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Turn Power On to Peripherals, Then to the Computer
Before turning power on, follow these steps:
1. Verify that a11 cables are connected and securely fastened.
2. Turn power on to your peripheral devices before your computer.
Refer to your peripheral and computer installation manuals for information on
turning power on. In general, plug your power cords first into the load (your
peripheral or computer), then into the power source (such as the electrical wall
outlet). Then turn on your computer power switches as appropriate.
When the computer’s power is switched on, power is supplied to the SCSI/parallel adapter
through the HP-PB backplane. For operation of the light emitting diodes (LEDs) on the
card, refer to chapter 3, Service btfonnation.
CAUTION
After power is switched on, termination power (“TERMPWR”) is
supplied to the SCSI bus. Do not switch power on or off any device
connected to an active SCSI bus. Similarly, devices should not be added
to, or removed from, an active SCSI bus. Failure to comply may result in
data corruption or loss, or damage to hardware.
1-26 Installing the Adapter