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DTC3180 (JUMPER VER.), DTC3280 (JUMPER VER.)

DATA TECHNOLOGY CORPORATION (DTC)

DTC3180 (JUMPER VER.), DTC3280 (JUMPER VER.)

Data bus: 16-bit, ISA.

Size: Half-length, full-height card.

Hard drives supported: Up to seven SCSI devices

Floppy drives supported: DTC3180A: None

DTC3280A: Four 360KB, 720KB, 1.2MB or 1.44 MB drives

CONNECTIONS

Function

Location

50-pin SCSI connector-external

J1

50-pin SCSI connector-internal

J2

34-pin data cable connector-floppy drive (DTC3280A only)

J3

4-pin connector-drive active LED

J4

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Single-speed floppy supported

W3/jumper 7

open

 

Dual-speed floppy supported

W3/jumper 7

closed

PS/2-type floppy on Drive Select 2 not supported

W3/jumper 8

closed

 

PS/2-type floppy drive on Drive Select 2 supported

W3/jumper 8

open

Floppy drive precomp. is scaled by data rate:

500KHz=125ns, 300KHz=208ns, 250KHz=250ns

W3/jumper 9

open

 

Floppy drive precompensation is 125ns

W3/jumper 9

closed

Floppy drive enabled

W3/jumper 10

closed

 

Floppy drive disabled

W3/jumper 10

open

Factory configured - do not alter

W4/jumper 3

open

Factory configured - do not alter

W4/jumper 4

open

SCSI parity check enabled

W4/jumper 5

open

 

SCSI parity check disabled

W4/jumper 5

closed

2KB SRAM selected

W1

pins 2 & 3 closed

 

8KB SRAM selected

W1

pins 1 & 2 closed

Floppy drive address 3F2-3F7h

W2

pins 1 & 2 closed

 

Floppy drive address 372-377h

W2

pins 2 & 3 closed

INTERRUPT REQUEST

IRQ

W4/jumper 1

W4/jumper 2

IRQ11

open

closed

 

IRQ12

closed

open

 

IRQ10

closed

closed

 

IRQ15

open

open

INQUIRY INTERRUPT REQUEST "B " OPTIONS

IRQ

W3/jumper 1

W3/jumper 2

W3/jumper 3

W3/jumper 4

IRQ11

open

open

closed

open

 

IRQ10

open

open

open

closed

 

IRQ12

open

closed

open

open

 

IRQ15

closed

open

open

open

 

Disabled

open

open

open

open

BIOS ADDRESS

Address

W3/jumper 5

W3/jumper 6

D800h

open

open

 

C800h

open

closed

 

DC00h

closed

open

 

CC00h

closed

closed

SCSI ADDRESS

SCSI ID

W4/jumper 6

W4/jumper 7

W4/jumper 8

 

0

closed

closed

closed

 

1

open

closed

closed

 

2

closed

open

closed

 

3

open

open

closed

 

4

closed

closed

open

 

5

open

closed

open

 

6

closed

open

open

7

open

open

open