ABC COMPUTER COMPANY, LTD.
ETHERNET A3251
| 
 NIC Type  | 
 Ethernet  | 
| 
 Transfer Rate  | 
 10Mbps  | 
| 
 Data Bus  | 
 16-bit ISA  | 
| 
 Topology  | 
 Linear Bus  | 
| 
 Wiring Type  | 
 RG-58A/U 50ohm coaxial AUI transceiver via DB-15 port  | 
| 
 Boot ROM  | 
 Available  | 
| 
 INTERRUPT REQUEST  | |||||
| 
 IRQ  | 
 JP6  | 
 JP7  | 
 JP8  | 
 JP9  | |
| 
 2  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| » | 
 3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 BOOT ROM  | ||
| 
 Type  | 
 JP1  | |
| » | 
 Enabled  | 
 Pins 1 & 2 Closed  | 
| 
 Disabled  | 
 Pins 2 & 3 Closed  | |
| 
 CABLE TYPE  | |||
| 
 Type  | 
 JP10 - JP13 & JP15  | 
 JP16 - JP18 & JP20 - JP21  | |
| » | 
 RG-58A/U 50ohm coaxial  | 
 Closed  | 
 Open  | 
| 
 AUI transceiver via DB-15 port  | 
 Open  | 
 Closed  | |
| 
 I/O BASE ADDRESS  | |||||
| 
 I/O Address  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | |
| 
 280-29F  | 
 On  | 
 On  | 
 On  | 
 On  | |
| » | 
 2A0-2BF  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 2C0-2DF  | 
 On  | 
 On  | 
 Off  | 
 On  | |
| 
 2E0-2FF  | 
 On  | 
 Off  | 
 Off  | 
 On  | |
| 
 300-31F  | 
 On  | 
 On  | 
 On  | 
 Off  | |
| 
 320-33F  | 
 On  | 
 Off  | 
 On  | 
 Off  | |
| 
 340-35F  | 
 On  | 
 On  | 
 Off  | 
 Off  | |
| 
 360-37F  | 
 On  | 
 Off  | 
 Off  | 
 Off  | |
| 
 BASE MEMORY ADDRESS  | |||
| 
 Base Address  | 
 SW1/5  | 
 SW1/6  | |
| 
 C0000-C3FFF  | 
 On  | 
 On  | |
| 
 C4000-C7FFF  | 
 Off  | 
 On  | |
| 
 C8000-CBFFF  | 
 On  | 
 Off  | |
| » | 
 CC000- CFFFF  | 
 Off  | 
 Off  | 
| 
 MISCELLANEOUS NOTES  | 
| 
 Different drivers must be used for the National & the Fujitsu chipset cards, & are not interchangeable. Fujitsu adapters may be used for either 8 or 16 bit Fujitsu cards. While the National chipset cards require a different driver for an 8 or 16 bit card.  |