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(some systems default to this, especially with IRQs 3 and 4). Consult your computer
or motherboard manual for advice on how to do this.
Finally, with some systems you will reach the dead-end realization that you have no
available IRQ’s — every one of them is assigned to some device in the system. This
most typically occurs with pre-packaged computers made by the big-name O.E.M.
computer companies. These computers have so many features packed into them that
every IRQ is consumed. In this type of situation, some kind of reconfiguring or
reprioritizing your system is in order. Optionally, Windows may allow you to create
a second “hardware configuration” which disables some of the installed devices and
makes their resources available for general use. See your Windows documentation
for information on this subject.
Troubleshooting Tips for Frequently Asked Questions
Problem: No Sound.
Possible Cause 1: The Delta 66 hardware or software device drivers are not
properly installed. See the installation sections of this manual for further
information.
Possible Cause 2: There is a resource conflict between the Delta 66 and
another device in your computer. Check the Delta 66 configuration (Address, IRQ)
against those of the other installed devices. If necessary, change the settings for the
one or more of the devices.
Possible Cause 3: Your application software has not been properly
configured to use the Delta
66 as its audio output device.
Possible Cause 4: Misrouted outputs in the Delta Control Panel. Check the
Delta Control Panel’s Patchbay/Router page to verify output routing assignments.
Also, make sure that if the output is routed from the digital mixer, that the mixer’s
faders, solo and mute controls are set up properly.
Possible Cause 5: Improper connections of the audio accessories. Verify
that the Delta 66 analog audio outputs are properly connected to a digital mix deck
or external mixer/amplifier, or the S/PDIF Out is connected to an external digital
audio device capable of receiving S/PDIF.
Problem: No visual activity on Audio Input volume (VU) meters of user
software.
Possible Cause 1: The Delta 66 input devices are not properly selected in
the user’s application software.
Possible Cause 2: If the software is recording from the Delta 66’s monitor
mixer device, be sure that the mixer’s faders, solo and mute controls are set up
properly
.
Possible Cause 3: Improper connections to audio accessories.
Problem: Repetitious Sound.
Possible Cause: An IRQ resource conflict. Often this will result in a small
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