ADAPTEC, INC.

AHA-1740/AHA-1742A (VER. 2)

Data bus:	32-bit EISA
Size:	Three-quarter length, Full-height card
Hard drive supported:	Up to fourteen SCSI devices
Floppy drives supported:	360KB, 720KB, 1.2MB, 1.44MB

CONNECTIONS
Function	Location
50-pin SCSI interface - external	CN1
50-pin SCSI interface - internal	CN2
34-pin control cable connector - floppy drive	CN3
Terminating resistor 1	RN5
Terminating resistor 2	RN6
Terminating resistor 3	RN7

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Factory configured - do not alter	JP1/A	N/A
»	Factory configured - do not alter	JP1/B	N/A
»	Factory configured - do not alter	JP1/C	N/A
»	Factory configured - do not alter	JP1/D	N/A
»	Floppy drive primary address select	JP1/E	open
	Floppy drive alternate address select	JP1/E	closed
»	Floppy drive interface enabled	JP1/F	closed
	Floppy drive interface disabled	JP1/F	open
»	TERMPWR supplied by host interface	JP2	closed
	TERMPWR not supplied by host interface	JP2	open

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