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 | |