Installation guide

Controller Start-up
Manual No. 775020 3-7
In Case of Problems
If problems are encountered during start-up, check the following:
Check SCSI cabling for loose connections, pin mismatches (make sure
pin 1 on the cable matches pin 1 on the connector), bent pins, and
damaged or crossed cables.
Check cable length. This includes internal bus lengths in enclosures.
Check termination.
Check SCSI IDs on all drives.
Remove the system cover, power ON the system and observe the LEDs
(see Figure 3-1).
Be sure the U1 light goes out after system is booted.
Be sure the SE or LVD is lighted appropriately, see the table excerpt
following Figure 3-1 on the next page.