Card Type	Floppy drive controller
Chipset/Controller	DTC403
I/O Options	Floppy drive interface
Maximum DRAM	N/A

CONNECTIONS
Purpose	Location
Floppy drive interface	CN1

I/O ADDRESS CONFIGURATION
Port		Address	W1
»	Primary	3F2h - 3F7h	Pins 1 & 2 closed
	Secondary	372h - 377h	Pins 2 & 3 closed

FLOPPY DRIVE DATA RATE
Data Rate (KB/s)		Precompensation	W2
»	500	125	Closed
	300	208	Open
	250	250	Open
Note: Leaving W2 open enables data-rate-dependent write precompensation.

FLOPPY DRIVE SPEED SELECT
Speed setting	W3
Single	Open
Dual	Closed

FLOPPY DRIVE POLARITY CONFIGURATION
Mode		W4, W5, and W6
»	Standard logic	Pins 1 & 2 for high density media, 2 & 3 for low
	Reverse logic (for PS-2-type systems)	Pins 2 & 3 for high density media, 1 & 2 for low
Note: These jumpers are not needed for ANSI-type drives.