CMS ENHANCEMENTS, INC.
HCWDXTGEN
| 
 
  | |
| 
 Data bus:  | 
 8-bit ISA  | 
| 
 Size:  | 
 Half length, full-height card  | 
| 
 Hard drive supported:  | 
 Two MFM ST506/412 drives  | 
| 
 Floppy drives supported:  | 
 None  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 34-pin data cable connector - hard drive  | 
 J1  | 
| 
 20-pin data cable connector - drive 0  | 
 J2  | 
| 
 20-pin data cable connector - drive 1  | 
 J3  | 
| 
 External power connector  | 
 J4  | 
| 
 4-pin connector - drive active LED  | 
 J5  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Factory configured - do not alter  | 
 W25  | 
 open  | 
| » | 
 Factory configured - do not alter  | 
 W26  | 
 open  | 
| » | 
 Interrupt select IRQ5  | 
 W27  | 
 open  | 
| 
 Interrupt select IRQ2  | 
 W27  | 
 closed  | |
| » | 
 AT compatibility mode enabled  | 
 W28  | 
 closed  | 
| 
 XT compatibility mode enabled  | 
 W28  | 
 open  | |
| 
 ADDRESS SELECT  | |||
| 
 I/O Address  | 
 Base Memory Address  | 
 W21  | 
 W22  | 
| 
 320h  | 
 C8000h  | 
 open  | 
 open  | 
| 
 324h  | 
 CA000h  | 
 closed  | 
 open  | 
| 
 328h  | 
 CC000h  | 
 open  | 
 closed  | 
| 
 32Ch  | 
 CE000h  | 
 closed  | 
 closed  | 
| 
 PRE-SELECTED DRIVE CONFIGURATION  | |||||||
| 
 Drive 0  | 
 Drive 1  | ||||||
| 
 Capacity  | 
 Heads  | 
 Cylinders  | 
 W17  | 
 W18  | 
 W19  | 
 W20  | |
| » | 
 21MB  | 
 4  | 
 615  | 
 open  | 
 open  | 
 open  | 
 open  | 
| 
 21MB  | 
 4  | 
 612  | 
 closed  | 
 closed  | 
 closed  | 
 closed  | |
| 
 10MB  | 
 4  | 
 306  | 
 open  | 
 closed  | 
 open  | 
 closed  | |
| 
 10MB  | 
 2  | 
 615  | 
 closed  | 
 open  | 
 closed  | 
 open  | |