Adaptec 1742A User Manual

Contents

• LED on host adapter after power-on - The LED on theAHA-1740A/1742A/1744 should come on briefly after turn-ing the system power on. The LED should turn off whena request is sent to the host adapter.• LED on host adapter during operation - If the LED on theAHA-1740A/1742A/1744 is always on, the orientation ofthe SCSI cable between the host adapter and the drivemay be reversed. For the proper orientation refer to theAHA-1740A/1742A/1744 Installation Guide.• If the LED begins to blink at regular intervals then thehost adapter has detected an internal failure and shouldbe returned for repair or replacement to the place of pur-chase. An error message may also appear on the screen.If the AHA-1740A/1742A/1744 BIOS message does not display onthe screen then the computer system is not recognizing the hostadapter.• Check the AHA-1740A/1742A/1744 BIOS address toensure it is not conflicting with other host adapters in-stalled in the computer system.• Try a different BIOS address. For the proper addressrefer to the AHA-1740A/1742A/1744 Installation Guide.• Change the BIOS wait-state jumper. For the properjumper settings refer to the AHA-1740A/1742A/1744Installation Guide.• Try changing the BIOS address from the default ofCC000h to DC000h, or some other available value.If the following message displays:host adapter not found at port 330hCheck the port address setting. Verify the correct installation ofthe SCSI cable. An inverted or misplaced internal SCSI cable,generating a forced SCSI reset, may be causing the problem.EISA-to-Fast SCSI Host Adapter Troubleshooting7-3