...because we can't all be on the bleeding edge...





AHA-1520B

ADAPTEC, INC.

AHA-1520B

Card Type

Hard drive controller card

Hard Drives supported

Up to 7 SCSI devices

Floppy drives supported

None

Data Bus

16-bit ISA

Card Size

Three-quarter length, half-height card

CONNECTIONS

Function

Location

Function

Location

4-pin connector - drive active LED

CN1

50-pin SCSI connector - external

CN3

50-pin SCSI connector - internal

CN2

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

Ľ

Factory configured - do not alter

SW1/4

Unidentified

BIOS ADDRESS SELECTION

Address

SW1/1

SW1/2

SW1/3

DC000-DFFFFh

Off

Off

Off

D8000-DBFFFh

On

Off

Off

D4000-D7FFFh

Off

On

Off

D0000-D3FFFh

On

On

Off

CC000-CFFFFh

Off

Off

On

C8000-CBFFFh

On

Off

On

Inactive

Off

On

On

BIOS PROM disabled

On

On

On

Note: Do not use the inactive setting in Legacy/Non-Plug and Play systems. If you disable the BIOS PROM, you must run SCSISelect to synchronize the host adapterís resource table with your new selection. Synchronization is automatically performed just by entering SCSISelect.