UNIDENTIFIED
QACCESS VL-BUS
| |
Data bus: |
32-bit, VL-Bus |
Size: |
Three quarter-length, full-height card |
Hard drive supported: |
Two IDE (AT) interface drives, up to fourteen SCSI interface drives |
Floppy drives supported: |
360KB, 720KB, 1.2MB, 1.44MB |
CONNECTIONS | |
Function |
Location |
40-pin IDE interface connector |
J1 |
External drive active LED |
J2 |
34-pin data cable connector - floppy drive |
J3 |
Parallel port |
J4 |
Serial port 1 |
J5 |
Serial port 2 |
J6 |
Game port |
J7 |
50-pin SCSI connector 1 |
SC1 |
50-pin SCSI connector 2 |
SC2 |
SCSI terminator 1 |
T1 |
SCSI terminator 2 |
T2 |
SCSI terminator 3 |
T3 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
Parallel port interrupt is IRQ7 |
JP4 |
pins 1 & 2 closed | |
Parallel port interrupt is IRQ5 |
JP4 |
pins 2 & 3 closed | |
Factory configured - do not alter |
JP5 |
N/A | |
Game port enabled |
JP6 |
pins 1 & 2 closed | |
Game port disabled |
JP6 |
pins 2 & 3 closed | |
Factory configured - do not alter |
JP17 |
N/A | |
SCSI address select 340 - 35Fh |
JP20 |
open | |
SCSI address select 140 - 15Fh |
JP20 |
closed | |
SCSI interface enabled |
W1/E |
closed | |
SCSI interface disabled |
W1/E |
open | |
IDE command active time normal |
W2/C |
closed | |
IDE command active time fast |
W2/C |
open |
FLOPPY DRIVE INTERFACE CONFIGURATION | |||
Setting |
JP7 |
JP8 | |
Enabled |
pins 1 & 2 closed |
pins 1 & 2 closed | |
Disabled |
pins 2 & 3 closed |
pins 1 & 2 closed |
IDE CONFIGURATION | |||||
Port |
JP11 |
JP12 |
W2/A |
W2/B | |
Enabled |
pins 1 & 2 closed |
pins 1 & 2 closed |
open |
open | |
Disabled |
pins 2 & 3 closed |
open |
open |
closed |
IDE INTERRUPT SELECT | |||
IRQ |
JP2 |
JP3 | |
Direct IRQ14 |
open |
closed | |
Buffered IRQ14 |
closed |
open |
IDE I/O RECOVERY TIME | |||
Time (ns) |
W2/D |
W2/E | |
300 |
closed |
closed | |
120 |
open |
open | |
180 |
closed |
open | |
240 |
open |
closed |
PARALLEL PORT ADDRESS SELECT | |||
Address |
JP9 |
JP10 | |
378 - 37Fh |
pins 1 & 2 closed |
pins 1 & 2 closed | |
278 - 27Fh |
pins 1 & 2 closed |
pins 2 & 3 closed | |
Disabled |
pins 2 & 3 closed |
pins 1 & 2 closed |
SCSI PORT INTERRUPT SELECT | |||
IRQ |
W1/A |
W1/B | |
IRQ11 |
open |
closed | |
IRQ10 |
closed |
open |
SCSI PORT BASE ADDRESS SELECT | |||
Address |
W1/C |
W1/D | |
DC000h |
closed |
closed | |
D8000h |
closed |
open | |
CC000h |
open |
closed | |
Disabled |
open |
open |
PRIMARY SERIAL PORT ADDRESS SELECT | |||
Address |
JP13 |
JP14 | |
3F8 - 3FFh |
pins 1 & 2 closed |
pins 1 & 2 closed | |
3E8 - 3EFh |
pins 1 & 2 closed |
pins 2 & 3 closed | |
Disabled |
pins 2 & 3 closed |
pins 1 & 2 closed |
SECONDARY SERIAL PORT ADDRESS SELECT | |||
Address |
JP15 |
JP16 | |
2F8 - 2FFh |
pins 1 & 2 closed |
pins 1 & 2 closed | |
2E8 - 2EFh |
pins 1 & 2 closed |
pins 2 & 3 closed | |
Disabled |
pins 2 & 3 closed |
pins 1 & 2 closed |