DSP24 - FAQ answers

On this page are answers to some of the most common questions we receive about the DSP24 PCI-card.

general questions (hardware, drivers & compatibility)

Forward to software and usage related questions



1. What are the minimum system requirements?

The card will work on a 100% PCI 2.1 compilant mainboard with Intel Pentium 133MHz CPU (or higher / compatible) and at least 32 MB of memory. We strongly recommend to use at least an Intel Celeron, Pentium II or AMD Duron CPU and 128 MB of memory to be compatible with currrent audio software. Also note: the software you are using may have even higher system requirements.

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2. Can I use the card with an AMD Athlon / Duron / Thunderbird CPU? Will it work with a VIA Cyrix CPU?

Yes, of course! There are no compatibility issues with microprocessors. Please also check the following question about VIA chipsets, as many mainboards for AMD and VIA CPUs are based on VIA chipsets.

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3. What about VIA chipsets? Can I use my VIA chipset based mainboard with the card?

Yes, you can use VIA based systems with the DSP24 series of cards. Unlike with some other chipsets, the configuration in this case is more 'sensitive' and the system needs to be properly configured to avoid possible trouble:

Please make sure the DSP24 PCI card gets a unique and unshared IRQ. Secondly, a recent version of the VIA 4-in-1 driver (we recommend at least v4.31) and the VIA USB Filter driver must be installed (check http://www.viaarena.com/ or the website of your mainboard manufacturer). If you are using Windows 98SE with USB enabled, Microsoft's UHCD update should be used as well.

Please check if there is an update for the BIOS of your mainboard ... if so, please download and use it.

On mainboards with the KT133 and KT133A chipset (which is probably the most critical VIA chipset), you must use high quality 133MHz memory modules only.
Also check the correspsonding setting in your BIOS (it should be set to 133MHz) and make sure the memory timing is not set to an incorrect (e.g. too low) value.

Set PCI DELAY TRANSACTION in your BIOS to DISABLED. Then, set PCI DEVICE LATENCY TIMER to a value of 32 or lower. PCI MASTER READ CACHING should be set to DISABLED as well (could cause performance problems, but because of the VIA southbridge bug, this setting is required). On faster systems with the KT133A chipset, ENABLED can be better - depending on the other PCI-components in your PC.

Last but not least, we recommend to disable all power managment related functions.

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4. Can I use the card on a Dual-CPU system?

We made very good experience with mainboards based on Intel chipsets. The experiences with VIA based Dual-CPU systems have been mixed (depending very much on the mainboard and the BIOS revision). As a result, we strongly recommend to update your mainboard BIOS to the latest revision when using such a mainboard with the DSP24 hardware in order to avoid possible problems.

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5. Does the card work under Windows 95?

Yes. On some systems with older mainboards we recommend to update to Windows 98 (or better Windows 98SE) and the latest chipset drivers to increase the performance.

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6. Does the card work under Windows 98/98SE/ME?

Yes. All the features of the card are available without limitations under Windows 98/98SE/ME.

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7. Does the card work under Windows NT 4.0?

Yes. The driver is already supplied with the card on the installation CD and can be downloaded from this website. Please note that multiple DSP24 PCI-cards cannot be used under Windows NT 4.0.

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8. Does the card work under Windows 2000 / XP?

The current Windows 2000 / XP drivers work fine and have full support for ASIO 2.0 (actually, ST Audio / Hoontech was one of the first vendors worldwide to provide full ASIO 2.0 support under Windows 2000) and GSIF (for Tascam GigaStudio v2.5 or higher). You can read more about this topic in the Optimizing Windows 2000 / XP article inside the Knowledge Base.

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9. Does the card work under BeOS?

A driver for the card is under development by Oliver Küchemann with support from our side. When it will be finished, it will surly be available for download on various BeOS websites or directly on Oliver's site.

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10. Does the card work under Linux?

Yes - we recommend to use the ALSA driver (which you can download on www.alsa-project.org) to use the card under Linux with the ALSA CVS versions for the ICE1712 (Envy24) chipset.

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11. Does the card support ASIO 1.0 / ASIO 2.0?

The card comes with ASIO 2.0 drivers (which automatically includes ASIO 1.0 support) for Windows 9x/98/Me. The ASIO 2.0 driver for Windows 2000 / XP is available on our download page.

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12. Does the card work with Steinberg Cubase VST 3.7x, Cubase VST 5.x or Cubase SL/SX?

Yes. Via the ASIO 2.0 driver, the latency values will be very low. You can find setup instructions for Cubase VST inside the manual of the card. Here are setup instructions for Cubase SL/SX (Knowledge Base).

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13. Does the card work with Emagic Logic Audio 4.x or 5.x (Silver/Gold/Platinum)?

Yes. Via the ASIO 2.0 driver, the latency values will be very low. You can find setup instruction inside the manual of the card. We recommend to use at least version 4.5 of Logic Audio. You can download free upgrades from Emagic if you use an older 4.x version.

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14. Does the card work with Steinberg Nuendo?

Yes. Via the ASIO 2.0 driver, the latency values will be very low.

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15. Does the card support GSIF? Does it work with Tascam GigaSampler/-Studio?

Yes, all current Windows 9x/Me drivers (since version 5.0) are GSIF-compatible. If you use the 6.x drivers or higher, we strongly recommend to use at least GigaSampler v1.64 or GigaStudio v2.2 (otherwise the latency could be higher). You can find setup instructions for GigaSampler v1.6x inside the manual of the card. If you use Windows 2000/XP, you need at least v2.5 of GigaStudio. GigaSampler is not available for Windows 2000/XP.

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16. Is it possible to use GigaSampler-/Studio and an Audio-/MIDI-sequencer (e.g. Logic or Cubase) at the same time?

Yes, this function is implemented in our 'multiclient' drivers since version 6.0 (check our download page). You can individually assign each stereo output channel pair to either ASIO, GSIF or MME using the Device Mixing options of the Hardware Settings dialog (check this article in the Knowledge Base for reference). We strongly recommend to use at least GigaSampler v1.64 or GigaStudio v2.2 under Windows 9x/Me. You need at least GigaStudio v2.5 under Windows 2000/XP.

It is even possible to record the output of GigaSampler-/Studio internally and digitally using the ADSP24 Digital Mixer MME device or channels 11/12 of the ASIO driver.

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17. Does the card work with Syntrillium Cool Edit Pro?

Yes.

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18. Does the card work with Cakewalk Pro Audio 9?

Yes. You can find setup instruction inside the manual of the card.

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19. Does the card work with Magix Samplitude?

Yes.

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20. Does the card work with n-Track Studio?

Yes.

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21. Is it possible to playback/record multiple channels with differing samplerates simultaneously?

The hardware always syncs itself to one samplerate at one time so that only one frequency is usable at that time. On a professional audiocard this guarantees 100% sample synchronisation.

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22. Can I run more than one card in the same system?

Yes, up to 4 DSP24 or DSP24 MK II cards can be installed in one system. Please note that this is only supported under Windows 9x/98/Me/2000/XP, not Windows NT 4.0.

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23. How many external boxes can be connected to one card?

The DSP24 allows you to connect up to 4 external boxes simultaneusly (up to 3 for the DSP24 MK II). The maximum number of audio channels is always 10 inputs and 10 outputs for one PCI card, up to 4 PCI cards can be installed in one system.

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24. Does the card provide S/PDIF? Optical or coaxial?

Yes (both) - the included XG DB I extension provides optical and coaxial S/PDIF I/O as well as AES/EBU I/O.

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25. Does the card provide an AES/EBU interface?

Yes - the included XG DB I extension provides optical and coaxial S/PDIF I/O as well as AES/EBU I/O.

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26. Can I connect an ADAT device to the optical connectors on the card?

No, that's not possible (as the optical TOSlink connectors are used for two channel S/PDIF signals). Via the optional DS2000 box, you can add one ADAT I/O port (8 input & 8 output channels).

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27. Can I connect a TDIF device directly and digitally?

Via the optional DS2000 box, you can add one TDIF I/O port to the card.

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28. Can I connect multiple S/PDIF or AES/EBU devices at the same time to the card for multichannel recording?

The optional DM III unit provides four S/PDIF (or AES/EBU) inputs which are automatically synchronized via professional high-end SRCs. The unit also provides four seaparte S/PDIF (and AES/EBU) outputs.

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29. Is it possible to sync the card to an external clock source?

Yes, this can be done via S/PDIF (optical or coaxial) or AES/EBU by default. When the optional DS2000 is installed, external sync is also possible from ADAT or TDIF devices.

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30. Is it possible to output signals with other samplerates than 48kHz on the digital output?

Yes, of course! The signal will be sent to the digital output at exactly the sample rate you have choosen for playback inside your application.

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31. Is it possible to install this card in a system with onboard-sound or another soundcard?

Usually yes. As long as the other soundchip does not use an Envy24 / ICE1712, there should be no problems. You should make sure that both devices do not share their IRQ. Of course you can use several DSP24 / DSP24 MK II cards in one system (up to four).

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32. Is it possible to record bit-identical signals on the digital input?

Yes! If you sync the card to the incoming S/PDIF or AES/EBU signal, the recorded version will be 1:1 identical to the played signal. The card supports all standard sample- and bit-rates up to 24bit/96kHz.

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33. Is it possible to playback bit-identical signals via the digital output?

Yes! An option allows you to send the signal from your application directly to the digital output (you must connect WaveOut S/PDIF to S/PDIF Out in the External Links patchbay software).

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34. Does the card contain a MIDI synthesizer or wavetable?

The DSP24 is a professional audiocard without an onboard synthesizer. It is of course possible to install a separate consumer soundcard with wavetable support in the same system if needed.

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35. I heard about a XG hardware wavetable that can be used with the card?

This is not correct. The 'XG DB I' pcb that is included with the card provides optical and coaxial S/PDIF I/O as well as AES/EBU I/O. The 'XG' in the name obviously generated some confusion.

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36. How many available IRQs do I need to use the card?

Exactly one. It should be unshared if possible, because the DSP24 is a busmaster device ... otherwise you might get performance problems. Check this article in our Knowledge Base about IRQ assignment.

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37. Are there any known incompatibilities with certain mainboards?

A number of users reported problems with the EPoX 8KTA3/8KTA3+ mainboard (and the identical ENMIC 8TTX+). We recommend not to use one of these mainboards.

Earlier problems with the VIA KT133, KT133A and KX133 based mainboards from MSI are solved in the meantime: just install the latest VIA 4-in-1 drivers.

We can confirm some performance issues with mainboards based on the ALi MAGIK 1 chipset. The problems with this chipset are solved however when you use the latest chipset driver patches that are provided by your mainboard vendor. You also must update the drivers of your audiocard to the latest revison if not done so if you use a mainboard with this chipset. Note that we do not recommend to use ALi MAGIK 1 based mainboards when you intend to use several DSP24 PCI cards in one system.

Please check our Knowledge Base article about incompatible hardware to get more information about this FAQ entry.

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38. Does the card work with Cakewalk SONAR? Do you offer a WDM driver?

Yes. We recommend to use the WDM driver for SONAR. WDM drivers can be installed under Windows 98 SE, Windows ME, Windows 2000 and Windows XP. SONAR will work on all these operating systems with our WDM drivers but we strongly recommend Windows 2000 / XP because of the better performance. Here are setup instructions for SONAR.

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39. Does the card work with Ableton Live?

Yes. You can use Ableton Live under all Windows versions with our ASIO 2.0 driver. Here are setup instructions for Live.

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Do you have any other questions? Feel free to use our Q&A discussion forum to contact us.

 

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