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 |
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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 |