DATA TECHNOLOGY CORPORATION

DTC5180CRH

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: 2:1

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

J5

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Floppy change signal not driven

W1

open

 

Floppy signal driven low (XT system default)

W1

closed

»

Interrupt remains enabled after reset

W4

pins 2 & 3 closed

 

Interrupt disabled after reset

W4

pins 1 & 2 closed

»

Drive select "flip-flop" controlled by firmware

W5

pins 1 & 2 closed

 

Drive select "flip-flop" controlled by system reset

W5

pins 2 & 3 closed

»

Factory configured - do not alter

W6

closed

»

Auto deselect enabled

W7

closed

 

Auto deselect disabled

W7

open

HARD DRIVE PORT ADDRESS

Address

W2

W3

»

Port addresses are 1F0-1F7 3F2-3F7h

open

open

 

Port addresses are 170-177 372-377h

closed

closed

MISCELLANEOUS TECHNICAL NOTES

This controller has no on-board software