BUSLOGIC, INC.
BT-542S, BT-542D
Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Up to seven SCSI devices
Floppy drives supported: Two 360KB, 720KB, 1.2 MB or 1.44 MB drives
CONNECTIONS | |
Function |
Location |
4-pin connector-drive active LED |
CN1 |
34-pin data cable connector-floppy drives |
CN2 |
50-pin SCSI connector-internal |
CN3 |
50-pin SCSI connector-external |
CN4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
Floppy drive port address 3F0-3F7h |
JP14 |
open |
Floppy drive port address 370-377h |
JP14 |
closed | |
» |
Floppy drive enabled |
JP15 & JP16 |
closed |
Floppy drive disabled |
JP15 & JP16 |
open | |
» |
SCSI Parity check enabled |
SW1/switch 4 |
on |
SCSI Parity check disabled |
SW1/switch 4 |
off | |
» |
SCSI Auto Sense function enabled |
SW1/switch 5 |
on |
SCSI Auto Sense function disabled |
SW1/switch 5 |
off | |
» |
Synchronous transfer initiation from controller isabled |
SW1/switch 6 |
on |
Synchronous transfer intitiation from controller enabled |
SW1/switch 6 |
off |
SCSI ADDRESS | ||||
SCSI I.D. |
SW1/switch 1 |
SW1/switch 2 |
SW1/switch 3 | |
0 |
off |
off |
off | |
1 |
on |
off |
off | |
2 |
off |
on |
off | |
3 |
on |
on |
off | |
4 |
off |
off |
on | |
5 |
on |
off |
on | |
6 |
off |
on |
on | |
» |
7 |
on |
on |
on |
I/O PORT ADDRESS | ||||
Address |
SW2/switch 1 |
SW2/switch 2 |
SW2/switch 3 | |
» |
330h-333h |
on |
on |
on |
134h-137h |
on |
off |
off | |
234h-237h |
off |
on |
off | |
334h-337h |
on |
on |
off | |
230h-233h |
off |
on |
on | |
130h-133h |
on |
off |
on | |
Reserved |
off |
off |
off | |
Reserved |
off |
off |
on |
IRQ SELECT | |||||
IRQ |
JP3 - JP8 |
SW2/switch 6 |
SW2/switch 7 |
SW2/switch 8 | |
» |
IRQ11 |
JP6 closed |
on |
on |
on |
Reserved |
N/A |
off |
off |
off | |
Reserved |
N/A |
on |
off |
off | |
IRQ9 |
JP8 closed |
on |
off |
on | |
IRQ10 |
JP7 closed |
off |
on |
on | |
IRQ12 |
JP5 closed |
off |
off |
on | |
IRQ14 |
JP4 closed |
on |
on |
off | |
IRQ15 |
JP3 closed |
off |
on |
off |
. . . continued from previous page
BUSLOGIC, INC.
BT-542S, BT-542D
. . . continued from previous page
BIOS BASE ADDRESS | |||
Address |
SW3/switch 3 |
SW3/switch 4 |
SW3/switch 5 |
Disabled |
off |
off |
off |
Reserved |
on |
off |
off |
C8000h |
off |
on |
off |
CC000h |
on |
on |
off |
D0000h |
off |
off |
on |
D4000h |
on |
off |
on |
D8000h |
off |
on |
on |
DC000h |
on |
on |
on |
DMA CHANNEL | |||
DRQ |
SW1/switch 7 |
SW1/switch 8 | |
» |
5 |
on |
on |
6 |
off |
on | |
7 |
on |
off | |
Disabled |
off |
off |
BUS TRANSFER RATE | |||
Rate |
SW3/switch 1 |
SW3/switch 2 | |
» |
5.0 MB/second |
on |
on |
5.7 MB/second |
off |
on | |
6.7 MB/second |
on |
off | |
8.0 MB/second |
off |
off |