HP 340 Series Service Manual page 89

• Cable test.
This test displays these messages in the order listed and the indicated actions are required:
Attach SINGLE-ENDED test connector,
meaning connect the single-ended part of the SCSI
test connector (5061-6565) to the cable disconnected from the peripheral.
X cancels, RETURN continues testing,
the same as before.
This test requires the use of a special test connector and should be skipped if one is not
available. The purpose of this test is to check the cable for shorted or broken wires. If the
loopback test failed, this test may also fail due to failed circuitry on the interface board
rather than due to a bad cable. At the end of this test, it is very important that the test
connector be renloved. Failure to do so will cause the Boot ROM to hang while trying to
use the interface connected to this cable.
• Reconfiguring the System.
These Inessages are displayed after the SCSI tests are completed and the indicated actions
are required:
Remove test connector,
here's when you remove the SCSI test connector from the cable.
This message is only given if the cable test has been run.
Note: The test connector must be removed before continuing. If the test connector is left
on and operations are continued, the SPU will stop.
Connect cable to device,
meaning connect the SCSI interface cable to the SCSI periph-
eral it was earlier removed from.
Restore power to devices,
this is when you turn on all SCSI peripherals.
RETURN continues operations,
and pressing
I
Return
I
continues with the next part of the
self-test and booting operations.
Boot ROM Functions
77