2 |
|--------------------+-------------------+-------------------|
| 64KB | Off | Off |
|--------------------+-------------------+-------------------|
| 128KB | Off | Off |
|--------------------+-------------------+-------------------|
| 256KB | On | Off |
|--------------------+-------------------+-------------------|
| 512KB | On | On |
+------------------------------------------------------------+
+---------------------------------------------------------------+
| BIOS ADDRESS SELECTION |
|---------------------------------------------------------------|
|Address |SW6/1 |SW6/2 |SW6/3 |SW6/4 |SW6/5 |SW6/6 |SW6/7 |SW6/8|
|--------+------+------+------+------+------+------+------+-----|
| |C8000h| Open | Open |Closed| Open | Open |Closed|Closed|Open |
|-+------+------+------+------+------+------+------+------+-----|
| |CA000h|Closed| Open |Closed| Open | Open |Closed|Closed|Open |
|-+------+------+------+------+------+------+------+------+-----|
|»|CC000h| Open |Closed|Closed| Open | Open |Closed|Closed|Open |
|-+------+------+------+------+------+------+------+------+-----|
| |CE000h|Closed|Closed|Closed| Open | Open |Closed|Closed|Open |
|-+------+------+------+------+------+------+------+------+-----|
| |D0000h| Open | Open | Open |Closed| Open |Closed|Closed|Open |
|-+------+------+------+------+------+------+------+------+-----|
| |E6000h|Closed|Closed| Open | Open |Closed|Closed|Closed|Open |
|-+------+------+------+------+------+------+------+------+-----|
| |E8000h| Open | Open |Closed| Open |Closed|Closed|Closed|Open |
|-+------+------+------+------+------+------+------+------+-----|
| |EA000h|Closed| Open |Closed| Open |Closed|Closed|Closed|Open |
|-+------+------+------+------+------+------+------+------+-----|
| |EC000h| Open |Closed|Closed| Open |Closed|Closed|Closed|Open |
|-+------+------+------+------+------+------+------+------+-----|
| |EE000h|Closed|Closed|Closed| Open |Closed|Closed|Closed|Open |
+---------------------------------------------------------------+
+------------------------------------------------------------+
| TRANCEIVER CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP1 |
|----------------------------+-------------------------------|
| Internal - BNC | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| External - DIX | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED - DO NOT ALTER |
|------------------------------------------------------------|
| Jumper/Switch | Position |
|-------------------------------+----------------------------|
| SW3 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | SW4/1 | SW4/2 | SW4/3 | SW4/4 | SW4/5 | SW4/6 |
|----------+--------+--------+-------+-------+-------+-------|
| 000h | Off | Off | Off | Off | Off | Off |
|----------+--------+--------+-------+-------+-------+-------|
| 100h | Off | Off | Off | Off | On | Off |
|----------+--------+--------+-------+-------+-------+-------|
| 200h | Off | Off | Off | Off | Off | On |
|----------+--------+--------+-------+-------+-------+-------|
| 300h | Off | Off | Off | Off | On | On |
+------------------------------------------------------------+