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AHA-3980W, AHA-3985W

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.