QDI COMPUTER, INC.
VISION QD6580/8663A
Data Bus | 32-bit VESA Local Bus |
Card Size | Three-quarter length, half-height card |
Hard Drives supported | Four IDE (AT) drives |
Floppy drives supported | Two 360KB, 720KB, 1.2MB, or 1.44MB drives |

CONNECTIONS | |||
Function | Location | Function | Location |
40-pin primary IDE(AT) connector | CN1 | 9-pin serial port 1 - external | CN5 |
40-pin secondary IDE(AT) connector | CN2 | 10-pin serial port 2 - internal | CN6 |
34-pin cable connector - floppy drive | CN3 | 25-pin parallel port - external | CN7 |
16-pin game port | CN4 | 4-pin connector - drive active LED | CN10 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
| » | Primary IDE interface supports disk drives only | JP1 | Open |
| Primary IDE interface supports disk/non-disk peripherals | JP1 | Closed | |
| » | Factory configured - do not alter (sense CLK frequency from VL slot) | JP2 | Pins 2 & 3 closed |
| » | IDE(AT) interface enabled | JP3 | Pins 2 & 3 closed |
| IDE(AT) interface disabled | JP3 | Pins 1 & 2 closed | |
| » | Both IDE(AT) interfaces enabled
(1Fxh/3Fxh is primary I/O address & 17Xh/37Xh is secondary address) | JP4 | Closed |
| One IDE(AT) interface enabled
(IFXh/3FXh is I/O address) | JP4 | Open | |
| » | Chip registers port 0BXh select | JP5 | Pins 2 & 3 closed |
| Chip registers port 03Xh select | JP5 | Pins 1 & 2 closed | |
| » | Floppy drive interface enabled | JP8 | Pins 1 & 2 closed |
| Floppy drive interface disabled | JP8 | Pins 2 & 3 closed | |
| » | Parallel port I/O address is 378h | JP11 | Pins 1 & 2 closed |
| Parallel port I/O address is 278h | JP11 | Pins 2 & 3 closed | |
| » | Game port enabled | JP14 | Pins 1 & 2 closed |
| Game port disabled | JP14 | Pins 2 & 3 closed | |
| » | Parallel port IRQ 7 select | JP15 | Pins 2 & 3 closed |
| Parallel port IRQ 5 select | JP15 | Pins 1 & 2 closed | |
Note: When using a non-disk peripheral, it is advisable to close JP4 and connect it to the secondary port. | |||
DMA CHANNEL SELECTION | |||
Channel | JP16 | JP17 | |
1 | Pins 1 & 2 closed | Pins 1 & 2 closed | |
| » | 3 | Pins 2 & 3 closed | Pins 2 & 3 closed |
SERIAL PORT 1 ADDRESS SELECTION | ||
Setting | JP6 | JP7 |
COM1 | Pins 1 & 2 closed | Pins 1 & 2 closed |
COM3 | Pins 1 & 2 closed | Pins 2 & 3 closed |
Disabled | Pins 2 & 3 closed | Pins 1 & 2 closed |
Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
SERIAL PORT 2 ADDRESS SELECTION | ||
Setting | JP12 | JP13 |
COM2 | Pins 1 & 2 closed | Pins 1 & 2 closed |
COM4 | Pins 1 & 2 closed | Pins 2 & 3 closed |
Disabled | Pins 2 & 3 closed | Pins 1 & 2 closed |
Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
PARALLEL PORT MODE SELECTION | ||
Setting | JP9 | JP10 |
ECP | Pins 1 & 2 closed | Pins 2 & 3 closed |
EPP | Pins 2 & 3 closed | Pins 2 & 3 closed |
Bi-Directional | Pins 1 & 2 closed | Pins 1 & 2 closed |
Disabled | Pins 2 & 3 closed | Pins 1 & 2 closed |