BusLogic BT-542B

This is the BusLogic 542B SCSI adapter shown. Listed below are the possible Interrupt Request Line (IRQ), Base I/O Address, Base Memory Address, and other jumper/switch configurations:

Setup Choice for Windows NT 3.5
BusLogic Family

Type of External SCSI Connector
Low Density Shielded

SWITCH BAY 1

SCSI	SW1	SW2	SW3
ID
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

SW4
SCSI PARITY ENABLE/DISABLE

SW5
DISK > 1GB and not SCO UNIX ENABLE/DISABLE

SW6
SCSI SYNCHRONIZATION NEGOTIATION ENABLE/DISABLE

DMA
CHANNEL	        SW7	SW8
DISABLE 	OFF	OFF
5		ON	ON
6		OFF	ON
7		ON	OFF

SWITCH BAY 2

I/O
ADDRESS	        SW1	SW2	SW3
Reserved	OFF	OFF	OFF
134H-137H	ON	OFF	OFF
234H-237H	OFF	ON	OFF
334H-337H	ON	ON	OFF
Reserved	OFF	OFF	ON
130H-133H	ON	OFF	ON
230H-233H	OFF	ON	ON
330H-333H	ON	ON	ON


BIOS BASE
ADDRESS	        SW4	SW5
0C8000H 	OFF	OFF
Disable		ON	OFF
0D8000H	        OFF	ON
0DC000H 	ON	ON


AT IRQ          SW6	SW7	SW8
Reserved	OFF	OFF	OFF
Reserved	ON	OFF	OFF
15	        OFF	ON	OFF
14	        ON	ON	OFF
12	        OFF	OFF	ON
9	        ON	OFF	ON
10	        OFF	ON	ON
11	        ON	ON	ON


JUMPER SETTINGS

HOST IRQ	W3	W4	W5	W6	W7	W8
9		OFF	OFF	OFF	OFF	OFF	ON
10		OFF	OFF	OFF	OFF	ON	OFF
11		OFF	OFF	OFF	ON	OFF	OFF
12		OFF	OFF	ON	OFF	OFF	OFF
14		OFF	ON	OFF	OFF	OFF	OFF
15		ON	OFF	OFF	OFF	OFF	OFF

HOST BUS
TRANSFER RATE	W11	W13
5.0 MB/SEC.	OFF	OFF
5.7 MB/SEC.	OFF	ON
6.7 MB/SEC.	ON	OFF
8.0 MB/SEC.	ON	ON

W17
HOST I/O CNANNEL READY ENABLE/DISABLE


FLOPPY I/O
ADDRESS		W14

PRIMARY (3FX)	OFF
SECONDARY (37X)	ON


FLOPPY

CONTROLLER	W15	W16
DISABLE  	OFF	OFF
ENABLE	        ON	ON

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