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