CMS ENHANCEMENTS, INC.
HCWD3VMM2/HCWD6VMM2
| 
 
  | |
| 
 Data bus:  | 
 16-bit ISA  | 
| 
 Size:  | 
 Three-quarter length, full-height card  | 
| 
 Hard drive supported:  | 
 Two MFM ST412 drives  | 
| 
 Floppy drives supported:  | 
 320KB, 360KB, 720KB, 1.2MB, 1.44MB  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 34-pin control cable connector - floppy drive  | 
 J1  | 
| 
 20-pin data cable connector - drive 1  | 
 J3  | 
| 
 20-pin data cable connector - drive 0  | 
 J4  | 
| 
 34-pin control cable connector - hard drive  | 
 J5  | 
| 
 External LED connector  | 
 J6  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Latched hard disk mode enabled  | 
 W1/A  | 
 open  | 
| 
 Non-latched hard disk mode enabled  | 
 W1/A  | 
 closed  | |
| » | 
 Four byte ECC enabled  | 
 W1/B  | 
 open  | 
| 
 Reserved  | 
 W1/B  | 
 closed  | |
| » | 
 Caching enabled  | 
 W1/C  | 
 open  | 
| 
 Caching disabled  | 
 W1/C  | 
 closed  | |
| » | 
 Factory configured - do not alter  | 
 W1/D  | 
 open  | 
| 
 USER CONFIGURABLE SETTINGS(CONTINUED)  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Primary hard drive I/O address select  | 
 W3  | 
 open  | 
| 
 Alternate hard drive I/O address select  | 
 W3  | 
 closed  | |
| » | 
 Primary floppy drive I/O address select  | 
 W4  | 
 open  | 
| 
 Alternate floppy drive I/O address select  | 
 W4  | 
 closed  | |
| » | 
 Single speed floppy drive mode enabled  | 
 W5  | 
 open  | 
| 
 Dual speed floppy drive mode enabled  | 
 W5  | 
 closed  | |