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  |