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and choose Device Information. The firmware version will be

displayed as the Revision Number. The 1.2 GB Firmware

Utility 1.1 is not needed unless the firmware version is

1.37 or below. The 1.2 GB Firmware Utility 1.1 also checks

the firmware, and will only update the firmware of the

appropriate drives.

Note: If you do not have access to Apple System Profiler,

you can download it from Apple Software Updates:

http://www.info.apple.com/swupdates

If troubleshooting procedures have been performed and there

still is an intermittent flashing question mark, use the

following hard drive identifying procedure to determine

whether the hard drive should be updated or replaced:

1. If the machine is running, shut down.

2. Power off and disconnect all external SCSI devices

3. Insert the Utility floppy disk and start the Power

4. Double click the ATA_Serial_Num application. If the

internal drive is a candidate to be updated,

ATA_Serial_Num automatically downloads the firmware. A

window will be displayed with the drive information,

including the new firmware version. If the drive is not

one of the affected drives, the window will display the

drive information and a message stating that the drive

does not need to be updated.

5. Choose Quit from the File menu. You can choose to

save the drive information window as a text file.

6. Reconnect external SCSI devices.

7. Restart. The Macintosh is now ready for normal

For this issue, the firmware version 1.37 and below are the

affected drives. If you find a drive with the firmware

version 1.37 or below, then use the firmware update utility.

The utility will check the drive firmware version before

update. If the drive firmware version does not qualify for

the update, the utility will leave the drive untouched.

Replacement Note

If the drive is updated and it is still exhibiting problems,

it may be necessary to replace the drive. See an Apple

Authorized Service Provider. To locate a Service Provider in

your area see: http://www.info.apple.com/