ALPHA RESEARCH CORPORATION
S455S
Data bus: | 16-bit, ISA |
Size: | Full-length, full-height card |
Hard drive supported: | Up to seven SCSI drives |
Floppy drives supported: | 360KB, 720KB, 1.2MB, or 1.44MB (2) |

CONNECTIONS | |
Purpose | Location |
SCSI drive interface (50 pin) external | CN1 |
SCSI drive interface (50 pin) internal | CN2 |
Floppy drive interface | CN3 |
Hard drive activity LED | JP1 |
Speaker | JP2 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
» | Floppy drive enabled | JP3 | closed |
| Floppy drive disabled | JP3 | open |
MISCELLANEOUS TECHNICAL NOTES |
This controller supports 256KB, 1MB, or 4MB fast page mode SIMM's , 80nsec or faster. All four SIMM sockets must be filled with the same size SIMM's for proper operation |