GE Vivid 3N Pro Series Service Manual page 345

GE M S
EDICAL YSTEMS
D FK091075, R
IRECTION
7-5-4-3-2 Hard Drive Tests
When PC Diagnostics is selected in the left pane of the Diagnostics page, the following hard drive
diagnostic tests can be performed:
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7-5-4-3-3 Memory Tests
When PC Diagnostics is selected in the left pane of the Diagnostics page, the following memory
diagnostic tests can be performed:
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7-5-4-3-4 DVD/CD-ROM Drive Tests
When PC Diagnostics is selected in the left pane of the Diagnostics page, the following DVD/
CD-ROM diagnostic tests can be performed. Seek tests ensure that the drive can access all
locations on a disk, while Read tests ensure that the drive can read all the data.
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04
EVISION
Hard Drive Test (All): Performs a battery of tests to examine the hard drive and ensure that it
can perform all its functions. All the remaining tests are performed on the hard drive to ensure
that the hard disk controller and the drive mechanism are working correctly. The disk surface
itself is also checked. This test may take over ten minutes.
Hard Drive Linear Seek: Moves the hard disk drive heads from track 0 to the maximum track
one track at a time.
Hard Drive Funnel Seek: Moves the hard disk drive heads in a funnel fashion (from the first
track to the last, then to the second track, the second last track, the third track and so on).
Hard Drive Surface Scan: Scans the surface for defects on the hard disk drive.
Memory Test (All): Uses 18 test patterns to test memory locations. If errors are detected, the
address of the block in which the error was detected is shown. During testing, these diagnostics
will also look for parity errors and other exceptions. If encountered, these are added to the test
log as errors.
Memory Pattern Test: Uses several test patterns to test as much memory as possible.
Memory Parity Test: Checks for parity errors on the memory bus during intensive string
transfer operation. If an error is detected, the address of the failed block is displayed.
DVD/CD-ROM Test (All): Examines the DVD or CD-ROM drive to ensure that it is working
properly. You can use either a data CD-ROM disk or a DVD disk for these tests, You cannot
use an audio CD for this test.
DVD/CD-ROM Linear Seek: Tests that all the locations on a DVD or CD-ROM disk can be
accessed in a linear fashion, from the first to the last.
DVD/CD-ROM Random Seek: Tests that all the locations on a DVD or CD-ROM disk can be
accessed randomly.
DVD/CD-ROM Funnel Seek: Tests that all the locations on a DVD or CD-ROM disk can be
accessed in a funnel fashion, from the first to the last, then from the second to the second last,
and so on.
DVD/CD-ROM Linear Read: Reads the data on the DVD or CD-ROM disk in a linear fashion,
from the beginning to the end.
DVD/CD-ROM Random Read: Reads the data on the DVD or CD-ROM disk randomly.
Chapter 7 Diagnostics/Troubleshooting
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