NPU 9144 (3C505) Network Card Settings and Configuration
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 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
DIX Transceiver via DB-15 port | PORT 1 | RG-58A/U 50ohm coaxial | PORT 2 |
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 |
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