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  |