Apple 3400 Series manual 113

If the computer starts up normally, immediately press the Power key to shut down (if you can) or turn off the computer. If you don’t, you might damage your information or equipment.

mMake sure you are using the correct cable for SCSI disk mode. The HDI-30 SCSI Disk Adapter is about 10 inches long, is dark gray, and has 30 pins in the connector (no “missing” pins). Do not use the HDI-30 SCSI System Cable, which is light gray, is about 19 inches long, and has 29 pins in the connector (one “missing” pin). That cable is for connecting SCSI equipment to your PowerBook.

mCheck that all cable connections are secure.

mThe PowerBook’s battery may be drained. Plug in the power adapter and let the battery charge for a few minutes. Then press the Power key on the PowerBook’s keyboard to restart it, and restart the other Macintosh.

mStart up the other Macintosh with the Disk Tools disk that came with it (do not use the disk that came with your PowerBook). If the connection works, then a system software extension on the other Macintosh may be causing the problem.

When you start up using SCSI disk mode, you see a flashing question mark icon.

mMake sure you are using the correct cable for SCSI disk mode. The HDI-30 SCSI Disk Adapter is about 10 inches long, is dark gray, and has 30 pins in the connector (no “missing” pins). Do not use the longer, light gray HDI-30 SCSI System Cable.

mMake sure terminators are placed correctly in the SCSI chain. For more information, see “Connecting SCSI Devices” in Chapter 4.

The Macintosh you are connected to in SCSI disk mode doesn’t see the PowerBook.

mYou cannot use the PowerBook in SCSI disk mode if password protection is turned on. Turn password protection off in the Password Security control panel.

Tips and Troubleshooting 113