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  | |