ADAPTEC, INC.
AHA-2740T, AHA-2742, AHA-2742T, AHA-2740A,
AHA-2742A, AHA-2740A-TWIN, AHA-2742A-TWIN
| 
 
  | |
| 
 Data bus:  | 
 32-bit, EISA  | 
| 
 Size:  | 
 Half-length, full-height card  | 
| 
 Hard drive supported:  | 
 Up to seven SCSI devices  | 
| 
 Floppy drives supported:  | 
 Two 360KB, 720KB, 1.2MB, or 1.44MB drives  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 4-pin connector - drive active LED  | 
 J1  | 
| 
 34-pin control cable connector - floppy drive (optional)  | 
 J2  | 
| 
 50-pin SCSI Channel A connector - internal  | 
 J3  | 
| 
 50-pin SCSI Channel B connector - internal (optional)  | 
 J5  | 
| 
 50-pin SCSI Channel A connector - external  | 
 J6  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Floppy drive enabled  | 
 J4  | 
 closed  | 
| 
 Floppy drive disabled  | 
 J4  | 
 open  | |
| 
 Note: Jumper J4 is only present on those boards with a floppy drive.  | |||