DTC6195, DTC6295, DTC6195-24, DTC6295-24 Hard Disk/Floppy Controller Settings and Configuration

CONNECTIONS
Function	Location
34-pin data cable connector-floppy drive	J1
34-pin control cable connector-hard drive	J2
20-pin data cable connector-drive 0	J3
20-pin data cable connector-drive 1	J4
4-pin connector-drive active LED	J5

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Factory configured - do not alter	SW1/switch 3	on
»	Defective sectors listed on cyl N-1 and cyl N-9	SW1/switch 4	on
	Defective sectors listed on cyl N-1 (N=# of Cyl.)	SW1/switch 4	off
»	BIOS enabled	SW1/switch 5	on
	BIOS disabled	SW1/switch 5	off
»	Floppy drive enabled	SW1/switch 6	off
	Floppy drive disabled	SW1/switch 6	on
»	Unrestricted access mode (hard drive, floppy drive and EISA register are accessible)	SW1/switch 7	off
	Restricted access mode (only the EISA registers are accessible)	SW1/switch 7	on
»	Hard drive port address 1F0-1F7h Floppy drive port address 3F2-3F7h	SW1/switch 8	off
	Hard drive port address 170-177h Floppy drive port address 372-377h	SW1/switch 8	on

USER CONFIGURABLE SETTINGS DTC6295 AND DTC6295-24 ONLY
Function		Location	Setting
»	Floppy drive precomp. is scaled by data rate: 500KHz=125ns, 300KHz=208ns, 250KHz=250ns	SW2/switch 1	off
	Floppy drive precomp. is 125ns	SW2/switch 1	on
»	Floppy drive data transfer rate is 300Kb/s	SW2/switch 2	off
	Floppy drive data transfer rate is 250Kb/s	SW2/switch 2	on
»	Factory configured - do not alter	SW2/switches 3 & 4	off

BIOS ADDRESS
Address	S1/switch 1	S1/switch 2
C800h	off	off
D800h	off	on
D400h	on	off
D000h	on	on