CMS ENHANCEMENTS, INC.
ST412 CONTROLLER CARD (MFM)
| 
 
  | |
| 
 Data bus:  | 
 16-bit ISA  | 
| 
 Size:  | 
 Three quarter-length, full-height card  | 
| 
 Hard drive supported:  | 
 Two ST506/412 MFM drives  | 
| 
 Floppy drives supported:  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Location  | 
 Function  | 
 Location  | 
| 
 20-pin data cable connector - drive 1  | 
 J3  | 
 34-pin control cable connector  | 
 J5  | 
| 
 20-pin data cable connector - drive 0  | 
 J4  | 
 External LED connector  | 
 J6  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Drive in latched mode  | 
 W1/A  | 
 open  | 
| 
 Drive in non-latched mode  | 
 W1/A  | 
 closed  | |
| » | 
 Factory configured - do not alter  | 
 W1/B  | 
 open  | 
| » | 
 Caching enabled  | 
 W1/C  | 
 open  | 
| 
 Caching disabled  | 
 W1/C  | 
 closed  | |
| » | 
 Factory configured - do not alter  | 
 W1/D  | 
 open  | 
| » | 
 Primary port I/O address select C800h, D000h, or D800h  | 
 W3  | 
 open  | 
| 
 Alternate port I/O address select CC00h, D400h  | 
 W3  | 
 closed  | |
| » | 
 Factory configured - do not alter  | 
 W4  | 
 N/A  | 
| » | 
 Factory configured - do not alter  | 
 W5  | 
 N/A  |