SECTION 5 :
Maintenance and Troubleshooting
27
SYMPTOMS
CAUSES
SOLUTIONS
Writing error occurs.
Buffer underrun.
Does not record at max speed.
(continued)
Cannot add information to CD-R
or CD-RW disc.
Cannot write at max speed.
Cannot write onto CD-RW speeds
greater than 4x.
7. Defective CD-R or CD-RW media.
CD-R or CD-RW media may be
dirty, scratched, or damaged.
8. Buffer underrun option is not
enabled in your software.
1. The CD-R or CD-RW disc was
originally written using other
software. If the software is
different, incompatibility errors
may occur.
2. Not enough disc capacity.
Capacity of a standard 74-min.
CD is limited to 650 MB.
Capacity of an 80-min. CD
is limited to 700 MB.
3. The disc is written on with a
CD-R or CD-RW drive from
another vendor.
1. Using poor quality media.
2. Buffer underrun occurring.
3. Using CD-RW media. This drive
does not support max speed with
CD-RW media.
4. Defective CD-R media.
5. Using authoring software
other than that bundled with
the veloCD.
6. CD-ROM drive used cannot read
data fast enough to record at
max speed.
1. Not using high-speed
CD-RW media.
7. ReWrite using another CD-R or
CD-RW disc.
8. Ensure that the buffer underrun
option is enabled in the recording
menu before you write to your media.
1. Always use the same authoring
software to add content to a disc.
2. Use different CD-R or CD-RW
media if the capacity is insufficient.
3. Use a different CD-R or
CD-RW disc. Try to use same drive
to add more data to CD-R or
CD-RW disc.
1. Use the CD-R/RW media
recommended by TDK. Supported
media lists can be found in
the Appendix.
2. Reduce the load on CPU resources.
Some ways to do this are:
•
Log off from the network.
•
Don’t use the mouse.
•
Disable the screen saver or
power save mode.
•
Quit all other applications except
the authoring software.
3. Use CD-R media.
4. CD-R media may be dirty,
scratched, or damaged. Rewrite
using another CD-R disc.
5. To use other types of authoring
software, contact the supplier and
ensure the software support the
veloCD CD-RW drive.
6. Record to hard drive first, then
to veloCD.
1. The veloCD drive only supports
high-speed CD-RW media when
writing at speeds greater than 4x.
26
veloCD ReWRITER :
User’s Manual
SYMPTOMS
CAUSES
SOLUTIONS
CD-R or CD-RW software cannot
detect veloCD.
(continued)
Writing error occurs.
Buffer underrun.
Does not record at max speed.
5. Wrong cable with jumper set to
Cable Select.
1. DMA is not enabled on your
computer.
2. Network is being used.
Mouse was moved or Windows
screensaver activated while
writing.
Other applications are running.
Power save mode is active.
3. Shortage of PC memory. If there
is insufficient main memory in
the PC, data may be swapped to
the hard drive, and this can
cause a buffer underrun.
4. veloCD and other IDE CD-ROM
drive are connected on the
same cable.
5. veloCD and hard drive are
connected on the same cable.
6. Automatic thermal recalibration
triggered. Some high-speed hard
drives are equipped with an
automatic thermal
recalibration function.
5. Make sure that a CSEL
compatible IDE cable is used if
you want to use the veloCD with
jumper set to Cable Select.
1. In Windows 98/ME, click on
Start button, then select Settings/
Control Panel, then double-click
on System icon, then click on
Device Manager tab, then double-
click on CD-ROM icon. Select
veloCD and click on Properties.
Then click on the Settings tab and
enable DMA. Reboot your system.
Make sure DMA is enabled on
your motherboard.
2. If problems occur when writing,
reduce the load on CPU resources.
Some ways to do this are:
•
Log off from the network.
•
Don’t use the mouse.
•
Disable the screensaver or
power save mode.
•
Exit all other applications.
3. Increase the PC’s main
memory capacity.
4. When writing from another
IDE device to the veloCD on the
same bus using on-the-fly
writing, the IDE bus is very busy
and it may cause writing errors.
This depends on your system
speed and configuration. Use the
image writing method for best
results (safe mode) or record at
lower speed.
Put the IDE CD-ROM drive on
the primary bus and veloCD as
the only device on the secondary
bus (Master).
5. Remove the veloCD from the cable
and re-connect it to a secondary
IDE port.
6. Use another hard drive in
this case.
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