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