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 |