ADAPTEC, INC.
AHA-3980W, AHA-3985W
Data Bus | 32-bit PCI |
Card Size | Three-quarter length, full-height card |
Card Drives supported | Up to 30 Fast and Wide SCSI devices (model AHA-3980W) Up to 45 Fast and Wide SCSI devices (model AHA-3985W) |
Floppy drives supported | None |

CONNECTIONS | |||
Function | Location | Function | Location |
4-pin connector - drive active LED | J3 | 68-pin SCSI channel C connector - internal (model AHA-3985W only) | J8 |
68-pin SCSI channel A connector - internal | J4 | 68-pin SCSI channel A connector - external | J12 |
68-pin SCSI channel B connector - internal | J6 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
| » | Channel A bus is connected to one computer only | J2 | Open |
| Channel A bus is shared by two computers | J2 | Closed | |
| » | Channel B bus is connected to one computer only | J5 | Open |
| Channel B bus is shared by two computers | J5 | Closed | |
| » | Channel C bus is connected to one computer (AHA-3895W only) | J7 | Open |
| Channel C bus is shared by two computers (AHA-3895W only) | J7 | Closed | |
| » | Host computer supports PCI interrupts A, B, C, & D | J10 | Open |
| Host computer supports PCI interrupts A & B only | J10 | Closed | |
MISCELLANEOUS TECHNICAL NOTES |
Jumpers J2, J5 and J7 enable other adapter cards on different computers to share devices on channels A, B, and C (AHA-3895W only) with this adapter card. Device access is sequential. |