SDC1602B, SDC1602F Hard Disk/Floppy Controller Settings and Configuration

STORAGE DIMENSIONS

SDC1602B, SDC1602F

Data bus:
16-bit, ISA
Size:
Three/quarter-length, full-height card
Hard drive supported:
Up to seven SCSI devices
Floppy drives supported:
Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function
Location
4-pin connector - Drive active LED
CN1
34-pin control cable connector - floppy drive
CN2
50-pin SCSI connector - internal
CN3
50-pin SCSI connector - external
CN4

SCSI ID
SCSI ID
S1/switch 1
S1/switch 2
S1/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

USER CONFIGURABLE SETTINGS
Function
Location
Setting
»
SCSI parity check disabled
S1/switch 4
off

SCSI parity check enabled
S1/switch 4
on
»
1GB translation enabled (DOS compatible)
S1/switch 5
on

1GB translation disabled (UNIX compatible)
S1/switch 5
off
»
SCSI synchronous negotiation disabled
S1/switch 6
on

SCSI synchronous negotiation enabled
S1/switch 6
off
»
Floppy drive port address is 3F0-3F7h
W14
open

Floppy drive port address is 370-377h
W14
closed
»
Floppy drive enabled
W15 & W16
closed

Floppy drive disabled
W15 & W16
open
»
I/O Channel Ready signal disabled
W17
pins 1 & 2 closed

I/O Channel Ready signal enabled
W17
pins 2 & 3 closed

DMA CHANNEL CONFIGURATION - S1
DMA Channel
S1/switch 7
S1/switch 8
»
5
on
on

6
off
on

7
on
off

Disabled
off
off

I/O PORT ADDRESS CONFIGURATION - S2
Address
S2/switch 1
S2/switch 2
S2/switch 3

130-133h
on
off
on

134-137h
on
off
off

230-233h
off
on
on

234-237h
off
on
off
»
330-333h
on
on
on

334-337h
on
on
off

BIOS ADDRESS - S2
Address
S2/switch 4
S2/switch 5

C800h
off
off

D800h
off
on
»
DC00h
on
on

Disabled
on
off

INTERRUPT REQUEST CONFIGURATION - S2
IRQ
S2/switch 6
S2/switch 7
S2/switch 8

9
on
off
on

10
off
on
on
»
11
on
on
on

12
off
off
on

14
on
on
off

15
off
on
off
Note: This IRQ setting must be the same as the IRQ setting configured on jumpers W3-W8.

INTERRUPT REQUEST CONFIGURATION
IRQ
W3
W4
W5
W6
W7
W8

9
open
open
open
open
open
closed

10
open
open
open
open
closed
open
»
11
open
open
open
closed
open
open

12
open
open
closed
open
open
open

14
open
closed
open
open
open
open

15
closed
open
open
open
open
open
Note: This IRQ setting must be the same as the IRQ setting configured on S2, switches 6-8.

DMA TRANSFER SPEED
Speed
W11
W13
»
5.0MB/sec
open
open

5.7MB/sec
open
closed

6.7MB/sec
closed
open

8.0MB/sec
closed
closed

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SDC1602B, SDC1602F Hard Disk/Floppy Controller Settings and Configuration

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Data bus:	16-bit, ISA
Size:	Three/quarter-length, full-height card
Hard drive supported:	Up to seven SCSI devices
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
4-pin connector - Drive active LED	CN1
34-pin control cable connector - floppy drive	CN2
50-pin SCSI connector - internal	CN3
50-pin SCSI connector - external	CN4

SCSI ID
SCSI ID		S1/switch 1	S1/switch 2	S1/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

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	SCSI parity check disabled	S1/switch 4	off
	SCSI parity check enabled	S1/switch 4	on
»	1GB translation enabled (DOS compatible)	S1/switch 5	on
	1GB translation disabled (UNIX compatible)	S1/switch 5	off
»	SCSI synchronous negotiation disabled	S1/switch 6	on
	SCSI synchronous negotiation enabled	S1/switch 6	off
»	Floppy drive port address is 3F0-3F7h	W14	open
	Floppy drive port address is 370-377h	W14	closed
»	Floppy drive enabled	W15 & W16	closed
	Floppy drive disabled	W15 & W16	open
»	I/O Channel Ready signal disabled	W17	pins 1 & 2 closed
	I/O Channel Ready signal enabled	W17	pins 2 & 3 closed

DMA CHANNEL CONFIGURATION - S1
DMA Channel		S1/switch 7	S1/switch 8
»	5	on	on
	6	off	on
	7	on	off
	Disabled	off	off

I/O PORT ADDRESS CONFIGURATION - S2
Address		S2/switch 1	S2/switch 2	S2/switch 3
	130-133h	on	off	on
	134-137h	on	off	off
	230-233h	off	on	on
	234-237h	off	on	off
»	330-333h	on	on	on
	334-337h	on	on	off

BIOS ADDRESS - S2
Address		S2/switch 4	S2/switch 5
	C800h	off	off
	D800h	off	on
»	DC00h	on	on
	Disabled	on	off

INTERRUPT REQUEST CONFIGURATION - S2
IRQ		S2/switch 6	S2/switch 7	S2/switch 8
	9	on	off	on
	10	off	on	on
»	11	on	on	on
	12	off	off	on
	14	on	on	off
	15	off	on	off
Note: This IRQ setting must be the same as the IRQ setting configured on jumpers W3-W8.

INTERRUPT REQUEST CONFIGURATION
IRQ		W3	W4	W5	W6	W7	W8
	9	open	open	open	open	open	closed
	10	open	open	open	open	closed	open
»	11	open	open	open	closed	open	open
	12	open	open	closed	open	open	open
	14	open	closed	open	open	open	open
	15	closed	open	open	open	open	open
Note: This IRQ setting must be the same as the IRQ setting configured on S2, switches 6-8.

DMA TRANSFER SPEED
Speed		W11	W13
»	5.0MB/sec	open	open
	5.7MB/sec	open	closed
	6.7MB/sec	closed	open
	8.0MB/sec	closed	closed