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SDC1602B, SDC1602F

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