DOLPHIN PERIPHERALS, LLC.
FASTISA-4042, 4061
Card Type | Serial card |
Chip Set | Unidentified |
I/O Options | Serial port |
Data Bus | 16-bit ISA |

CONNECTIONS | |
Function | Label |
Serial port | S1 |
SERIAL PORT 1 ADDRESS SELECTION | ||
Setting | JP1 | |
| » | COM1 | Pins 1 & 2 closed |
COM2 | Pins 3 & 4 closed | |
COM3 | Pins 5 & 6 closed | |
COM4 | Pins 7 & 8 closed | |
COM5 | Pins 9 & 10 closed | |
COM6 | Pins 11 & 12 closed | |
COM7 | Pins 13 & 14 closed | |
COM8 | Pins 15 & 16 closed | |
SERIAL PORT 2 ADDRESS SELECTION | ||
Setting | JP2 | |
COM1 | Pins 1 & 2 closed | |
| » | COM2 | Pins 3 & 4 closed |
COM3 | Pins 5 & 6 closed | |
COM4 | Pins 7 & 8 closed | |
COM5 | Pins 9 & 10 closed | |
COM6 | Pins 11 & 12 closed | |
COM7 | Pins 13 & 14 closed | |
COM8 | Pins 15 & 16 closed | |
SERIAL PORT 3 ADDRESS SELECTION | ||
Setting | JP3 | |
COM1 | Pins 1 & 2 closed | |
COM2 | Pins 3 & 4 closed | |
| » | COM3 | Pins 5 & 6 closed |
COM4 | Pins 7 & 8 closed | |
COM5 | Pins 9 & 10 closed | |
COM6 | Pins 11 & 12 closed | |
COM7 | Pins 13 & 14 closed | |
COM8 | Pins 15 & 16 closed | |
SERIAL PORT 4 ADDRESS SELECTION | ||
Setting | JP4 | |
COM1 | Pins 1 & 2 closed | |
COM2 | Pins 3 & 4 closed | |
| COM3 | Pins 5 & 6 closed | |
| » | COM4 | Pins 7 & 8 closed |
COM5 | Pins 9 & 10 closed | |
COM6 | Pins 11 & 12 closed | |
COM7 | Pins 13 & 14 closed | |
COM8 | Pins 15 & 16 closed | |
SERIAL PORT 1 INTERRUPT SELECTION | ||
IRQ | JP5 | |
| » | 3 | Pins 1 & 2 closed |
4 | Pins 3 & 4 closed | |
| 5 | Pins 5 & 6 closed | |
6 | Pins 7 & 8 closed | |
7 | Pins 9 & 10 closed | |
9 | Pins 11 & 12 closed | |
10 | Pins 13 & 14 closed | |
11 | Pins 15 & 16 closed | |
12 | Pins 17 & 18 closed | |
15 | Pins 19 & 20 closed | |
SERIAL PORT 2 INTERRUPT SELECTION | ||
IRQ | JP6 | |
| 3 | Pins 1 & 2 closed | |
| » | 4 | Pins 3 & 4 closed |
| 5 | Pins 5 & 6 closed | |
6 | Pins 7 & 8 closed | |
7 | Pins 9 & 10 closed | |
9 | Pins 11 & 12 closed | |
10 | Pins 13 & 14 closed | |
11 | Pins 15 & 16 closed | |
12 | Pins 17 & 18 closed | |
15 | Pins 19 & 20 closed | |
SERIAL PORT 3 INTERRUPT SELECTION | ||
IRQ | JP7 | |
| » | 3 | Pins 1 & 2 closed |
4 | Pins 3 & 4 closed | |
| 5 | Pins 5 & 6 closed | |
6 | Pins 7 & 8 closed | |
7 | Pins 9 & 10 closed | |
9 | Pins 11 & 12 closed | |
10 | Pins 13 & 14 closed | |
11 | Pins 15 & 16 closed | |
12 | Pins 17 & 18 closed | |
15 | Pins 19 & 20 closed | |
SERIAL PORT 4 INTERRUPT SELECTION | ||
IRQ | JP8 | |
| 3 | Pins 1 & 2 closed | |
| » | 4 | Pins 3 & 4 closed |
| 5 | Pins 5 & 6 closed | |
6 | Pins 7 & 8 closed | |
7 | Pins 9 & 10 closed | |
9 | Pins 11 & 12 closed | |
10 | Pins 13 & 14 closed | |
11 | Pins 15 & 16 closed | |
12 | Pins 17 & 18 closed | |
15 | Pins 19 & 20 closed | |
SERIAL PORT 1 CLOCK SPEED SELECTION | ||
Speed | JP9 | |
| » | 1.8432MHz | Pins 1 & 2 closed |
3.6864MHz | Pins 3 & 4 closed | |
7.3728MHz | Pins 5 & 6 closed | |
SERIAL PORT 2 CLOCK SPEED SELECTION | ||
Speed | JP10 | |
| » | 1.8432MHz | Pins 1 & 2 closed |
3.6864MHz | Pins 3 & 4 closed | |
7.3728MHz | Pins 5 & 6 closed | |
SERIAL PORT 3 CLOCK SPEED SELECTION | ||
Speed | JP11 | |
| » | 1.8432MHz | Pins 1 & 2 closed |
3.6864MHz | Pins 3 & 4 closed | |
7.3728MHz | Pins 5 & 6 closed | |
SERIAL PORT 4 CLOCK SPEED SELECTION | ||
Speed | JP12 | |
| » | 1.8432MHz | Pins 1 & 2 closed |
3.6864MHz | Pins 3 & 4 closed | |
7.3728MHz | Pins 5 & 6 closed | |
CONFIGURATION MODE SELECTION | ||||
Mode | JP13 | JP14 | JP15 | |
| » | DOS mode | Pins 1 & 2 closed | Pins 1 & 2 closed | Open |
AST/UNIX mode | #1 | Pins 3 & 4 closed | #2 | |
Note: #1 = setting will depend on desired base address. #2 will depend which IRQ is shared with COM ports. Base address settings are listed below. | ||||
BASE ADDRESS SELECTION | |||
COM port | JP13/pins 1 & 2 (DOS) | JP13/pins 1 & 2, 3 & 4 (DOS EXT) | JP13/pins 1 & 2, 5 & 6 (DOS MD1) |
1 | 3F8 | 3E0 | 3A0 |
2 | 2F8 | 2F0 | 3A8 |
3 | 3E8 | 3E8 | 3B0 |
4 | 2E8 | 2E8 | 3B8 |
5 | 3E0 | 250 | 2A0 |
6 | 2F0 | 258 | 2A8 |
7 | 2E0 | 260 | 2B0 |
8 | 260 | 268 | 2B8 |
BASE ADDRESS SELECTION (CON’T) | |||
COM port | JP13/pins 1 & 2, 7 & 8 (DOS MD2) | JP13/pins 1 & 2, 3 & 4, 5 & 6 (DOS EXT MD1) | JP13/pins 1 & 2, 3 & 4, 7 & 8 (DOS EXT MD2) |
1 | 338 | 360 | 340 |
2 | 238 | 260 | 240 |
3 | 328 | 350 | 330 |
4 | 228 | 250 | 230 |
5 | 1A0 | 180 | 250 |
6 | 1A8 | 188 | 258 |
7 | 1B0 | 190 | 260 |
8 | 1B8 | 198 | 268 |
MISCELLANEOUS TECHNICAL NOTE |
If board is configured in an AST/UNIX mode, the system/software must be able to support the use of one IRQ for all four COM ports that are assigned. Before configuring in an AST/UNIX mode, make sure the system is capable |