CHASE RESEARCH, INC.
CHASE AT-FAST 8
Card Type | Serial card |
Chip Set | Unidentified |
I/O Options | Serial ports (8) |
Card Size | Half-length, full-height |

CONNECTIONS | |
Function | Label |
Serial ports via DB78 connector | CN1 |
USER CONFIGURABLE SETTINGS | ||
Function | Label | Position |
Card starts in high speed mode | JP4 | Pins 1 & 2 closed |
Card starts in normal speed mode | JP4 | Pins 2 & 3 closed |
I/O ADDRESS SELECTION | |||||||
Address | JP1/A | JP1/B | JP1/C | JP1/D | JP2/A | JP2/B | JP2/C |
100h | Closed | Open | Open | Open | Closed | Open | Open |
140h | Open | Closed | Open | Open | Closed | Open | Open |
180h | Open | Open | Closed | Open | Closed | Open | Open |
1C0h | Open | Open | Open | Closed | Closed | Open | Open |
200h | Closed | Open | Open | Open | Open | Closed | Open |
240h | Open | Closed | Open | Open | Open | Closed | Open |
280h | Open | Open | Closed | Open | Open | Closed | Open |
2C0h | Open | Open | Open | Closed | Open | Closed | Open |
300h | Closed | Open | Open | Open | Open | Open | Closed |
340h | Open | Closed | Open | Open | Open | Open | Closed |
380h | Open | Open | Closed | Open | Open | Open | Closed |
3C0h | Open | Open | Open | Closed | Open | Open | Closed |
INTERRUPT SELECTION | ||||||||
IRQ | JP3/A | JP3/B | JP3/C | JP3/D | JP3/E | JP3/F | JP3/G | JP3/H |
IRQ15 | Closed | Open | Open | Open | Open | Open | Open | Open |
IRQ12 | Open | Closed | Open | Open | Open | Open | Open | Open |
IRQ11 | Open | Open | Closed | Open | Open | Open | Open | Open |
IRQ10 | Open | Open | Open | Closed | Open | Open | Open | Open |
IRQ7 | Open | Open | Open | Open | Closed | Open | Open | Open |
IRQ5 | Open | Open | Open | Open | Open | Closed | Open | Open |
IRQ4 | Open | Open | Open | Open | Open | Open | Closed | Open |
IRQ3 | Open | Open | Open | Open | Open | Open | Open | Closed |