QDI COMPUTER, INC.
QD6500, QD6500A VL
Data bus: | 32-bit, VL-bus |
Size: | Three/quarter-length, half-height card |
Hard drive supported: | Two IDE (AT) interface drives |
Floppy drives supported: | Two 360KB, 720KB, 1.2MB or 1.44MB drives |

CONNECTIONS | |
Function | Location |
40-pin IDE (AT) interface connector | CN1 |
34-pin control cabled connector - floppy drive | CN2 |
Game port | CN3 |
9-pin serial port 1 - external | CN4 |
10-pin serial port 2 - internal | CN5 |
25-pin parallel port | CN6 |
2-pin connector - drive active LED | JP5 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | Factory configured - do not alter | JP1 | open |
| » | Factory configured - do not alter | JP2 | pins 2 & 3 closed |
| » | Chipset register address = 0BXh | JP3 | pins 2 & 3 closed |
Chipset register address = 03Xh | JP3 | pins 1 & 2 closed | |
| » | IDE port address = 1F0h | JP4 | pins 2 & 3 closed |
IDE port address = 170h | JP4 | pins 1 & 2 closed | |
| » | Floppy drive enabled | JP8 | pins 1 & 2 closed |
Floppy drive disabled | JP8 | pins 2 & 3 closed | |
| » | Game port enabled | JP13 | pins 1 & 2 closed |
Game port disabled | JP13 | pins 2 & 3 closed | |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | IDE IRQ = IRQ14 | JP15 | pins 1 & 2 closed |
IDE IRQ = IRQ15 | JP15 | pins 2 & 3 closed | |
Address lines 3F7/177h enabled (74LS244 chip installed) | JP16 | closed | |
Address lines 3F7/177h disabled | JP16 | open | |
SERIAL PORT 1 CONFIGURATION | |||
COM | 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 CONFIGURATION | |||
COM | JP11 | JP12 | |
| » | 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 CONFIGURATION | |||
LPT/Address | JP9 | JP10 | |
| » | LPT1/378h | pins 1 & 2 closed | pins 1 & 2 closed |
LPT2/278h | 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 | |
BIOS ADDRESS - JP14 | |||||
Address | Jumper A | Jumper B | Jumper C | Jumper D | |
| » | Disabled | closed | open | open | open |
C800h | open | closed | open | open | |
D000h | open | open | closed | open | |
D800h | open | open | open | closed | |