DATA TECHNOLOGY CORPORATION

DTC5180I, DTC7180

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two MFM ST506/412 drives

Floppy drives supported: None

Sector Interleave DTC5180i: 2:1

DTC7180: 1:1

CONNECTIONS

Function

Location

34-pin control cable connector-hard drive

J1

20-pin data cable connector-drive 0

J2

20-pin data cable connector-drive 1

J3

4-pin connector-drive active LED

J4

5-pin connector-DC power (5180i only)

J5

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Floppy Drive Changed Signal not driven

W1

open

 

Floppy Drive Changed Signal driven low when accessed

W1

closed

Initial interrupt enabled after reset

W4

pins 2 & 3 closed

 

Initial interrupt disabled after reset

W4

pins 1 & 2 closed

Auto-deselect enabled,

drive is only selected when in operation

W6

closed

 

Auto-deselect disabled, drive is selected from power-on until another drive is selected

W6

open

PORT ADDRESS

Address

W2

W3

Port addresses are 1F0-1F7 3F6-3F7h

open

open

 

Port addresses are 170-177 376-377h

closed

closed