DATA TECHNOLOGY CORPORATION
DTC2X77VL
| Data Bus | 32-bit VESA Local Bus | 
| Card Size | Three-quarter length, full-height card | 
| Hard Drives supported | Four IDE (AT) drives | 
| Floppy drives supported | Two 360KB, 720KB, 1.2MB, or 1.44MB drives | 
 
| CONNECTIONS | |||
| Function | Location | Function | Location | 
| 40-pin primary IDE(AT) connector | JP1 | 34-pin cable connector - floppy drive | JP3 | 
| 40-pin secondary IDE(AT) connector | JP2 | Connector - drive active LED | JP1 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Label | Position | |
| » | Floppy drive interface enabled | JP2/4 | Closed | 
| Floppy drive interface disabled | JP2/4 | Open | |
| » | Hard drive primary I/O address select | JP2/5 | Closed | 
| Hard drive secondary I/O address select | JP2/5 | Open | |
| » | Factory configured - do not alter | JP2/6 | Closed | 
| BIOS ADDRESS SELECTION | ||||
| Address | JP2/pins 1 & 2 | JP2/pins 3 & 4 | JP2/pins 5 & 6 | |
| C8000h-CBFFFh | Closed | Open | Open | |
| CC000h-CEFFEh | Open | Closed | Open | |
| D0000h-D3FFEh | Closed | Closed | Open | |
| D4000h-D7EEEh | Open | Open | Closed | |
| D8000h-DBFFFh | Closed | Open | Closed | |
| » | DC000h-DEFFFh | Closed | Closed | Closed | 
| Disabled | Open | Open | Open | |
| DRAM CONFIGURATION | ||
| Size | Bank 0 | Bank 1 | 
| 512KB | (2) 256 x 9 | None | 
| 1KB | (2) 256 x 9 | (2) 256 x 9 | 
| 1.5KB | (2) 256 x 9 | (2) 1MB x 9 | 
| 2MB | (2) 1MB x 9 | None | 
| 2.5MB | (2) 1MB x 9 | (2) 256 x 9 | 
| 4MB | (2) 1MB x 9 | (2) 1MB x 9 | 
| 8MB | (2) 4MB x 9 | None | 
| 8.5MB | (2) 4MB x 9 | (2) 256 x 9 | 
| 8.5MB | (2) 256 x 9 | (2) 4MB x 9 | 
| 10MB | (2) 1MB x 9 | (2) 4MB x 9 | 
| 10MB | (2) 4MB x 9 | (2) 1MB x 9 | 
| 16MB | (2) 4MB x 9 | (2) 4MB x 9 |